Merge branch 'master' into feat/shasum

Signed-off-by: Thilak Somasundaram <t2same@gmail.com>

Makefile

@@ -1,15 +1,16 @@
 BINDIR      := $(CURDIR)/bin
 DIST_DIRS   := find * -type d -exec
-TARGETS     := darwin/amd64 linux/amd64 linux/386 linux/arm linux/arm64 linux/ppc64le windows/amd64
-TARGET_OBJS ?= darwin-amd64.tar.gz darwin-amd64.tar.gz.sha256 linux-amd64.tar.gz linux-amd64.tar.gz.sha256 linux-386.tar.gz linux-386.tar.gz.sha256 linux-arm.tar.gz linux-arm.tar.gz.sha256 linux-arm64.tar.gz linux-arm64.tar.gz.sha256 linux-ppc64le.tar.gz linux-ppc64le.tar.gz.sha256 windows-amd64.zip windows-amd64.zip.sha256
+TARGETS     := darwin/amd64 linux/amd64 linux/386 linux/arm linux/arm64 linux/ppc64le linux/s390x windows/amd64
+TARGET_OBJS ?= darwin-amd64.tar.gz darwin-amd64.tar.gz.sha256 linux-amd64.tar.gz linux-amd64.tar.gz.sha256 linux-386.tar.gz linux-386.tar.gz.sha256 linux-arm.tar.gz linux-arm.tar.gz.sha256 linux-arm64.tar.gz linux-arm64.tar.gz.sha256 linux-ppc64le.tar.gz linux-ppc64le.tar.gz.sha256 linux-s390x.tar.gz linux-s390x.tar.gz.sha256 windows-amd64.zip windows-amd64.zip.sha256
 BINNAME     ?= helm
 
 GOPATH        = $(shell go env GOPATH)
 DEP           = $(GOPATH)/bin/dep
 GOX           = $(GOPATH)/bin/gox
 GOIMPORTS     = $(GOPATH)/bin/goimports
+ARCH          = $(shell uname -p)
 
-ACCEPTANCE_DIR:=$(GOPATH)/src/helm.sh/acceptance-testing
+ACCEPTANCE_DIR:=../acceptance-testing
 # To specify the subset of acceptance tests to run. '.' means all tests
 ACCEPTANCE_RUN_TESTS=.
 
@@ -40,10 +41,13 @@ ifneq ($(BINARY_VERSION),)
 	LDFLAGS += -X helm.sh/helm/v3/internal/version.version=${BINARY_VERSION}
 endif
 
+VERSION_METADATA = unreleased
 # Clear the "unreleased" string in BuildMetadata
 ifneq ($(GIT_TAG),)
-	LDFLAGS += -X helm.sh/helm/v3/internal/version.metadata=
+	VERSION_METADATA =
 endif
+
+LDFLAGS += -X helm.sh/helm/v3/internal/version.metadata=${VERSION_METADATA}
 LDFLAGS += -X helm.sh/helm/v3/internal/version.gitCommit=${GIT_COMMIT}
 LDFLAGS += -X helm.sh/helm/v3/internal/version.gitTreeState=${GIT_DIRTY}
 
@@ -64,7 +68,11 @@ $(BINDIR)/$(BINNAME): $(SRC)
 
 .PHONY: test
 test: build
+ifeq ($(ARCH),s390x)
+test: TESTFLAGS += -v
+else
 test: TESTFLAGS += -race -v
+endif
 test: test-style
 test: test-unit
 

README.md

@@ -9,7 +9,7 @@ Helm is a tool for managing Charts. Charts are packages of pre-configured Kubern
 
 Use Helm to:
 
-- Find and use [popular software packaged as Helm Charts](https://github.com/helm/charts) to run in Kubernetes
+- Find and use [popular software packaged as Helm Charts](https://hub.helm.sh) to run in Kubernetes
 - Share your own applications as Helm Charts
 - Create reproducible builds of your Kubernetes applications
 - Intelligently manage your Kubernetes manifest files

SECURITY.md

@@ -0,0 +1,3 @@
+# Helm Security Reporting and Policy
+
+The Helm project has [a common process and policy that can be found here](https://github.com/helm/community/blob/master/SECURITY.md).

cmd/helm/completion.go

@@ -139,7 +139,10 @@ __helm_compgen() {
 	fi
 	for w in "${completions[@]}"; do
 		if [[ "${w}" = "$1"* ]]; then
-			echo "${w}"
+			# Use printf instead of echo beause it is possible that
+			# the value to print is -n, which would be interpreted
+			# as a flag to echo
+			printf "%s\n" "${w}"
 		fi
 	done
 }

cmd/helm/flags.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
 
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/cli/output"
 	"helm.sh/helm/v3/pkg/cli/values"
@@ -31,7 +32,7 @@ import (
 const outputFlag = "output"
 
 func addValueOptionsFlags(f *pflag.FlagSet, v *values.Options) {
-	f.StringSliceVarP(&v.ValueFiles, "values", "f", []string{}, "specify values in a YAML file or a URL(can specify multiple)")
+	f.StringSliceVarP(&v.ValueFiles, "values", "f", []string{}, "specify values in a YAML file or a URL (can specify multiple)")
 	f.StringArrayVar(&v.Values, "set", []string{}, "set values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2)")
 	f.StringArrayVar(&v.StringValues, "set-string", []string{}, "set STRING values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2)")
 	f.StringArrayVar(&v.FileValues, "set-file", []string{}, "set values from respective files specified via the command line (can specify multiple or separate values with commas: key1=path1,key2=path2)")
@@ -52,10 +53,19 @@ func addChartPathOptionsFlags(f *pflag.FlagSet, c *action.ChartPathOptions) {
 // bindOutputFlag will add the output flag to the given command and bind the
 // value to the given format pointer
 func bindOutputFlag(cmd *cobra.Command, varRef *output.Format) {
-	cmd.Flags().VarP(newOutputValue(output.Table, varRef), outputFlag, "o",
+	f := cmd.Flags()
+	flag := f.VarPF(newOutputValue(output.Table, varRef), outputFlag, "o",
 		fmt.Sprintf("prints the output in the specified format. Allowed values: %s", strings.Join(output.Formats(), ", ")))
-	// Setup shell completion for the flag
-	cmd.MarkFlagCustom(outputFlag, "__helm_output_options")
+
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		var formatNames []string
+		for _, format := range output.Formats() {
+			if strings.HasPrefix(format, toComplete) {
+				formatNames = append(formatNames, format)
+			}
+		}
+		return formatNames, completion.BashCompDirectiveDefault
+	})
 }
 
 type outputValue output.Format

cmd/helm/flags_test.go

@@ -0,0 +1,88 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"fmt"
+	"testing"
+
+	"helm.sh/helm/v3/pkg/chart"
+	"helm.sh/helm/v3/pkg/release"
+	helmtime "helm.sh/helm/v3/pkg/time"
+)
+
+func outputFlagCompletionTest(t *testing.T, cmdName string) {
+	releasesMockWithStatus := func(info *release.Info, hooks ...*release.Hook) []*release.Release {
+		info.LastDeployed = helmtime.Unix(1452902400, 0).UTC()
+		return []*release.Release{{
+			Name:      "athos",
+			Namespace: "default",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}, {
+			Name:      "porthos",
+			Namespace: "default",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}, {
+			Name:      "aramis",
+			Namespace: "default",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}, {
+			Name:      "dartagnan",
+			Namespace: "gascony",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}}
+	}
+
+	tests := []cmdTestCase{{
+		name:   "completion for output flag long and before arg",
+		cmd:    fmt.Sprintf("__complete %s --output ''", cmdName),
+		golden: "output/output-comp.txt",
+		rels: releasesMockWithStatus(&release.Info{
+			Status: release.StatusDeployed,
+		}),
+	}, {
+		name:   "completion for output flag long and after arg",
+		cmd:    fmt.Sprintf("__complete %s aramis --output ''", cmdName),
+		golden: "output/output-comp.txt",
+		rels: releasesMockWithStatus(&release.Info{
+			Status: release.StatusDeployed,
+		}),
+	}, {
+		name:   "completion for output flag short and before arg",
+		cmd:    fmt.Sprintf("__complete %s -o ''", cmdName),
+		golden: "output/output-comp.txt",
+		rels: releasesMockWithStatus(&release.Info{
+			Status: release.StatusDeployed,
+		}),
+	}, {
+		name:   "completion for output flag short and after arg",
+		cmd:    fmt.Sprintf("__complete %s aramis -o ''", cmdName),
+		golden: "output/output-comp.txt",
+		rels: releasesMockWithStatus(&release.Info{
+			Status: release.StatusDeployed,
+		}),
+	}}
+	runTestCmd(t, tests)
+}

cmd/helm/get_all.go

@@ -22,6 +22,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/cli/output"
 )
@@ -56,8 +57,24 @@ func newGetAllCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.Flags()
 	f.IntVar(&client.Version, "revision", 0, "get the named release with revision")
+	flag := f.Lookup("revision")
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) == 1 {
+			return compListRevisions(cfg, args[0])
+		}
+		return nil, completion.BashCompDirectiveNoFileComp
+	})
+
 	f.StringVar(&template, "template", "", "go template for formatting the output, eg: {{.Release.Name}}")
 
 	return cmd

cmd/helm/get_all_test.go

@@ -41,3 +41,7 @@ func TestGetCmd(t *testing.T) {
 	}}
 	runTestCmd(t, tests)
 }
+
+func TestGetAllRevisionCompletion(t *testing.T) {
+	revisionFlagCompletionTest(t, "get all")
+}

cmd/helm/get_hooks.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 )
 
@@ -52,7 +53,23 @@ func newGetHooksCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
-	cmd.Flags().IntVar(&client.Version, "revision", 0, "get the named release with revision")
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
+	f := cmd.Flags()
+	f.IntVar(&client.Version, "revision", 0, "get the named release with revision")
+	flag := f.Lookup("revision")
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) == 1 {
+			return compListRevisions(cfg, args[0])
+		}
+		return nil, completion.BashCompDirectiveNoFileComp
+	})
 
 	return cmd
 }

cmd/helm/get_hooks_test.go

@@ -36,3 +36,7 @@ func TestGetHooks(t *testing.T) {
 	}}
 	runTestCmd(t, tests)
 }
+
+func TestGetHooksRevisionCompletion(t *testing.T) {
+	revisionFlagCompletionTest(t, "get hooks")
+}

cmd/helm/get_manifest.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 )
 
@@ -52,7 +53,23 @@ func newGetManifestCmd(cfg *action.Configuration, out io.Writer) *cobra.Command
 		},
 	}
 
-	cmd.Flags().IntVar(&client.Version, "revision", 0, "get the named release with revision")
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
+	f := cmd.Flags()
+	f.IntVar(&client.Version, "revision", 0, "get the named release with revision")
+	flag := f.Lookup("revision")
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) == 1 {
+			return compListRevisions(cfg, args[0])
+		}
+		return nil, completion.BashCompDirectiveNoFileComp
+	})
 
 	return cmd
 }

cmd/helm/get_manifest_test.go

@@ -36,3 +36,7 @@ func TestGetManifest(t *testing.T) {
 	}}
 	runTestCmd(t, tests)
 }
+
+func TestGetManifestRevisionCompletion(t *testing.T) {
+	revisionFlagCompletionTest(t, "get manifest")
+}

cmd/helm/get_notes.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 )
 
@@ -50,8 +51,23 @@ func newGetNotesCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.Flags()
 	f.IntVar(&client.Version, "revision", 0, "get the named release with revision")
+	flag := f.Lookup("revision")
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) == 1 {
+			return compListRevisions(cfg, args[0])
+		}
+		return nil, completion.BashCompDirectiveNoFileComp
+	})
 
 	return cmd
 }

cmd/helm/get_notes_test.go

@@ -36,3 +36,7 @@ func TestGetNotesCmd(t *testing.T) {
 	}}
 	runTestCmd(t, tests)
 }
+
+func TestGetNotesRevisionCompletion(t *testing.T) {
+	revisionFlagCompletionTest(t, "get notes")
+}

cmd/helm/get_values.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/cli/output"
 )
@@ -54,8 +55,23 @@ func newGetValuesCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.Flags()
 	f.IntVar(&client.Version, "revision", 0, "get the named release with revision")
+	flag := f.Lookup("revision")
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) == 1 {
+			return compListRevisions(cfg, args[0])
+		}
+		return nil, completion.BashCompDirectiveNoFileComp
+	})
 	f.BoolVarP(&client.AllValues, "all", "a", false, "dump all (computed) values")
 	bindOutputFlag(cmd, &outfmt)
 

cmd/helm/get_values_test.go

@@ -52,3 +52,11 @@ func TestGetValuesCmd(t *testing.T) {
 	}}
 	runTestCmd(t, tests)
 }
+
+func TestGetValuesRevisionCompletion(t *testing.T) {
+	revisionFlagCompletionTest(t, "get values")
+}
+
+func TestGetValuesOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "get values")
+}

cmd/helm/helm.go

@@ -68,8 +68,7 @@ func main() {
 	cmd := newRootCmd(actionConfig, os.Stdout, os.Args[1:])
 
 	if err := actionConfig.Init(settings.RESTClientGetter(), settings.Namespace(), os.Getenv("HELM_DRIVER"), debug); err != nil {
-		debug("%+v", err)
-		os.Exit(1)
+		log.Fatal(err)
 	}
 
 	if err := cmd.Execute(); err != nil {

cmd/helm/helm_test.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"bytes"
+	"fmt"
 	"io/ioutil"
 	"os"
 	"os/exec"
@@ -31,6 +32,7 @@ import (
 	"helm.sh/helm/v3/internal/test"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/chartutil"
+	"helm.sh/helm/v3/pkg/cli"
 	kubefake "helm.sh/helm/v3/pkg/kube/fake"
 	"helm.sh/helm/v3/pkg/release"
 	"helm.sh/helm/v3/pkg/storage"
@@ -47,24 +49,26 @@ func init() {
 func runTestCmd(t *testing.T, tests []cmdTestCase) {
 	t.Helper()
 	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			defer resetEnv()()
-
-			storage := storageFixture()
-			for _, rel := range tt.rels {
-				if err := storage.Create(rel); err != nil {
-					t.Fatal(err)
+		for i := 0; i <= tt.repeat; i++ {
+			t.Run(tt.name, func(t *testing.T) {
+				defer resetEnv()()
+
+				storage := storageFixture()
+				for _, rel := range tt.rels {
+					if err := storage.Create(rel); err != nil {
+						t.Fatal(err)
+					}
 				}
-			}
-			t.Log("running cmd: ", tt.cmd)
-			_, out, err := executeActionCommandC(storage, tt.cmd)
-			if (err != nil) != tt.wantError {
-				t.Errorf("expected error, got '%v'", err)
-			}
-			if tt.golden != "" {
-				test.AssertGoldenString(t, out, tt.golden)
-			}
-		})
+				t.Logf("running cmd (attempt %d): %s", i+1, tt.cmd)
+				_, out, err := executeActionCommandC(storage, tt.cmd)
+				if (err != nil) != tt.wantError {
+					t.Errorf("expected error, got '%v'", err)
+				}
+				if tt.golden != "" {
+					test.AssertGoldenString(t, out, tt.golden)
+				}
+			})
+		}
 	}
 }
 
@@ -93,11 +97,39 @@ func storageFixture() *storage.Storage {
 	return storage.Init(driver.NewMemory())
 }
 
+// go-shellwords does not handle empty arguments properly
+// https://github.com/mattn/go-shellwords/issues/5#issuecomment-573431458
+//
+// This method checks if the last argument was an empty one,
+// and if go-shellwords missed it, we add it ourselves.
+//
+// This is important for completion tests as completion often
+// uses an empty last parameter.
+func checkLastEmpty(in string, out []string) []string {
+	lastIndex := len(in) - 1
+
+	if lastIndex >= 1 && (in[lastIndex] == '"' && in[lastIndex-1] == '"' ||
+		in[lastIndex] == '\'' && in[lastIndex-1] == '\'') {
+		// The last parameter of 'in' was empty ("" or ''), let's make sure it was detected.
+		if len(out) > 0 && out[len(out)-1] != "" {
+			// Bug from go-shellwords:
+			// 'out' does not have the empty parameter.  We add it ourselves as a workaround.
+			out = append(out, "")
+		} else {
+			fmt.Println("WARNING: go-shellwords seems to have been fixed.  This workaround can be removed.")
+		}
+	}
+	return out
+}
+
 func executeActionCommandC(store *storage.Storage, cmd string) (*cobra.Command, string, error) {
 	args, err := shellwords.Parse(cmd)
 	if err != nil {
 		return nil, "", err
 	}
+	// Workaround the bug in shellwords
+	args = checkLastEmpty(cmd, args)
+
 	buf := new(bytes.Buffer)
 
 	actionConfig := &action.Configuration{
@@ -124,6 +156,9 @@ type cmdTestCase struct {
 	wantError bool
 	// Rels are the available releases at the start of the test.
 	rels []*release.Release
+	// Number of repeats (in case a feature was previously flaky and the test checks
+	// it's now stably producing identical results). 0 means test is run exactly once.
+	repeat int
 }
 
 func executeActionCommand(cmd string) (*cobra.Command, string, error) {
@@ -131,14 +166,14 @@ func executeActionCommand(cmd string) (*cobra.Command, string, error) {
 }
 
 func resetEnv() func() {
-	origSettings, origEnv := settings, os.Environ()
+	origEnv := os.Environ()
 	return func() {
 		os.Clearenv()
-		settings = origSettings
 		for _, pair := range origEnv {
 			kv := strings.SplitN(pair, "=", 2)
 			os.Setenv(kv[0], kv[1])
 		}
+		settings = cli.New()
 	}
 }
 

cmd/helm/history.go

@@ -19,12 +19,14 @@ package main
 import (
 	"fmt"
 	"io"
+	"strconv"
 	"time"
 
 	"github.com/gosuri/uitable"
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/chart"
 	"helm.sh/helm/v3/pkg/cli/output"
@@ -69,6 +71,14 @@ func newHistoryCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.Flags()
 	f.IntVar(&client.Max, "max", 256, "maximum number of revision to include in history")
 	bindOutputFlag(cmd, &outfmt)
@@ -176,3 +186,16 @@ func min(x, y int) int {
 	}
 	return y
 }
+
+func compListRevisions(cfg *action.Configuration, releaseName string) ([]string, completion.BashCompDirective) {
+	client := action.NewHistory(cfg)
+
+	var revisions []string
+	if hist, err := client.Run(releaseName); err == nil {
+		for _, release := range hist {
+			revisions = append(revisions, strconv.Itoa(release.Version))
+		}
+		return revisions, completion.BashCompDirectiveDefault
+	}
+	return nil, completion.BashCompDirectiveError
+}

cmd/helm/history_test.go

@@ -17,6 +17,7 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"testing"
 
 	"helm.sh/helm/v3/pkg/release"
@@ -68,3 +69,42 @@ func TestHistoryCmd(t *testing.T) {
 	}}
 	runTestCmd(t, tests)
 }
+
+func TestHistoryOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "history")
+}
+
+func revisionFlagCompletionTest(t *testing.T, cmdName string) {
+	mk := func(name string, vers int, status release.Status) *release.Release {
+		return release.Mock(&release.MockReleaseOptions{
+			Name:    name,
+			Version: vers,
+			Status:  status,
+		})
+	}
+
+	releases := []*release.Release{
+		mk("musketeers", 11, release.StatusDeployed),
+		mk("musketeers", 10, release.StatusSuperseded),
+		mk("musketeers", 9, release.StatusSuperseded),
+		mk("musketeers", 8, release.StatusSuperseded),
+	}
+
+	tests := []cmdTestCase{{
+		name:   "completion for revision flag",
+		cmd:    fmt.Sprintf("__complete %s musketeers --revision ''", cmdName),
+		rels:   releases,
+		golden: "output/revision-comp.txt",
+	}, {
+		name:   "completion for revision flag with too few args",
+		cmd:    fmt.Sprintf("__complete %s --revision ''", cmdName),
+		rels:   releases,
+		golden: "output/revision-wrong-args-comp.txt",
+	}, {
+		name:   "completion for revision flag with too many args",
+		cmd:    fmt.Sprintf("__complete %s three musketeers --revision ''", cmdName),
+		rels:   releases,
+		golden: "output/revision-wrong-args-comp.txt",
+	}}
+	runTestCmd(t, tests)
+}

cmd/helm/install.go

@@ -26,6 +26,7 @@ import (
 	"github.com/spf13/pflag"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/chart"
 	"helm.sh/helm/v3/pkg/chart/loader"
@@ -122,6 +123,11 @@ func newInstallCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		return compInstall(args, toComplete, client)
+	})
+
 	addInstallFlags(cmd.Flags(), client, valueOpts)
 	bindOutputFlag(cmd, &outfmt)
 
@@ -139,6 +145,7 @@ func addInstallFlags(f *pflag.FlagSet, client *action.Install, valueOpts *values
 	f.StringVar(&client.Description, "description", "", "add a custom description")
 	f.BoolVar(&client.Devel, "devel", false, "use development versions, too. Equivalent to version '>0.0.0-0'. If --version is set, this is ignored")
 	f.BoolVar(&client.DependencyUpdate, "dependency-update", false, "run helm dependency update before installing the chart")
+	f.BoolVar(&client.DisableOpenAPIValidation, "disable-openapi-validation", false, "if set, the installation process will not validate rendered templates against the Kubernetes OpenAPI Schema")
 	f.BoolVar(&client.Atomic, "atomic", false, "if set, installation process purges chart on fail. The --wait flag will be set automatically if --atomic is used")
 	f.BoolVar(&client.SkipCRDs, "skip-crds", false, "if set, no CRDs will be installed. By default, CRDs are installed if not already present")
 	f.BoolVar(&client.SubNotes, "render-subchart-notes", false, "if set, render subchart notes along with the parent")
@@ -225,3 +232,15 @@ func isChartInstallable(ch *chart.Chart) (bool, error) {
 	}
 	return false, errors.Errorf("%s charts are not installable", ch.Metadata.Type)
 }
+
+// Provide dynamic auto-completion for the install and template commands
+func compInstall(args []string, toComplete string, client *action.Install) ([]string, completion.BashCompDirective) {
+	requiredArgs := 1
+	if client.GenerateName {
+		requiredArgs = 0
+	}
+	if len(args) == requiredArgs {
+		return compListCharts(toComplete, true)
+	}
+	return nil, completion.BashCompDirectiveNoFileComp
+}

cmd/helm/install_test.go

@@ -193,3 +193,7 @@ func TestInstall(t *testing.T) {
 
 	runTestActionCmd(t, tests)
 }
+
+func TestInstallOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "install")
+}

cmd/helm/list.go

@@ -26,13 +26,14 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/cli/output"
 	"helm.sh/helm/v3/pkg/release"
 )
 
 var listHelp = `
-This command lists all of the releases.
+This command lists all of the releases for a specified namespace (uses current namespace context if namespace not specified).
 
 By default, it lists only releases that are deployed or failed. Flags like
 '--uninstalled' and '--all' will alter this behavior. Such flags can be combined:
@@ -96,7 +97,7 @@ func newListCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 	f.BoolVarP(&client.Short, "short", "q", false, "output short (quiet) listing format")
 	f.BoolVarP(&client.ByDate, "date", "d", false, "sort by release date")
 	f.BoolVarP(&client.SortReverse, "reverse", "r", false, "reverse the sort order")
-	f.BoolVarP(&client.All, "all", "a", false, "show all releases, not just the ones marked deployed or failed")
+	f.BoolVarP(&client.All, "all", "a", false, "show all releases without any filter applied")
 	f.BoolVar(&client.Uninstalled, "uninstalled", false, "show uninstalled releases (if 'helm uninstall --keep-history' was used)")
 	f.BoolVar(&client.Superseded, "superseded", false, "show superseded releases")
 	f.BoolVar(&client.Uninstalling, "uninstalling", false, "show releases that are currently being uninstalled")
@@ -164,3 +165,26 @@ func (r *releaseListWriter) WriteJSON(out io.Writer) error {
 func (r *releaseListWriter) WriteYAML(out io.Writer) error {
 	return output.EncodeYAML(out, r.releases)
 }
+
+// Provide dynamic auto-completion for release names
+func compListReleases(toComplete string, cfg *action.Configuration) ([]string, completion.BashCompDirective) {
+	completion.CompDebugln(fmt.Sprintf("compListReleases with toComplete %s", toComplete))
+
+	client := action.NewList(cfg)
+	client.All = true
+	client.Limit = 0
+	client.Filter = fmt.Sprintf("^%s", toComplete)
+
+	client.SetStateMask()
+	results, err := client.Run()
+	if err != nil {
+		return nil, completion.BashCompDirectiveDefault
+	}
+
+	var choices []string
+	for _, res := range results {
+		choices = append(choices, res.Name)
+	}
+
+	return choices, completion.BashCompDirectiveNoFileComp
+}

cmd/helm/list_test.go

@@ -206,3 +206,7 @@ func TestListCmd(t *testing.T) {
 	}}
 	runTestCmd(t, tests)
 }
+
+func TestListOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "list")
+}

cmd/helm/package.go

@@ -20,6 +20,7 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"os"
 	"path/filepath"
 
 	"github.com/pkg/errors"
@@ -80,6 +81,9 @@ func newPackageCmd(out io.Writer) *cobra.Command {
 				if err != nil {
 					return err
 				}
+				if _, err := os.Stat(args[i]); err != nil {
+					return err
+				}
 
 				if client.DependencyUpdate {
 					downloadManager := &downloader.Manager{
@@ -114,7 +118,6 @@ func newPackageCmd(out io.Writer) *cobra.Command {
 	f.StringVar(&client.AppVersion, "app-version", "", "set the appVersion on the chart to this version")
 	f.StringVarP(&client.Destination, "destination", "d", ".", "location to write the chart.")
 	f.BoolVarP(&client.DependencyUpdate, "dependency-update", "u", false, `update dependencies from "Chart.yaml" to dir "charts/" before packaging`)
-	addValueOptionsFlags(f, valueOpts)
 
 	return cmd
 }

cmd/helm/package_test.go

@@ -17,13 +17,9 @@ package main
 
 import (
 	"bytes"
-	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"regexp"
-	"runtime"
-	"strings"
 	"testing"
 
 	"github.com/spf13/cobra"
@@ -31,15 +27,9 @@ import (
 	"helm.sh/helm/v3/internal/test/ensure"
 	"helm.sh/helm/v3/pkg/chart"
 	"helm.sh/helm/v3/pkg/chart/loader"
-	"helm.sh/helm/v3/pkg/chartutil"
 )
 
 func TestPackage(t *testing.T) {
-	statFileMsg := "no such file or directory"
-	if runtime.GOOS == "windows" {
-		statFileMsg = "The system cannot find the file specified."
-	}
-
 	tests := []struct {
 		name    string
 		flags   map[string]string
@@ -108,13 +98,6 @@ func TestPackage(t *testing.T) {
 			hasfile: "chart-missing-deps-0.1.0.tgz",
 			err:     true,
 		},
-		{
-			name:   "package --values does-not-exist",
-			args:   []string{"testdata/testcharts/alpine"},
-			flags:  map[string]string{"values": "does-not-exist"},
-			expect: fmt.Sprintf("does-not-exist: %s", statFileMsg),
-			err:    true,
-		},
 		{
 			name: "package testdata/testcharts/chart-bad-type",
 			args: []string{"testdata/testcharts/chart-bad-type"},
@@ -213,124 +196,6 @@ func TestSetAppVersion(t *testing.T) {
 	}
 }
 
-func TestPackageValues(t *testing.T) {
-	defer resetEnv()()
-
-	repoFile := "testdata/helmhome/helm/repositories.yaml"
-
-	testCases := []struct {
-		desc               string
-		args               []string
-		valuefilesContents []string
-		flags              map[string]string
-		expected           []string
-	}{
-		{
-			desc:               "helm package, single values file",
-			args:               []string{"testdata/testcharts/alpine"},
-			flags:              map[string]string{"repository-config": repoFile},
-			valuefilesContents: []string{"Name: chart-name-foo"},
-			expected:           []string{"Name: chart-name-foo"},
-		},
-		{
-			desc:               "helm package, multiple values files",
-			args:               []string{"testdata/testcharts/alpine"},
-			flags:              map[string]string{"repository-config": repoFile},
-			valuefilesContents: []string{"Name: chart-name-foo", "foo: bar"},
-			expected:           []string{"Name: chart-name-foo", "foo: bar"},
-		},
-		{
-			desc:     "helm package, with set option",
-			args:     []string{"testdata/testcharts/alpine"},
-			flags:    map[string]string{"set": "Name=chart-name-foo", "repository-config": repoFile},
-			expected: []string{"Name: chart-name-foo"},
-		},
-		{
-			desc:               "helm package, set takes precedence over value file",
-			args:               []string{"testdata/testcharts/alpine"},
-			valuefilesContents: []string{"Name: chart-name-foo"},
-			flags:              map[string]string{"set": "Name=chart-name-bar", "repository-config": repoFile},
-			expected:           []string{"Name: chart-name-bar"},
-		},
-	}
-
-	for _, tc := range testCases {
-		var files []string
-		for _, contents := range tc.valuefilesContents {
-			f := createValuesFile(t, contents)
-			files = append(files, f)
-		}
-		valueFiles := strings.Join(files, ",")
-
-		expected, err := chartutil.ReadValues([]byte(strings.Join(tc.expected, "\n")))
-		if err != nil {
-			t.Errorf("unexpected error parsing values: %q", err)
-		}
-
-		outputDir := ensure.TempDir(t)
-
-		if len(tc.flags) == 0 {
-			tc.flags = make(map[string]string)
-		}
-		tc.flags["destination"] = outputDir
-
-		if len(valueFiles) > 0 {
-			tc.flags["values"] = valueFiles
-		}
-
-		cmd := newPackageCmd(&bytes.Buffer{})
-		setFlags(cmd, tc.flags)
-		if err := cmd.RunE(cmd, tc.args); err != nil {
-			t.Fatalf("unexpected error: %q", err)
-		}
-
-		outputFile := filepath.Join(outputDir, "alpine-0.1.0.tgz")
-		verifyOutputChartExists(t, outputFile)
-
-		actual, err := getChartValues(outputFile)
-		if err != nil {
-			t.Fatalf("unexpected error extracting chart values: %q", err)
-		}
-
-		verifyValues(t, actual, expected)
-	}
-}
-
-func createValuesFile(t *testing.T, data string) string {
-	outputDir := ensure.TempDir(t)
-
-	outputFile := filepath.Join(outputDir, "values.yaml")
-	if err := ioutil.WriteFile(outputFile, []byte(data), 0644); err != nil {
-		t.Fatalf("err: %s", err)
-	}
-	return outputFile
-}
-
-func getChartValues(chartPath string) (chartutil.Values, error) {
-	chart, err := loader.Load(chartPath)
-	if err != nil {
-		return nil, err
-	}
-	return chart.Values, nil
-}
-
-func verifyValues(t *testing.T, actual, expected chartutil.Values) {
-	t.Helper()
-	for key, value := range expected.AsMap() {
-		if got := actual[key]; got != value {
-			t.Errorf("Expected %q, got %q (%v)", value, got, actual)
-		}
-	}
-}
-
-func verifyOutputChartExists(t *testing.T, chartPath string) {
-	if chartFile, err := os.Stat(chartPath); err != nil {
-		t.Errorf("expected file %q, got err %q", chartPath, err)
-	} else if chartFile.Size() == 0 {
-		t.Errorf("file %q has zero bytes.", chartPath)
-	}
-}
-
 func setFlags(cmd *cobra.Command, flags map[string]string) {
 	dest := cmd.Flags()
 	for f, v := range flags {

cmd/helm/plugin_list.go

@@ -18,6 +18,7 @@ package main
 import (
 	"fmt"
 	"io"
+	"strings"
 
 	"github.com/gosuri/uitable"
 	"github.com/spf13/cobra"
@@ -46,3 +47,17 @@ func newPluginListCmd(out io.Writer) *cobra.Command {
 	}
 	return cmd
 }
+
+// Provide dynamic auto-completion for plugin names
+func compListPlugins(toComplete string) []string {
+	var pNames []string
+	plugins, err := findPlugins(settings.PluginsDirectory)
+	if err == nil {
+		for _, p := range plugins {
+			if strings.HasPrefix(p.Metadata.Name, toComplete) {
+				pNames = append(pNames, p.Metadata.Name)
+			}
+		}
+	}
+	return pNames
+}

cmd/helm/plugin_uninstall.go

@@ -24,6 +24,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/plugin"
 )
 
@@ -33,6 +34,7 @@ type pluginUninstallOptions struct {
 
 func newPluginUninstallCmd(out io.Writer) *cobra.Command {
 	o := &pluginUninstallOptions{}
+
 	cmd := &cobra.Command{
 		Use:     "uninstall <plugin>...",
 		Aliases: []string{"rm", "remove"},
@@ -44,6 +46,15 @@ func newPluginUninstallCmd(out io.Writer) *cobra.Command {
 			return o.run(out)
 		},
 	}
+
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListPlugins(toComplete), completion.BashCompDirectiveNoFileComp
+	})
+
 	return cmd
 }
 

cmd/helm/plugin_update.go

@@ -24,6 +24,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/plugin"
 	"helm.sh/helm/v3/pkg/plugin/installer"
 )
@@ -34,6 +35,7 @@ type pluginUpdateOptions struct {
 
 func newPluginUpdateCmd(out io.Writer) *cobra.Command {
 	o := &pluginUpdateOptions{}
+
 	cmd := &cobra.Command{
 		Use:     "update <plugin>...",
 		Aliases: []string{"up"},
@@ -45,6 +47,15 @@ func newPluginUpdateCmd(out io.Writer) *cobra.Command {
 			return o.run(out)
 		},
 	}
+
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListPlugins(toComplete), completion.BashCompDirectiveNoFileComp
+	})
+
 	return cmd
 }
 

cmd/helm/pull.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 )
 
@@ -68,6 +69,14 @@ func newPullCmd(out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListCharts(toComplete, false)
+	})
+
 	f := cmd.Flags()
 	f.BoolVar(&client.Devel, "devel", false, "use development versions, too. Equivalent to version '>0.0.0-0'. If --version is set, this is ignored.")
 	f.BoolVar(&client.Untar, "untar", false, "if set to true, will untar the chart after downloading it")

cmd/helm/pull_test.go

@@ -41,7 +41,10 @@ func TestPullCmd(t *testing.T) {
 	tests := []struct {
 		name         string
 		args         string
+		existFile    string
+		existDir     string
 		wantError    bool
+		wantErrorMsg string
 		failExpect   string
 		expectFile   string
 		expectDir    bool
@@ -87,10 +90,24 @@ func TestPullCmd(t *testing.T) {
 			expectFile: "./signtest",
 			expectDir:  true,
 		},
+		{
+			name:         "Fetch untar when file with same name existed",
+			args:         "test/test1 --untar --untardir test1",
+			existFile:    "test1",
+			wantError:    true,
+			wantErrorMsg: fmt.Sprintf("failed to untar: a file or directory with the name %s already exists", filepath.Join(srv.Root(), "test1")),
+		},
+		{
+			name:         "Fetch untar when dir with same name existed",
+			args:         "test/test2 --untar --untardir test2",
+			existDir:     "test2",
+			wantError:    true,
+			wantErrorMsg: fmt.Sprintf("failed to untar: a file or directory with the name %s already exists", filepath.Join(srv.Root(), "test2")),
+		},
 		{
 			name:         "Fetch, verify, untar",
-			args:         "test/signtest --verify --keyring=testdata/helm-test-key.pub --untar --untardir signtest",
-			expectFile:   "./signtest",
+			args:         "test/signtest --verify --keyring=testdata/helm-test-key.pub --untar --untardir signtest2",
+			expectFile:   "./signtest2",
 			expectDir:    true,
 			expectVerify: true,
 		},
@@ -127,9 +144,27 @@ func TestPullCmd(t *testing.T) {
 				filepath.Join(outdir, "repositories.yaml"),
 				outdir,
 			)
+			// Create file or Dir before helm pull --untar, see: https://github.com/helm/helm/issues/7182
+			if tt.existFile != "" {
+				file := filepath.Join(outdir, tt.existFile)
+				_, err := os.Create(file)
+				if err != nil {
+					t.Fatal("err")
+				}
+			}
+			if tt.existDir != "" {
+				file := filepath.Join(outdir, tt.existDir)
+				err := os.Mkdir(file, 0755)
+				if err != nil {
+					t.Fatal(err)
+				}
+			}
 			_, out, err := executeActionCommand(cmd)
 			if err != nil {
 				if tt.wantError {
+					if tt.wantErrorMsg != "" && tt.wantErrorMsg == err.Error() {
+						t.Fatalf("Actual error %s, not equal to expected error %s", err, tt.wantErrorMsg)
+					}
 					return
 				}
 				t.Fatalf("%q reported error: %s", tt.name, err)

cmd/helm/release_testing.go

@@ -24,6 +24,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/cli/output"
 )
@@ -71,6 +72,14 @@ func newReleaseTestCmd(cfg *action.Configuration, out io.Writer) *cobra.Command
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.Flags()
 	f.DurationVar(&client.Timeout, "timeout", 300*time.Second, "time to wait for any individual Kubernetes operation (like Jobs for hooks)")
 	f.BoolVar(&outputLogs, "logs", false, "Dump the logs from test pods (this runs after all tests are complete, but before any cleanup)")

cmd/helm/repo_add_test.go

@@ -19,13 +19,16 @@ package main
 import (
 	"fmt"
 	"io/ioutil"
+	"os"
 	"path/filepath"
 	"sync"
 	"testing"
 
-	"gopkg.in/yaml.v2"
+	"sigs.k8s.io/yaml"
 
 	"helm.sh/helm/v3/internal/test/ensure"
+	"helm.sh/helm/v3/pkg/helmpath"
+	"helm.sh/helm/v3/pkg/helmpath/xdg"
 	"helm.sh/helm/v3/pkg/repo"
 	"helm.sh/helm/v3/pkg/repo/repotest"
 )
@@ -55,7 +58,8 @@ func TestRepoAdd(t *testing.T) {
 	}
 	defer ts.Stop()
 
-	repoFile := filepath.Join(ensure.TempDir(t), "repositories.yaml")
+	rootDir := ensure.TempDir(t)
+	repoFile := filepath.Join(rootDir, "repositories.yaml")
 
 	const testRepoName = "test-name"
 
@@ -65,6 +69,7 @@ func TestRepoAdd(t *testing.T) {
 		noUpdate: true,
 		repoFile: repoFile,
 	}
+	os.Setenv(xdg.CacheHomeEnvVar, rootDir)
 
 	if err := o.run(ioutil.Discard); err != nil {
 		t.Error(err)
@@ -79,6 +84,15 @@ func TestRepoAdd(t *testing.T) {
 		t.Errorf("%s was not successfully inserted into %s", testRepoName, repoFile)
 	}
 
+	idx := filepath.Join(helmpath.CachePath("repository"), helmpath.CacheIndexFile(testRepoName))
+	if _, err := os.Stat(idx); os.IsNotExist(err) {
+		t.Errorf("Error cache index file was not created for repository %s", testRepoName)
+	}
+	idx = filepath.Join(helmpath.CachePath("repository"), helmpath.CacheChartsFile(testRepoName))
+	if _, err := os.Stat(idx); os.IsNotExist(err) {
+		t.Errorf("Error cache charts file was not created for repository %s", testRepoName)
+	}
+
 	o.noUpdate = false
 
 	if err := o.run(ioutil.Discard); err != nil {

cmd/helm/repo_index_test.go

@@ -119,7 +119,7 @@ func TestRepoIndexCmd(t *testing.T) {
 		t.Error(err)
 	}
 
-	_, err = repo.LoadIndexFile(destIndex)
+	index, err = repo.LoadIndexFile(destIndex)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -130,8 +130,8 @@ func TestRepoIndexCmd(t *testing.T) {
 	}
 
 	vs = index.Entries["compressedchart"]
-	if len(vs) != 3 {
-		t.Errorf("expected 3 versions, got %d: %#v", len(vs), vs)
+	if len(vs) != 1 {
+		t.Errorf("expected 1 versions, got %d: %#v", len(vs), vs)
 	}
 
 	expectedVersion = "0.3.0"

cmd/helm/repo_list.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"io"
+	"strings"
 
 	"github.com/gosuri/uitable"
 	"github.com/pkg/errors"
@@ -95,3 +96,18 @@ func (r *repoListWriter) encodeByFormat(out io.Writer, format output.Format) err
 	// WriteJSON and WriteYAML, we shouldn't get invalid types
 	return nil
 }
+
+// Provide dynamic auto-completion for repo names
+func compListRepos(prefix string) []string {
+	var rNames []string
+
+	f, err := repo.LoadFile(settings.RepositoryConfig)
+	if err == nil && len(f.Repositories) > 0 {
+		for _, repo := range f.Repositories {
+			if strings.HasPrefix(repo.Name, prefix) {
+				rNames = append(rNames, repo.Name)
+			}
+		}
+	}
+	return rNames
+}

cmd/helm/repo_list_test.go

@@ -0,0 +1,25 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"testing"
+)
+
+func TestRepoListOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "repo list")
+}

cmd/helm/repo_remove.go

@@ -26,6 +26,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/helmpath"
 	"helm.sh/helm/v3/pkg/repo"
 )
@@ -38,6 +39,7 @@ type repoRemoveOptions struct {
 
 func newRepoRemoveCmd(out io.Writer) *cobra.Command {
 	o := &repoRemoveOptions{}
+
 	cmd := &cobra.Command{
 		Use:     "remove [NAME]",
 		Aliases: []string{"rm"},
@@ -51,6 +53,14 @@ func newRepoRemoveCmd(out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListRepos(toComplete), completion.BashCompDirectiveNoFileComp
+	})
+
 	return cmd
 }
 
@@ -76,7 +86,12 @@ func (o *repoRemoveOptions) run(out io.Writer) error {
 }
 
 func removeRepoCache(root, name string) error {
-	idx := filepath.Join(root, helmpath.CacheIndexFile(name))
+	idx := filepath.Join(root, helmpath.CacheChartsFile(name))
+	if _, err := os.Stat(idx); err == nil {
+		os.Remove(idx)
+	}
+
+	idx = filepath.Join(root, helmpath.CacheIndexFile(name))
 	if _, err := os.Stat(idx); os.IsNotExist(err) {
 		return nil
 	} else if err != nil {

cmd/helm/repo_remove_test.go

@@ -63,10 +63,13 @@ func TestRepoRemove(t *testing.T) {
 	}
 
 	idx := filepath.Join(rootDir, helmpath.CacheIndexFile(testRepoName))
-
 	mf, _ := os.Create(idx)
 	mf.Close()
 
+	idx2 := filepath.Join(rootDir, helmpath.CacheChartsFile(testRepoName))
+	mf, _ = os.Create(idx2)
+	mf.Close()
+
 	b.Reset()
 
 	if err := rmOpts.run(b); err != nil {
@@ -77,7 +80,11 @@ func TestRepoRemove(t *testing.T) {
 	}
 
 	if _, err := os.Stat(idx); err == nil {
-		t.Errorf("Error cache file was not removed for repository %s", testRepoName)
+		t.Errorf("Error cache index file was not removed for repository %s", testRepoName)
+	}
+
+	if _, err := os.Stat(idx2); err == nil {
+		t.Errorf("Error cache chart file was not removed for repository %s", testRepoName)
 	}
 
 	f, err := repo.LoadFile(repoFile)

cmd/helm/rollback.go

@@ -25,6 +25,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 )
 
@@ -64,6 +65,14 @@ func newRollbackCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.Flags()
 	f.BoolVar(&client.DryRun, "dry-run", false, "simulate a rollback")
 	f.BoolVar(&client.Recreate, "recreate-pods", false, "performs pods restart for the resource if applicable")

cmd/helm/root.go

@@ -23,55 +23,16 @@ import (
 
 	"github.com/spf13/cobra"
 
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/internal/experimental/registry"
 	"helm.sh/helm/v3/pkg/action"
-	"helm.sh/helm/v3/pkg/cli/output"
 )
 
 const (
-	bashCompletionFunc = `
-__helm_override_flag_list=(--kubeconfig --kube-context --namespace -n)
-__helm_override_flags()
-{
-    local ${__helm_override_flag_list[*]##*-} two_word_of of var
-    for w in "${words[@]}"; do
-        if [ -n "${two_word_of}" ]; then
-            eval "${two_word_of##*-}=\"${two_word_of}=\${w}\""
-            two_word_of=
-            continue
-        fi
-        for of in "${__helm_override_flag_list[@]}"; do
-            case "${w}" in
-                ${of}=*)
-                    eval "${of##*-}=\"${w}\""
-                    ;;
-                ${of})
-                    two_word_of="${of}"
-                    ;;
-            esac
-        done
-    done
-    for var in "${__helm_override_flag_list[@]##*-}"; do
-        if eval "test -n \"\$${var}\""; then
-            eval "echo \${${var}}"
-        fi
-    done
-}
-
-__helm_override_flags_to_kubectl_flags()
-{
-    # --kubeconfig, -n, --namespace stay the same for kubectl
-    # --kube-context becomes --context for kubectl
-    __helm_debug "${FUNCNAME[0]}: flags to convert: $1"
-    echo "$1" | \sed s/kube-context/context/
-}
-
-__helm_get_repos()
-{
-    eval $(__helm_binary_name) repo list 2>/dev/null | \tail +2 | \cut -f1
-}
-
+	contextCompFunc = `
 __helm_get_contexts()
 {
     __helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
@@ -81,219 +42,6 @@ __helm_get_contexts()
         COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
     fi
 }
-
-__helm_get_namespaces()
-{
-    __helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-    local template out
-    template="{{ range .items  }}{{ .metadata.name }} {{ end }}"
-
-    flags=$(__helm_override_flags_to_kubectl_flags "$(__helm_override_flags)")
-    __helm_debug "${FUNCNAME[0]}: override flags for kubectl are: $flags"
-
-    # Must use eval in case the flags contain a variable such as $HOME
-    if out=$(eval kubectl get ${flags} -o template --template=\"${template}\" namespace 2>/dev/null); then
-        COMPREPLY+=( $( compgen -W "${out[*]}" -- "$cur" ) )
-    fi
-}
-
-__helm_output_options()
-{
-    __helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-    COMPREPLY+=( $( compgen -W "%[1]s" -- "$cur" ) )
-}
-
-__helm_binary_name()
-{
-    local helm_binary
-    helm_binary="${words[0]}"
-    __helm_debug "${FUNCNAME[0]}: helm_binary is ${helm_binary}"
-    echo ${helm_binary}
-}
-
-# This function prevents the zsh shell from adding a space after
-# a completion by adding a second, fake completion
-__helm_zsh_comp_nospace() {
-    __helm_debug "${FUNCNAME[0]}: in is ${in[*]}"
-
-    local out in=("$@")
-
-    # The shell will normally add a space after these completions.
-    # To avoid that we should use "compopt -o nospace".  However, it is not
-    # available in zsh.
-    # Instead, we trick the shell by pretending there is a second, longer match.
-    # We only do this if there is a single choice left for completion
-    # to reduce the times the user could be presented with the fake completion choice.
-
-    out=($(echo ${in[*]} | \tr " " "\n" | \grep "^${cur}"))
-    __helm_debug "${FUNCNAME[0]}: out is ${out[*]}"
-
-    [ ${#out[*]} -eq 1 ] && out+=("${out}.")
-
-    __helm_debug "${FUNCNAME[0]}: out is now ${out[*]}"
-
-    echo "${out[*]}"
-}
-
-# $1 = 1 if the completion should include local charts (which means file completion)
-__helm_list_charts()
-{
-    __helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-    local repo url file out=() nospace=0 wantFiles=$1
-
-    # Handle completions for repos
-    for repo in $(__helm_get_repos); do
-        if [[ "${cur}" =~ ^${repo}/.* ]]; then
-            # We are doing completion from within a repo
-            out=$(eval $(__helm_binary_name) search repo ${cur} 2>/dev/null | \cut -f1 | \grep ^${cur})
-            nospace=0
-        elif [[ ${repo} =~ ^${cur}.* ]]; then
-            # We are completing a repo name
-            out+=(${repo}/)
-            nospace=1
-        fi
-    done
-    __helm_debug "${FUNCNAME[0]}: out after repos is ${out[*]}"
-
-    # Handle completions for url prefixes
-    for url in https:// http:// file://; do
-        if [[ "${cur}" =~ ^${url}.* ]]; then
-            # The user already put in the full url prefix.  Return it
-            # back as a completion to avoid the shell doing path completion
-            out="${cur}"
-            nospace=1
-        elif [[ ${url} =~ ^${cur}.* ]]; then
-            # We are completing a url prefix
-            out+=(${url})
-            nospace=1
-        fi
-    done
-    __helm_debug "${FUNCNAME[0]}: out after urls is ${out[*]}"
-
-    # Handle completion for files.
-    # We only do this if:
-    #   1- There are other completions found (if there are no completions,
-    #      the shell will do file completion itself)
-    #   2- If there is some input from the user (or else we will end up
-    #      listing the entire content of the current directory which will
-    #      be too many choices for the user to find the real repos)
-    if [ $wantFiles -eq 1 ] && [ -n "${out[*]}" ] && [ -n "${cur}" ]; then
-        for file in $(\ls); do
-            if [[ ${file} =~ ^${cur}.* ]]; then
-                # We are completing a file prefix
-                out+=(${file})
-                nospace=1
-            fi
-        done
-    fi
-    __helm_debug "${FUNCNAME[0]}: out after files is ${out[*]}"
-
-    # If the user didn't provide any input to completion,
-    # we provide a hint that a path can also be used
-    [ $wantFiles -eq 1 ] && [ -z "${cur}" ] && out+=(./ /)
-
-    __helm_debug "${FUNCNAME[0]}: out after checking empty input is ${out[*]}"
-
-    if [ $nospace -eq 1 ]; then
-        if [[ -n "${ZSH_VERSION}" ]]; then
-            # Don't let the shell add a space after the completion
-            local tmpout=$(__helm_zsh_comp_nospace "${out[@]}")
-            unset out
-            out=$tmpout
-        elif [[ $(type -t compopt) = "builtin" ]]; then
-            compopt -o nospace
-        fi
-    fi
-
-    __helm_debug "${FUNCNAME[0]}: final out is ${out[*]}"
-    COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
-}
-
-__helm_list_releases()
-{
-	__helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-	local out filter
-	# Use ^ to map from the start of the release name
-	filter="^${words[c]}"
-    # Use eval in case helm_binary_name or __helm_override_flags contains a variable (e.g., $HOME/bin/h3)
-    if out=$(eval $(__helm_binary_name) list $(__helm_override_flags) -a -q -m 1000 -f ${filter} 2>/dev/null); then
-        COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
-    fi
-}
-
-__helm_list_repos()
-{
-    __helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-    local out
-    # Use eval in case helm_binary_name contains a variable (e.g., $HOME/bin/h3)
-    if out=$(__helm_get_repos); then
-        COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
-    fi
-}
-
-__helm_list_plugins()
-{
-    __helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-    local out
-    # Use eval in case helm_binary_name contains a variable (e.g., $HOME/bin/h3)
-    if out=$(eval $(__helm_binary_name) plugin list 2>/dev/null | \tail +2 | \cut -f1); then
-        COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
-    fi
-}
-
-__helm_list_charts_after_name() {
-    __helm_debug "${FUNCNAME[0]}: last_command is $last_command"
-    if [[ ${#nouns[@]} -eq 1 ]]; then
-        __helm_list_charts 1
-    fi
-}
-
-__helm_list_releases_then_charts() {
-    __helm_debug "${FUNCNAME[0]}: last_command is $last_command"
-    if [[ ${#nouns[@]} -eq 0 ]]; then
-        __helm_list_releases
-    elif [[ ${#nouns[@]} -eq 1 ]]; then
-        __helm_list_charts 1
-    fi
-}
-
-__helm_custom_func()
-{
-    __helm_debug "${FUNCNAME[0]}: last_command is $last_command"
-    case ${last_command} in
-        helm_pull)
-            __helm_list_charts 0
-            return
-            ;;
-        helm_show_*)
-            __helm_list_charts 1
-            return
-            ;;
-        helm_install | helm_template)
-            __helm_list_charts_after_name
-            return
-            ;;
-        helm_upgrade)
-            __helm_list_releases_then_charts
-            return
-            ;;
-        helm_uninstall | helm_history | helm_status | helm_test |\
-        helm_rollback | helm_get_*)
-            __helm_list_releases
-            return
-            ;;
-        helm_repo_remove)
-            __helm_list_repos
-            return
-            ;;
-        helm_plugin_uninstall | helm_plugin_update)
-            __helm_list_plugins
-            return
-            ;;
-        *)
-            ;;
-    esac
-}
 `
 )
 
@@ -301,7 +49,8 @@ var (
 	// Mapping of global flags that can have dynamic completion and the
 	// completion function to be used.
 	bashCompletionFlags = map[string]string{
-		"namespace":    "__helm_get_namespaces",
+		// Cannot convert the kube-context flag to Go completion yet because
+		// an incomplete kube-context will make actionConfig.Init() fail at the very start
 		"kube-context": "__helm_get_contexts",
 	}
 )
@@ -352,12 +101,34 @@ func newRootCmd(actionConfig *action.Configuration, out io.Writer, args []string
 		Long:                   globalUsage,
 		SilenceUsage:           true,
 		Args:                   require.NoArgs,
-		BashCompletionFunction: fmt.Sprintf(bashCompletionFunc, strings.Join(output.Formats(), " ")),
+		BashCompletionFunction: fmt.Sprintf("%s%s", contextCompFunc, completion.GetBashCustomFunction()),
 	}
 	flags := cmd.PersistentFlags()
 
 	settings.AddFlags(flags)
 
+	flag := flags.Lookup("namespace")
+	// Setup shell completion for the namespace flag
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if client, err := actionConfig.KubernetesClientSet(); err == nil {
+			// Choose a long enough timeout that the user notices somethings is not working
+			// but short enough that the user is not made to wait very long
+			to := int64(3)
+			completion.CompDebugln(fmt.Sprintf("About to call kube client for namespaces with timeout of: %d", to))
+
+			nsNames := []string{}
+			if namespaces, err := client.CoreV1().Namespaces().List(metav1.ListOptions{TimeoutSeconds: &to}); err == nil {
+				for _, ns := range namespaces.Items {
+					if strings.HasPrefix(ns.Name, toComplete) {
+						nsNames = append(nsNames, ns.Name)
+					}
+				}
+				return nsNames, completion.BashCompDirectiveNoFileComp
+			}
+		}
+		return nil, completion.BashCompDirectiveDefault
+	})
+
 	// We can safely ignore any errors that flags.Parse encounters since
 	// those errors will be caught later during the call to cmd.Execution.
 	// This call is required to gather configuration information prior to
@@ -397,6 +168,9 @@ func newRootCmd(actionConfig *action.Configuration, out io.Writer, args []string
 
 		// Hidden documentation generator command: 'helm docs'
 		newDocsCmd(out),
+
+		// Setup the special hidden __complete command to allow for dynamic auto-completion
+		completion.NewCompleteCmd(settings, out),
 	)
 
 	// Add annotation to flags for which we can generate completion choices

cmd/helm/root_test.go

@@ -35,23 +35,23 @@ func TestRootCmd(t *testing.T) {
 	}{
 		{
 			name: "defaults",
-			args: "home",
+			args: "env",
 		},
 		{
 			name:      "with $XDG_CACHE_HOME set",
-			args:      "home",
+			args:      "env",
 			envvars:   map[string]string{xdg.CacheHomeEnvVar: "/bar"},
 			cachePath: "/bar/helm",
 		},
 		{
 			name:       "with $XDG_CONFIG_HOME set",
-			args:       "home",
+			args:       "env",
 			envvars:    map[string]string{xdg.ConfigHomeEnvVar: "/bar"},
 			configPath: "/bar/helm",
 		},
 		{
 			name:     "with $XDG_DATA_HOME set",
-			args:     "home",
+			args:     "env",
 			envvars:  map[string]string{xdg.DataHomeEnvVar: "/bar"},
 			dataPath: "/bar/helm",
 		},

cmd/helm/search_hub_test.go

@@ -49,5 +49,8 @@ func TestSearchHubCmd(t *testing.T) {
 		t.Log(out)
 		t.Log(expected)
 	}
+}
 
+func TestSearchHubOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "search hub")
 }

cmd/helm/search_repo.go

@@ -17,8 +17,11 @@ limitations under the License.
 package main
 
 import (
+	"bufio"
+	"bytes"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"path/filepath"
 	"strings"
 
@@ -28,6 +31,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/search"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/cli/output"
 	"helm.sh/helm/v3/pkg/helmpath"
 	"helm.sh/helm/v3/pkg/repo"
@@ -246,3 +250,137 @@ func (r *repoSearchWriter) encodeByFormat(out io.Writer, format output.Format) e
 	// WriteJSON and WriteYAML, we shouldn't get invalid types
 	return nil
 }
+
+// Provides the list of charts that are part of the specified repo, and that starts with 'prefix'.
+func compListChartsOfRepo(repoName string, prefix string) []string {
+	var charts []string
+
+	path := filepath.Join(settings.RepositoryCache, helmpath.CacheChartsFile(repoName))
+	content, err := ioutil.ReadFile(path)
+	if err == nil {
+		scanner := bufio.NewScanner(bytes.NewReader(content))
+		for scanner.Scan() {
+			fullName := fmt.Sprintf("%s/%s", repoName, scanner.Text())
+			if strings.HasPrefix(fullName, prefix) {
+				charts = append(charts, fullName)
+			}
+		}
+		return charts
+	}
+
+	if isNotExist(err) {
+		// If there is no cached charts file, fallback to the full index file.
+		// This is much slower but can happen after the caching feature is first
+		// installed but before the user  does a 'helm repo update' to generate the
+		// first cached charts file.
+		path = filepath.Join(settings.RepositoryCache, helmpath.CacheIndexFile(repoName))
+		if indexFile, err := repo.LoadIndexFile(path); err == nil {
+			for name := range indexFile.Entries {
+				fullName := fmt.Sprintf("%s/%s", repoName, name)
+				if strings.HasPrefix(fullName, prefix) {
+					charts = append(charts, fullName)
+				}
+			}
+			return charts
+		}
+	}
+
+	return []string{}
+}
+
+// Provide dynamic auto-completion for commands that operate on charts (e.g., helm show)
+// When true, the includeFiles argument indicates that completion should include local files (e.g., local charts)
+func compListCharts(toComplete string, includeFiles bool) ([]string, completion.BashCompDirective) {
+	completion.CompDebugln(fmt.Sprintf("compListCharts with toComplete %s", toComplete))
+
+	noSpace := false
+	noFile := false
+	var completions []string
+
+	// First check completions for repos
+	repos := compListRepos("")
+	for _, repo := range repos {
+		repoWithSlash := fmt.Sprintf("%s/", repo)
+		if strings.HasPrefix(toComplete, repoWithSlash) {
+			// Must complete with charts within the specified repo
+			completions = append(completions, compListChartsOfRepo(repo, toComplete)...)
+			noSpace = false
+			break
+		} else if strings.HasPrefix(repo, toComplete) {
+			// Must complete the repo name
+			completions = append(completions, repoWithSlash)
+			noSpace = true
+		}
+	}
+	completion.CompDebugln(fmt.Sprintf("Completions after repos: %v", completions))
+
+	// Now handle completions for url prefixes
+	for _, url := range []string{"https://", "http://", "file://"} {
+		if strings.HasPrefix(toComplete, url) {
+			// The user already put in the full url prefix; we don't have
+			// anything to add, but make sure the shell does not default
+			// to file completion since we could be returning an empty array.
+			noFile = true
+			noSpace = true
+		} else if strings.HasPrefix(url, toComplete) {
+			// We are completing a url prefix
+			completions = append(completions, url)
+			noSpace = true
+		}
+	}
+	completion.CompDebugln(fmt.Sprintf("Completions after urls: %v", completions))
+
+	// Finally, provide file completion if we need to.
+	// We only do this if:
+	// 1- There are other completions found (if there are no completions,
+	//    the shell will do file completion itself)
+	// 2- If there is some input from the user (or else we will end up
+	//    listing the entire content of the current directory which will
+	//    be too many choices for the user to find the real repos)
+	if includeFiles && len(completions) > 0 && len(toComplete) > 0 {
+		if files, err := ioutil.ReadDir("."); err == nil {
+			for _, file := range files {
+				if strings.HasPrefix(file.Name(), toComplete) {
+					// We are completing a file prefix
+					completions = append(completions, file.Name())
+				}
+			}
+		}
+	}
+	completion.CompDebugln(fmt.Sprintf("Completions after files: %v", completions))
+
+	// If the user didn't provide any input to completion,
+	// we provide a hint that a path can also be used
+	if includeFiles && len(toComplete) == 0 {
+		completions = append(completions, "./", "/")
+	}
+	completion.CompDebugln(fmt.Sprintf("Completions after checking empty input: %v", completions))
+
+	directive := completion.BashCompDirectiveDefault
+	if noFile {
+		directive = directive | completion.BashCompDirectiveNoFileComp
+	}
+	if noSpace {
+		directive = directive | completion.BashCompDirectiveNoSpace
+		// The completion.BashCompDirective flags do not work for zsh right now.
+		// We handle it ourselves instead.
+		completions = compEnforceNoSpace(completions)
+	}
+	return completions, directive
+}
+
+// This function prevents the shell from adding a space after
+// a completion by adding a second, fake completion.
+// It is only needed for zsh, but we cannot tell which shell
+// is being used here, so we do the fake completion all the time;
+// there are no real downsides to doing this for bash as well.
+func compEnforceNoSpace(completions []string) []string {
+	// To prevent the shell from adding space after the completion,
+	// we trick it by pretending there is a second, longer match.
+	// We only do this if there is a single choice for completion.
+	if len(completions) == 1 {
+		completions = append(completions, completions[0]+".")
+		completion.CompDebugln(fmt.Sprintf("compEnforceNoSpace: completions now are %v", completions))
+	}
+	return completions
+}

cmd/helm/search_repo_test.go

@@ -83,3 +83,7 @@ func TestSearchRepositoriesCmd(t *testing.T) {
 	}
 	runTestCmd(t, tests)
 }
+
+func TestSearchRepoOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "search repo")
+}

cmd/helm/show.go

@@ -23,6 +23,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 )
 
@@ -61,6 +62,14 @@ func newShowCmd(out io.Writer) *cobra.Command {
 		Args:    require.NoArgs,
 	}
 
+	// Function providing dynamic auto-completion
+	validArgsFunc := func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListCharts(toComplete, true)
+	}
+
 	all := &cobra.Command{
 		Use:   "all [CHART]",
 		Short: "shows all information of the chart",
@@ -145,6 +154,9 @@ func newShowCmd(out io.Writer) *cobra.Command {
 	for _, subCmd := range cmds {
 		addChartPathOptionsFlags(subCmd.Flags(), &client.ChartPathOptions)
 		showCommand.AddCommand(subCmd)
+
+		// Register the completion function for each subcommand
+		completion.RegisterValidArgsFunc(subCmd, validArgsFunc)
 	}
 
 	return showCommand

cmd/helm/status.go

@@ -25,6 +25,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/chartutil"
 	"helm.sh/helm/v3/pkg/cli/output"
@@ -65,8 +66,25 @@ func newStatusCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.PersistentFlags()
+
 	f.IntVar(&client.Version, "revision", 0, "if set, display the status of the named release with revision")
+	flag := f.Lookup("revision")
+	completion.RegisterFlagCompletionFunc(flag, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) == 1 {
+			return compListRevisions(cfg, args[0])
+		}
+		return nil, completion.BashCompDirectiveNoFileComp
+	})
+
 	bindOutputFlag(cmd, &outfmt)
 
 	return cmd

cmd/helm/status_test.go

@@ -108,3 +108,66 @@ func mustParseTime(t string) helmtime.Time {
 	res, _ := helmtime.Parse(time.RFC3339, t)
 	return res
 }
+
+func TestStatusCompletion(t *testing.T) {
+	releasesMockWithStatus := func(info *release.Info, hooks ...*release.Hook) []*release.Release {
+		info.LastDeployed = helmtime.Unix(1452902400, 0).UTC()
+		return []*release.Release{{
+			Name:      "athos",
+			Namespace: "default",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}, {
+			Name:      "porthos",
+			Namespace: "default",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}, {
+			Name:      "aramis",
+			Namespace: "default",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}, {
+			Name:      "dartagnan",
+			Namespace: "gascony",
+			Info:      info,
+			Chart:     &chart.Chart{},
+			Hooks:     hooks,
+		}}
+	}
+
+	tests := []cmdTestCase{{
+		name:   "completion for status",
+		cmd:    "__complete status a",
+		golden: "output/status-comp.txt",
+		rels: releasesMockWithStatus(&release.Info{
+			Status: release.StatusDeployed,
+		}),
+	}, {
+		name:   "completion for status with too many arguments",
+		cmd:    "__complete status dartagnan ''",
+		golden: "output/status-wrong-args-comp.txt",
+		rels: releasesMockWithStatus(&release.Info{
+			Status: release.StatusDeployed,
+		}),
+	}, {
+		name:   "completion for status with too many arguments",
+		cmd:    "__complete status --debug a",
+		golden: "output/status-comp.txt",
+		rels: releasesMockWithStatus(&release.Info{
+			Status: release.StatusDeployed,
+		}),
+	}}
+	runTestCmd(t, tests)
+}
+
+func TestStatusRevisionCompletion(t *testing.T) {
+	revisionFlagCompletionTest(t, "status")
+}
+
+func TestStatusOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "status")
+}

cmd/helm/template.go

@@ -29,6 +29,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/chartutil"
 	"helm.sh/helm/v3/pkg/cli/values"
@@ -111,9 +112,9 @@ func newTemplateCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 					if missing {
 						return fmt.Errorf("could not find template %s in chart", f)
 					}
-					for _, m := range manifestsToRender {
-						fmt.Fprintf(out, "---\n%s\n", m)
-					}
+				}
+				for _, m := range manifestsToRender {
+					fmt.Fprintf(out, "---\n%s\n", m)
 				}
 			} else {
 				fmt.Fprintf(out, "%s", manifests.String())
@@ -123,6 +124,11 @@ func newTemplateCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		return compInstall(args, toComplete, client)
+	})
+
 	f := cmd.Flags()
 	addInstallFlags(f, client, valueOpts)
 	f.StringArrayVarP(&showFiles, "show-only", "s", []string{}, "only show manifests rendered from the given templates")
@@ -131,6 +137,7 @@ func newTemplateCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 	f.BoolVar(&includeCrds, "include-crds", false, "include CRDs in the templated output")
 	f.BoolVar(&client.IsUpgrade, "is-upgrade", false, "set .Release.IsUpgrade instead of .Release.IsInstall")
 	f.StringArrayVarP(&extraAPIs, "api-versions", "a", []string{}, "Kubernetes api versions used for Capabilities.APIVersions")
+	f.BoolVar(&client.UseReleaseName, "release-name", false, "use release name in the output-dir path.")
 
 	return cmd
 }

cmd/helm/template_test.go

@@ -84,6 +84,24 @@ func TestTemplateCmd(t *testing.T) {
 			cmd:    fmt.Sprintf("template '%s' --include-crds", chartPath),
 			golden: "output/template-with-crds.txt",
 		},
+		{
+			name:   "template with show-only one",
+			cmd:    fmt.Sprintf("template '%s' --show-only templates/service.yaml", chartPath),
+			golden: "output/template-show-only-one.txt",
+		},
+		{
+			name:   "template with show-only multiple",
+			cmd:    fmt.Sprintf("template '%s' --show-only templates/service.yaml --show-only charts/subcharta/templates/service.yaml", chartPath),
+			golden: "output/template-show-only-multiple.txt",
+		},
+		{
+			name:   "sorted output of manifests (order of filenames, then order of objects within each YAML file)",
+			cmd:    fmt.Sprintf("template '%s'", "testdata/testcharts/object-order"),
+			golden: "output/object-order.txt",
+			// Helm previously used random file order. Repeat the test so we
+			// don't accidentally get the expected result.
+			repeat: 10,
+		},
 	}
 	runTestCmd(t, tests)
 }

cmd/helm/testdata/output/object-order.txt

@@ -0,0 +1,191 @@
+---
+# Source: object-order/templates/01-a.yml
+# 1
+kind: NetworkPolicy
+apiVersion: networking.k8s.io/v1
+metadata:
+  name: first
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/01-a.yml
+# 2
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: second
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/01-a.yml
+# 3
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: third
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 5
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fifth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 7
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: seventh
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 8
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: eighth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 9
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: ninth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 10
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: tenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 11
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: eleventh
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 12
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: twelfth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 13
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: thirteenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 14
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fourteenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/02-b.yml
+# 15 (11th object within 02-b.yml, in order to test `SplitManifests` which assigns `manifest-10`
+# to this object which should then come *after* `manifest-9`)
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fifteenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+---
+# Source: object-order/templates/01-a.yml
+# 4 (Deployment should come after all NetworkPolicy manifests, since 'helm template' outputs in install order)
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: fourth
+spec:
+  selector:
+    matchLabels:
+      pod: fourth
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        pod: fourth
+    spec:
+      containers:
+        - name: hello-world
+          image: gcr.io/google-samples/node-hello:1.0
+---
+# Source: object-order/templates/02-b.yml
+# 6 (implementation detail: currently, 'helm template' outputs hook manifests last; and yes, NetworkPolicy won't make a reasonable hook, this is just a dummy unit test manifest)
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  annotations:
+    "helm.sh/hook": pre-install
+  name: sixth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress

cmd/helm/testdata/output/output-comp.txt

@@ -0,0 +1,4 @@
+table
+json
+yaml
+:0

cmd/helm/testdata/output/revision-comp.txt

@@ -0,0 +1,5 @@
+8
+9
+10
+11
+:0

cmd/helm/testdata/output/revision-wrong-args-comp.txt

@@ -0,0 +1 @@
+:4

cmd/helm/testdata/output/status-comp.txt

@@ -0,0 +1,3 @@
+aramis
+athos
+:4

cmd/helm/testdata/output/status-wrong-args-comp.txt

@@ -0,0 +1 @@
+:4

cmd/helm/testdata/output/template-show-only-multiple.txt

@@ -0,0 +1,39 @@
+---
+# Source: subchart1/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: subchart1
+  labels:
+    helm.sh/chart: "subchart1-0.1.0"
+    app.kubernetes.io/instance: "RELEASE-NAME"
+    kube-version/major: "1"
+    kube-version/minor: "16"
+    kube-version/version: "v1.16.0"
+    kube-api-version/test: v1
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: nginx
+  selector:
+    app.kubernetes.io/name: subchart1
+---
+# Source: subchart1/charts/subcharta/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: subcharta
+  labels:
+    helm.sh/chart: "subcharta-0.1.0"
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: apache
+  selector:
+    app.kubernetes.io/name: subcharta

cmd/helm/testdata/output/template-show-only-one.txt

@@ -0,0 +1,22 @@
+---
+# Source: subchart1/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: subchart1
+  labels:
+    helm.sh/chart: "subchart1-0.1.0"
+    app.kubernetes.io/instance: "RELEASE-NAME"
+    kube-version/major: "1"
+    kube-version/minor: "16"
+    kube-version/version: "v1.16.0"
+    kube-api-version/test: v1
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: nginx
+  selector:
+    app.kubernetes.io/name: subchart1

cmd/helm/testdata/testcharts/alpine/templates/alpine-pod.yaml

@@ -14,7 +14,7 @@ metadata:
     app.kubernetes.io/version: {{ .Chart.AppVersion }}
     # This makes it easy to audit chart usage.
     helm.sh/chart: "{{.Chart.Name}}-{{.Chart.Version}}"
-    values: {{.Values.test.Name}}
+    values: {{.Values.Name}}
 spec:
   # This shows how to use a simple value. This will look for a passed-in value
   # called restartPolicy. If it is not found, it will use the default value.

cmd/helm/testdata/testcharts/object-order/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v2
+name: object-order
+description: Test ordering of manifests in output
+type: application
+version: 0.1.0

cmd/helm/testdata/testcharts/object-order/templates/01-a.yml

@@ -0,0 +1,57 @@
+# 1
+kind: NetworkPolicy
+apiVersion: networking.k8s.io/v1
+metadata:
+  name: first
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 2
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: second
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 3
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: third
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 4 (Deployment should come after all NetworkPolicy manifests, since 'helm template' outputs in install order)
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: fourth
+spec:
+  selector:
+    matchLabels:
+      pod: fourth
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        pod: fourth
+    spec:
+      containers:
+        - name: hello-world
+          image: gcr.io/google-samples/node-hello:1.0

cmd/helm/testdata/testcharts/object-order/templates/02-b.yml

@@ -0,0 +1,143 @@
+# 5
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fifth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 6 (implementation detail: currently, 'helm template' outputs hook manifests last; and yes, NetworkPolicy won't make a reasonable hook, this is just a dummy unit test manifest)
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  annotations:
+    "helm.sh/hook": pre-install
+  name: sixth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 7
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: seventh
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 8
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: eighth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 9
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: ninth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 10
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: tenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 11
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: eleventh
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 12
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: twelfth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 13
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: thirteenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 14
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fourteenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress
+
+---
+
+# 15 (11th object within 02-b.yml, in order to test `SplitManifests` which assigns `manifest-10`
+# to this object which should then come *after* `manifest-9`)
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: fifteenth
+spec:
+  podSelector: {}
+  policyTypes:
+    - Egress
+    - Ingress

cmd/helm/uninstall.go

@@ -24,6 +24,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 )
 
@@ -64,6 +65,14 @@ func newUninstallCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) != 0 {
+			return nil, completion.BashCompDirectiveNoFileComp
+		}
+		return compListReleases(toComplete, cfg)
+	})
+
 	f := cmd.Flags()
 	f.BoolVar(&client.DryRun, "dry-run", false, "simulate a uninstall")
 	f.BoolVar(&client.DisableHooks, "no-hooks", false, "prevent hooks from running during uninstallation")

cmd/helm/upgrade.go

@@ -25,6 +25,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/internal/completion"
 	"helm.sh/helm/v3/pkg/action"
 	"helm.sh/helm/v3/pkg/chart/loader"
 	"helm.sh/helm/v3/pkg/cli/output"
@@ -144,6 +145,17 @@ func newUpgradeCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		},
 	}
 
+	// Function providing dynamic auto-completion
+	completion.RegisterValidArgsFunc(cmd, func(cmd *cobra.Command, args []string, toComplete string) ([]string, completion.BashCompDirective) {
+		if len(args) == 0 {
+			return compListReleases(toComplete, cfg)
+		}
+		if len(args) == 1 {
+			return compListCharts(toComplete, true)
+		}
+		return nil, completion.BashCompDirectiveNoFileComp
+	})
+
 	f := cmd.Flags()
 	f.BoolVarP(&client.Install, "install", "i", false, "if a release by this name doesn't already exist, run an install")
 	f.BoolVar(&client.Devel, "devel", false, "use development versions, too. Equivalent to version '>0.0.0-0'. If --version is set, this is ignored")

cmd/helm/upgrade_test.go

@@ -258,3 +258,7 @@ func prepareMockRelease(releaseName string, t *testing.T) (func(n string, v int,
 
 	return relMock, ch, chartPath
 }
+
+func TestUpgradeOutputCompletion(t *testing.T) {
+	outputFlagCompletionTest(t, "upgrade")
+}

go.mod

@@ -4,89 +4,42 @@ go 1.13
 
 require (
 	github.com/BurntSushi/toml v0.3.1
-	github.com/MakeNowJust/heredoc v0.0.0-20171113091838-e9091a26100e // indirect
 	github.com/Masterminds/semver/v3 v3.0.3
 	github.com/Masterminds/sprig/v3 v3.0.2
-	github.com/Masterminds/vcs v1.13.0
-	github.com/Microsoft/go-winio v0.4.12 // indirect
-	github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a
-	github.com/containerd/containerd v1.3.0
+	github.com/Masterminds/vcs v1.13.1
+	github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496
+	github.com/containerd/containerd v1.3.2
 	github.com/cyphar/filepath-securejoin v0.2.2
-	github.com/deislabs/oras v0.7.0
+	github.com/deislabs/oras v0.8.1
 	github.com/docker/distribution v2.7.1+incompatible
-	github.com/docker/docker v1.4.2-0.20181221150755-2cb26cfe9cbf
+	github.com/docker/docker v1.4.2-0.20200203170920-46ec8731fbce
 	github.com/docker/go-units v0.4.0
-	github.com/docker/spdystream v0.0.0-20181023171402-6480d4af844c // indirect
-	github.com/emicklei/go-restful v2.11.1+incompatible // indirect
 	github.com/evanphx/json-patch v4.5.0+incompatible
-	github.com/ghodss/yaml v1.0.0 // indirect
-	github.com/go-openapi/jsonreference v0.19.3 // indirect
-	github.com/go-openapi/spec v0.19.4 // indirect
 	github.com/gobwas/glob v0.2.3
 	github.com/gofrs/flock v0.7.1
-	github.com/gogo/protobuf v1.3.1 // indirect
-	github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9 // indirect
-	github.com/google/btree v1.0.0 // indirect
-	github.com/google/go-cmp v0.3.1 // indirect
-	github.com/googleapis/gnostic v0.3.1 // indirect
-	github.com/gosuri/uitable v0.0.1
-	github.com/gregjones/httpcache v0.0.0-20181110185634-c63ab54fda8f // indirect
-	github.com/hashicorp/golang-lru v0.5.3 // indirect
-	github.com/imdario/mergo v0.3.8 // indirect
-	github.com/mailru/easyjson v0.7.0 // indirect
-	github.com/mattn/go-runewidth v0.0.4 // indirect
-	github.com/mattn/go-shellwords v1.0.5
+	github.com/gosuri/uitable v0.0.4
+	github.com/mattn/go-shellwords v1.0.9
 	github.com/mitchellh/copystructure v1.0.0
-	github.com/onsi/ginkgo v1.10.1 // indirect
-	github.com/onsi/gomega v1.7.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0-rc1
 	github.com/opencontainers/image-spec v1.0.1
-	github.com/pkg/errors v0.8.1
-	github.com/prometheus/client_golang v1.2.1 // indirect
+	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.4.2
 	github.com/spf13/cobra v0.0.5
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.4.0
-	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
-	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.1.0
-	github.com/xenolf/lego v0.3.2-0.20160613233155-a9d8cec0e656 // indirect
-	golang.org/x/crypto v0.0.0-20191028145041-f83a4685e152
-	golang.org/x/net v0.0.0-20191028085509-fe3aa8a45271 // indirect
-	golang.org/x/sys v0.0.0-20191028164358-195ce5e7f934 // indirect
-	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
-	google.golang.org/appengine v1.6.5 // indirect
-	google.golang.org/genproto v0.0.0-20191028173616-919d9bdd9fe6 // indirect
-	google.golang.org/grpc v1.24.0 // indirect
-	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.2.4
-	k8s.io/api v0.0.0-20191016110408-35e52d86657a
-	k8s.io/apiextensions-apiserver v0.0.0-20191016113550-5357c4baaf65
-	k8s.io/apimachinery v0.0.0-20191004115801-a2eda9f80ab8
-	k8s.io/cli-runtime v0.0.0-20191016114015-74ad18325ed5
-	k8s.io/client-go v0.0.0-20191016111102-bec269661e48
+	golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
+	k8s.io/api v0.17.2
+	k8s.io/apiextensions-apiserver v0.17.2
+	k8s.io/apimachinery v0.17.2
+	k8s.io/cli-runtime v0.17.2
+	k8s.io/client-go v0.17.2
 	k8s.io/klog v1.0.0
-	k8s.io/kube-openapi v0.0.0-20190918143330-0270cf2f1c1d // indirect
-	k8s.io/kubectl v0.0.0-20191016120415-2ed914427d51
-	k8s.io/utils v0.0.0-20191010214722-8d271d903fe4 // indirect
+	k8s.io/kubectl v0.17.2
 	sigs.k8s.io/yaml v1.1.0
 )
 
 replace (
-	// github.com/Azure/go-autorest/autorest has different versions for the Go
-	// modules than it does for releases on the repository. Note the correct
-	// version when updating.
-	github.com/Azure/go-autorest/autorest => github.com/Azure/go-autorest/autorest v0.9.0
-	github.com/docker/docker => github.com/moby/moby v0.7.3-0.20190826074503-38ab9da00309
-
-	// Kubernetes imports github.com/miekg/dns at a newer version but it is used
-	// by a package Helm does not need. Go modules resolves all packages rather
-	// than just those in use (like Glide and dep do). This sets the version
-	// to the one oras needs. If oras is updated the version should be updated
-	// as well.
-	github.com/miekg/dns => github.com/miekg/dns v0.0.0-20181005163659-0d29b283ac0f
-	gopkg.in/inf.v0 v0.9.1 => github.com/go-inf/inf v0.9.1
-	gopkg.in/square/go-jose.v2 v2.3.0 => github.com/square/go-jose v2.3.0+incompatible
-
-	rsc.io/letsencrypt => github.com/dmcgowan/letsencrypt v0.0.0-20160928181947-1847a81d2087
+	github.com/Azure/go-autorest => github.com/Azure/go-autorest v13.3.2+incompatible
+	github.com/docker/distribution => github.com/docker/distribution v0.0.0-20191216044856-a8371794149d
 )

go.sum

@@ -1,9 +1,13 @@
+bazil.org/fuse v0.0.0-20160811212531-371fbbdaa898/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+github.com/Azure/azure-sdk-for-go v16.2.1+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/Azure/go-autorest v13.3.2+incompatible h1:VxzPyuhtnlBOzc4IWCZHqpyH2d+QMLQEuy3wREyY4oc=
+github.com/Azure/go-autorest v13.3.2+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.9.0 h1:MRvx8gncNaXJqOoLmhNjUAKh33JJF8LyxPhomEtOsjs=
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
 github.com/Azure/go-autorest/autorest/adal v0.5.0 h1:q2gDruN08/guU9vAjuPWff0+QIrpH6ediguzdAzXAUU=
@@ -20,27 +24,20 @@ github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbt
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd h1:sjQovDkwrZp8u+gxLtPgKGjk5hCxuy2hrRejBTA9xFU=
 github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E=
-github.com/MakeNowJust/heredoc v0.0.0-20171113091838-e9091a26100e h1:eb0Pzkt15Bm7f2FFYv7sjY7NPFi3cPkS3tv1CcrFBWA=
-github.com/MakeNowJust/heredoc v0.0.0-20171113091838-e9091a26100e/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E=
 github.com/Masterminds/goutils v1.1.0 h1:zukEsf/1JZwCMgHiK3GZftabmxiCw4apj3a28RPBiVg=
 github.com/Masterminds/goutils v1.1.0/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
-github.com/Masterminds/semver/v3 v3.0.1 h1:2kKm5lb7dKVrt5TYUiAavE6oFc1cFT0057UVGT+JqLk=
-github.com/Masterminds/semver/v3 v3.0.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/Masterminds/semver/v3 v3.0.3 h1:znjIyLfpXEDQjOIEWh+ehwpTU14UzUPub3c3sm36u14=
 github.com/Masterminds/semver/v3 v3.0.3/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
-github.com/Masterminds/sprig/v3 v3.0.0 h1:KSQz7Nb08/3VU9E4ns29dDxcczhOD1q7O1UfM4G3t3g=
-github.com/Masterminds/sprig/v3 v3.0.0/go.mod h1:NEUY/Qq8Gdm2xgYA+NwJM6wmfdRV9xkh8h/Rld20R0U=
 github.com/Masterminds/sprig/v3 v3.0.2 h1:wz22D0CiSctrliXiI9ZO3HoNApweeRGftyDN+BQa3B8=
 github.com/Masterminds/sprig/v3 v3.0.2/go.mod h1:oesJ8kPONMONaZgtiHNzUShJbksypC5kWczhZAf6+aU=
-github.com/Masterminds/vcs v1.13.0 h1:USF5TvZGYgIpcbNAEMLfFhHqP08tFZVlUVrmTSpqnyA=
-github.com/Masterminds/vcs v1.13.0/go.mod h1:N09YCmOQr6RLxC6UNHzuVwAdodYbbnycGHSmwVJjcKA=
-github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
-github.com/Microsoft/go-winio v0.4.12 h1:xAfWHN1IrQ0NJ9TBC0KBZoqLjzDTr1ML+4MywiUOryc=
-github.com/Microsoft/go-winio v0.4.12/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
-github.com/Microsoft/hcsshim v0.8.6 h1:ZfF0+zZeYdzMIVMZHKtDKJvLHj76XCuVae/jNkjj0IA=
-github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
-github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
+github.com/Masterminds/vcs v1.13.1 h1:NL3G1X7/7xduQtA2sJLpVpfHTNBALVNSjob6KEjPXNQ=
+github.com/Masterminds/vcs v1.13.1/go.mod h1:N09YCmOQr6RLxC6UNHzuVwAdodYbbnycGHSmwVJjcKA=
+github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5 h1:ygIc8M6trr62pF5DucadTWGdEB4mEyvzi0e2nbcmcyA=
+github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
+github.com/Microsoft/hcsshim v0.8.7 h1:ptnOoufxGSzauVTsdE+wMYnCWA301PdoN4xg5oRdZpg=
+github.com/Microsoft/hcsshim v0.8.7/go.mod h1:OHd7sQqRFrYd3RmSgbgji+ctCwkbq2wbEYNSzOYtcBQ=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
@@ -51,59 +48,64 @@ github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/Shopify/logrus-bugsnag v0.0.0-20171204204709-577dee27f20d h1:UrqY+r/OJnIp5u0s1SbQ8dVfLCZJsnvazdBP5hS4iRs=
 github.com/Shopify/logrus-bugsnag v0.0.0-20171204204709-577dee27f20d/go.mod h1:HI8ITrYtUY+O+ZhtlqUnD8+KwNPOyugEhfP9fdUIaEQ=
+github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
+github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496 h1:zV3ejI06GQ59hwDQAvmK1qxOQGB3WuVTRoY0okPTAv0=
+github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
+github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
+github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
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@@ -685,7 +671,7 @@ modernc.org/xc v1.0.0/go.mod h1:mRNCo0bvLjGhHO9WsyuKVU4q0ceiDDDoEeWDJHrNx8I=
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internal/completion/complete.go

@@ -0,0 +1,388 @@
+/*
+Copyright The Helm Authors.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package completion
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+
+	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/pkg/cli"
+)
+
+// ==================================================================================
+// The below code supports dynamic shell completion in Go.
+// This should ultimately be pushed down into Cobra.
+// ==================================================================================
+
+// compRequestCmd Hidden command to request completion results from the program.
+// Used by the shell completion script.
+const compRequestCmd = "__complete"
+
+// Global map allowing to find completion functions for commands or flags.
+var validArgsFunctions = map[interface{}]func(cmd *cobra.Command, args []string, toComplete string) ([]string, BashCompDirective){}
+
+// BashCompDirective is a bit map representing the different behaviors the shell
+// can be instructed to have once completions have been provided.
+type BashCompDirective int
+
+const (
+	// BashCompDirectiveError indicates an error occurred and completions should be ignored.
+	BashCompDirectiveError BashCompDirective = 1 << iota
+
+	// BashCompDirectiveNoSpace indicates that the shell should not add a space
+	// after the completion even if there is a single completion provided.
+	BashCompDirectiveNoSpace
+
+	// BashCompDirectiveNoFileComp indicates that the shell should not provide
+	// file completion even when no completion is provided.
+	// This currently does not work for zsh or bash < 4
+	BashCompDirectiveNoFileComp
+
+	// BashCompDirectiveDefault indicates to let the shell perform its default
+	// behavior after completions have been provided.
+	BashCompDirectiveDefault BashCompDirective = 0
+)
+
+// GetBashCustomFunction returns the bash code to handle custom go completion
+// This should eventually be provided by Cobra
+func GetBashCustomFunction() string {
+	return fmt.Sprintf(`
+__helm_custom_func()
+{
+    __helm_debug "${FUNCNAME[0]}: c is $c, words[@] is ${words[@]}, #words[@] is ${#words[@]}"
+    __helm_debug "${FUNCNAME[0]}: cur is ${cur}, cword is ${cword}, words is ${words}"
+
+    local out requestComp lastParam lastChar
+    requestComp="${words[0]} %[1]s ${words[@]:1}"
+
+    lastParam=${words[$((${#words[@]}-1))]}
+    lastChar=${lastParam:$((${#lastParam}-1)):1}
+    __helm_debug "${FUNCNAME[0]}: lastParam ${lastParam}, lastChar ${lastChar}"
+
+    if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then
+        # If the last parameter is complete (there is a space following it)
+        # We add an extra empty parameter so we can indicate this to the go method.
+        __helm_debug "${FUNCNAME[0]}: Adding extra empty parameter"
+        requestComp="${requestComp} \"\""
+    fi
+
+    __helm_debug "${FUNCNAME[0]}: calling ${requestComp}"
+    # Use eval to handle any environment variables and such
+    out=$(eval ${requestComp} 2>/dev/null)
+
+    # Extract the directive int at the very end of the output following a :
+    directive=${out##*:}
+    # Remove the directive
+    out=${out%%:*}
+    if [ "${directive}" = "${out}" ]; then
+        # There is not directive specified
+        directive=0
+    fi
+    __helm_debug "${FUNCNAME[0]}: the completion directive is: ${directive}"
+    __helm_debug "${FUNCNAME[0]}: the completions are: ${out[*]}"
+
+    if [ $((${directive} & %[2]d)) -ne 0 ]; then
+        __helm_debug "${FUNCNAME[0]}: received error, completion failed"
+    else
+        if [ $((${directive} & %[3]d)) -ne 0 ]; then
+            if [[ $(type -t compopt) = "builtin" ]]; then
+                __helm_debug "${FUNCNAME[0]}: activating no space"
+                compopt -o nospace
+            fi
+        fi
+        if [ $((${directive} & %[4]d)) -ne 0 ]; then
+            if [[ $(type -t compopt) = "builtin" ]]; then
+                __helm_debug "${FUNCNAME[0]}: activating no file completion"
+                compopt +o default
+            fi
+        fi
+
+        while IFS='' read -r comp; do
+            COMPREPLY+=("$comp")
+        done < <(compgen -W "${out[*]}" -- "$cur")
+    fi
+}
+`, compRequestCmd, BashCompDirectiveError, BashCompDirectiveNoSpace, BashCompDirectiveNoFileComp)
+}
+
+// RegisterValidArgsFunc should be called to register a function to provide argument completion for a command
+func RegisterValidArgsFunc(cmd *cobra.Command, f func(cmd *cobra.Command, args []string, toComplete string) ([]string, BashCompDirective)) {
+	if _, exists := validArgsFunctions[cmd]; exists {
+		log.Fatal(fmt.Sprintf("RegisterValidArgsFunc: command '%s' already registered", cmd.Name()))
+	}
+	validArgsFunctions[cmd] = f
+}
+
+// RegisterFlagCompletionFunc should be called to register a function to provide completion for a flag
+func RegisterFlagCompletionFunc(flag *pflag.Flag, f func(cmd *cobra.Command, args []string, toComplete string) ([]string, BashCompDirective)) {
+	if _, exists := validArgsFunctions[flag]; exists {
+		log.Fatal(fmt.Sprintf("RegisterFlagCompletionFunc: flag '%s' already registered", flag.Name))
+	}
+	validArgsFunctions[flag] = f
+
+	// Make sure the completion script call the __helm_custom_func for the registered flag.
+	// This is essential to make the = form work. E.g., helm -n=<TAB> or helm status --output=<TAB>
+	if flag.Annotations == nil {
+		flag.Annotations = map[string][]string{}
+	}
+	flag.Annotations[cobra.BashCompCustom] = []string{"__helm_custom_func"}
+}
+
+var debug = true
+
+// Returns a string listing the different directive enabled in the specified parameter
+func (d BashCompDirective) string() string {
+	var directives []string
+	if d&BashCompDirectiveError != 0 {
+		directives = append(directives, "BashCompDirectiveError")
+	}
+	if d&BashCompDirectiveNoSpace != 0 {
+		directives = append(directives, "BashCompDirectiveNoSpace")
+	}
+	if d&BashCompDirectiveNoFileComp != 0 {
+		directives = append(directives, "BashCompDirectiveNoFileComp")
+	}
+	if len(directives) == 0 {
+		directives = append(directives, "BashCompDirectiveDefault")
+	}
+
+	if d > BashCompDirectiveError+BashCompDirectiveNoSpace+BashCompDirectiveNoFileComp {
+		return fmt.Sprintf("ERROR: unexpected BashCompDirective value: %d", d)
+	}
+	return strings.Join(directives, ", ")
+}
+
+// NewCompleteCmd add a special hidden command that an be used to request completions
+func NewCompleteCmd(settings *cli.EnvSettings, out io.Writer) *cobra.Command {
+	debug = settings.Debug
+	return &cobra.Command{
+		Use:                   fmt.Sprintf("%s [command-line]", compRequestCmd),
+		DisableFlagsInUseLine: true,
+		Hidden:                true,
+		DisableFlagParsing:    true,
+		Args:                  require.MinimumNArgs(1),
+		Short:                 "Request shell completion choices for the specified command-line",
+		Long: fmt.Sprintf("%s is a special command that is used by the shell completion logic\n%s",
+			compRequestCmd, "to request completion choices for the specified command-line."),
+		Run: func(cmd *cobra.Command, args []string) {
+			CompDebugln(fmt.Sprintf("%s was called with args %v", cmd.Name(), args))
+
+			flag, trimmedArgs, toComplete, err := checkIfFlagCompletion(cmd.Root(), args[:len(args)-1], args[len(args)-1])
+			if err != nil {
+				// Error while attempting to parse flags
+				CompErrorln(err.Error())
+				return
+			}
+			// Find the real command for which completion must be performed
+			finalCmd, finalArgs, err := cmd.Root().Find(trimmedArgs)
+			if err != nil {
+				// Unable to find the real command. E.g., helm invalidCmd <TAB>
+				return
+			}
+
+			CompDebugln(fmt.Sprintf("Found final command '%s', with finalArgs %v", finalCmd.Name(), finalArgs))
+
+			// Parse the flags and extract the arguments to prepare for calling the completion function
+			if err = finalCmd.ParseFlags(finalArgs); err != nil {
+				CompErrorln(fmt.Sprintf("Error while parsing flags from args %v: %s", finalArgs, err.Error()))
+				return
+			}
+			argsWoFlags := finalCmd.Flags().Args()
+			CompDebugln(fmt.Sprintf("Args without flags are '%v' with length %d", argsWoFlags, len(argsWoFlags)))
+
+			var key interface{}
+			var keyStr string
+			if flag != nil {
+				key = flag
+				keyStr = flag.Name
+			} else {
+				key = finalCmd
+				keyStr = finalCmd.Name()
+			}
+
+			// Find completion function for the flag or command
+			completionFn, ok := validArgsFunctions[key]
+			if !ok {
+				CompErrorln(fmt.Sprintf("Dynamic completion not supported/needed for flag or command: %s", keyStr))
+				return
+			}
+
+			CompDebugln(fmt.Sprintf("Calling completion method for subcommand '%s' with args '%v' and toComplete '%s'", finalCmd.Name(), argsWoFlags, toComplete))
+			completions, directive := completionFn(finalCmd, argsWoFlags, toComplete)
+			for _, comp := range completions {
+				// Print each possible completion to stdout for the completion script to consume.
+				fmt.Fprintln(out, comp)
+			}
+
+			// As the last printout, print the completion directive for the
+			// completion script to parse.
+			// The directive integer must be that last character following a single :
+			// The completion script expects :directive
+			fmt.Fprintln(out, fmt.Sprintf(":%d", directive))
+
+			// Print some helpful info to stderr for the user to understand.
+			// Output from stderr should be ignored from the completion script.
+			fmt.Fprintf(os.Stderr, "Completion ended with directive: %s\n", directive.string())
+		},
+	}
+}
+
+func isFlag(arg string) bool {
+	return len(arg) > 0 && arg[0] == '-'
+}
+
+func checkIfFlagCompletion(rootCmd *cobra.Command, args []string, lastArg string) (*pflag.Flag, []string, string, error) {
+	var flagName string
+	trimmedArgs := args
+	flagWithEqual := false
+	if isFlag(lastArg) {
+		if index := strings.Index(lastArg, "="); index >= 0 {
+			flagName = strings.TrimLeft(lastArg[:index], "-")
+			lastArg = lastArg[index+1:]
+			flagWithEqual = true
+		} else {
+			return nil, nil, "", errors.New("Unexpected completion request for flag")
+		}
+	}
+
+	if len(flagName) == 0 {
+		if len(args) > 0 {
+			prevArg := args[len(args)-1]
+			if isFlag(prevArg) {
+				// If the flag contains an = it means it has already been fully processed
+				if index := strings.Index(prevArg, "="); index < 0 {
+					flagName = strings.TrimLeft(prevArg, "-")
+
+					// Remove the uncompleted flag or else Cobra could complain about
+					// an invalid value for that flag e.g., helm status --output j<TAB>
+					trimmedArgs = args[:len(args)-1]
+				}
+			}
+		}
+	}
+
+	if len(flagName) == 0 {
+		// Not doing flag completion
+		return nil, trimmedArgs, lastArg, nil
+	}
+
+	// Find the real command for which completion must be performed
+	finalCmd, _, err := rootCmd.Find(trimmedArgs)
+	if err != nil {
+		// Unable to find the real command. E.g., helm invalidCmd <TAB>
+		return nil, nil, "", errors.New("Unable to find final command for completion")
+	}
+
+	CompDebugln(fmt.Sprintf("checkIfFlagCompletion: found final command '%s'", finalCmd.Name()))
+
+	flag := findFlag(finalCmd, flagName)
+	if flag == nil {
+		// Flag not supported by this command, nothing to complete
+		err = fmt.Errorf("Subcommand '%s' does not support flag '%s'", finalCmd.Name(), flagName)
+		return nil, nil, "", err
+	}
+
+	if !flagWithEqual {
+		if len(flag.NoOptDefVal) != 0 {
+			// We had assumed dealing with a two-word flag but the flag is a boolean flag.
+			// In that case, there is no value following it, so we are not really doing flag completion.
+			// Reset everything to do argument completion.
+			trimmedArgs = args
+			flag = nil
+		}
+	}
+
+	return flag, trimmedArgs, lastArg, nil
+}
+
+func findFlag(cmd *cobra.Command, name string) *pflag.Flag {
+	flagSet := cmd.Flags()
+	if len(name) == 1 {
+		// First convert the short flag into a long flag
+		// as the cmd.Flag() search only accepts long flags
+		if short := flagSet.ShorthandLookup(name); short != nil {
+			CompDebugln(fmt.Sprintf("checkIfFlagCompletion: found flag '%s' which we will change to '%s'", name, short.Name))
+			name = short.Name
+		} else {
+			set := cmd.InheritedFlags()
+			if short = set.ShorthandLookup(name); short != nil {
+				CompDebugln(fmt.Sprintf("checkIfFlagCompletion: found inherited flag '%s' which we will change to '%s'", name, short.Name))
+				name = short.Name
+			} else {
+				return nil
+			}
+		}
+	}
+	return cmd.Flag(name)
+}
+
+// CompDebug prints the specified string to the same file as where the
+// completion script prints its logs.
+// Note that completion printouts should never be on stdout as they would
+// be wrongly interpreted as actual completion choices by the completion script.
+func CompDebug(msg string) {
+	msg = fmt.Sprintf("[Debug] %s", msg)
+
+	// Such logs are only printed when the user has set the environment
+	// variable BASH_COMP_DEBUG_FILE to the path of some file to be used.
+	if path := os.Getenv("BASH_COMP_DEBUG_FILE"); path != "" {
+		f, err := os.OpenFile(path,
+			os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+		if err == nil {
+			defer f.Close()
+			f.WriteString(msg)
+		}
+	}
+
+	if debug {
+		// Must print to stderr for this not to be read by the completion script.
+		fmt.Fprintf(os.Stderr, msg)
+	}
+}
+
+// CompDebugln prints the specified string with a newline at the end
+// to the same file as where the completion script prints its logs.
+// Such logs are only printed when the user has set the environment
+// variable BASH_COMP_DEBUG_FILE to the path of some file to be used.
+func CompDebugln(msg string) {
+	CompDebug(fmt.Sprintf("%s\n", msg))
+}
+
+// CompError prints the specified completion message to stderr.
+func CompError(msg string) {
+	msg = fmt.Sprintf("[Error] %s", msg)
+
+	CompDebug(msg)
+
+	// If not already printed by the call to CompDebug().
+	if !debug {
+		// Must print to stderr for this not to be read by the completion script.
+		fmt.Fprintf(os.Stderr, msg)
+	}
+}
+
+// CompErrorln prints the specified completion message to stderr with a newline at the end.
+func CompErrorln(msg string) {
+	CompError(fmt.Sprintf("%s\n", msg))
+}

internal/experimental/registry/client.go

@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"net/http"
 	"sort"
 
 	auth "github.com/deislabs/oras/pkg/auth/docker"
@@ -69,7 +70,7 @@ func NewClient(opts ...ClientOption) (*Client, error) {
 		}
 	}
 	if client.resolver == nil {
-		resolver, err := client.authorizer.Resolver(context.Background())
+		resolver, err := client.authorizer.Resolver(context.Background(), http.DefaultClient, false)
 		if err != nil {
 			return nil, err
 		}

internal/experimental/registry/client_test.go

@@ -23,6 +23,7 @@ import (
 	"io"
 	"io/ioutil"
 	"net"
+	"net/http"
 	"os"
 	"path/filepath"
 	"testing"
@@ -66,7 +67,7 @@ func (suite *RegistryClientTestSuite) SetupSuite() {
 	client, err := auth.NewClient(credentialsFile)
 	suite.Nil(err, "no error creating auth client")
 
-	resolver, err := client.Resolver(context.Background())
+	resolver, err := client.Resolver(context.Background(), http.DefaultClient, false)
 	suite.Nil(err, "no error creating resolver")
 
 	// create cache

internal/monocular/search.go

@@ -58,7 +58,7 @@ type Chart struct {
 	Icon        string             `json:"icon"`
 }
 
-// Repo contains the name in monocular the the url for the repository
+// Repo contains the name in monocular the url for the repository
 type Repo struct {
 	Name string `json:"name"`
 	URL  string `json:"url"`

internal/resolver/resolver_test.go

@@ -216,3 +216,61 @@ func TestHashReq(t *testing.T) {
 		})
 	}
 }
+
+func TestGetLocalPath(t *testing.T) {
+	tests := []struct {
+		name      string
+		repo      string
+		chartpath string
+		expect    string
+		err       bool
+	}{
+		{
+			name:   "absolute path",
+			repo:   "file:////tmp",
+			expect: "/tmp",
+		},
+		{
+			name:      "relative path",
+			repo:      "file://../../../../cmd/helm/testdata/testcharts/signtest",
+			chartpath: "foo/bar",
+			expect:    "../../cmd/helm/testdata/testcharts/signtest",
+		},
+		{
+			name:      "current directory path",
+			repo:      "../charts/localdependency",
+			chartpath: "testdata/chartpath/charts",
+			expect:    "testdata/chartpath/charts/localdependency",
+		},
+		{
+			name:      "invalid local path",
+			repo:      "file://../testdata/notexist",
+			chartpath: "testdata/chartpath",
+			err:       true,
+		},
+		{
+			name:      "invalid path under current directory",
+			repo:      "../charts/nonexistentdependency",
+			chartpath: "testdata/chartpath/charts",
+			err:       true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			p, err := GetLocalPath(tt.repo, tt.chartpath)
+			if err != nil {
+				if tt.err {
+					return
+				}
+				t.Fatal(err)
+			}
+			if tt.err {
+				t.Fatalf("Expected error in test %q", tt.name)
+			}
+			if p != tt.expect {
+				t.Errorf("%q: expected %q, got %q", tt.name, tt.expect, p)
+			}
+		})
+	}
+}

internal/third_party/dep/fs/fs_test.go

@@ -170,7 +170,7 @@ func TestCopyDir(t *testing.T) {
 func TestCopyDirFail_SrcInaccessible(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		// XXX: setting permissions works differently in
-		// Microsoft Windows. Skipping this this until a
+		// Microsoft Windows. Skipping this until a
 		// compatible implementation is provided.
 		t.Skip("skipping on windows")
 	}
@@ -209,7 +209,7 @@ func TestCopyDirFail_SrcInaccessible(t *testing.T) {
 func TestCopyDirFail_DstInaccessible(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		// XXX: setting permissions works differently in
-		// Microsoft Windows. Skipping this this until a
+		// Microsoft Windows. Skipping this until a
 		// compatible implementation is provided.
 		t.Skip("skipping on windows")
 	}
@@ -309,7 +309,7 @@ func TestCopyDirFailOpen(t *testing.T) {
 		// Microsoft Windows. os.Chmod(..., 0222) below is not
 		// enough for the file to be readonly, and os.Chmod(...,
 		// 0000) returns an invalid argument error. Skipping
-		// this this until a compatible implementation is
+		// this until a compatible implementation is
 		// provided.
 		t.Skip("skipping on windows")
 	}
@@ -478,7 +478,7 @@ func TestCopyFileSymlink(t *testing.T) {
 func TestCopyFileFail(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		// XXX: setting permissions works differently in
-		// Microsoft Windows. Skipping this this until a
+		// Microsoft Windows. Skipping this until a
 		// compatible implementation is provided.
 		t.Skip("skipping on windows")
 	}
@@ -521,7 +521,7 @@ func TestCopyFileFail(t *testing.T) {
 }
 
 // setupInaccessibleDir creates a temporary location with a single
-// directory in it, in such a way that that directory is not accessible
+// directory in it, in such a way that directory is not accessible
 // after this function returns.
 //
 // op is called with the directory as argument, so that it can create

pkg/action/action.go

@@ -167,8 +167,8 @@ func (c *Configuration) releaseContent(name string, version int) (*release.Relea
 // GetVersionSet retrieves a set of available k8s API versions
 func GetVersionSet(client discovery.ServerResourcesInterface) (chartutil.VersionSet, error) {
 	groups, resources, err := client.ServerGroupsAndResources()
-	if err != nil {
-		return chartutil.DefaultVersionSet, err
+	if err != nil && !discovery.IsGroupDiscoveryFailedError(err) {
+		return chartutil.DefaultVersionSet, errors.Wrap(err, "could not get apiVersions from Kubernetes")
 	}
 
 	// FIXME: The Kubernetes test fixture for cli appears to always return nil

pkg/action/action_test.go

@@ -19,6 +19,7 @@ import (
 	"context"
 	"flag"
 	"io/ioutil"
+	"net/http"
 	"path/filepath"
 	"testing"
 
@@ -45,7 +46,7 @@ func actionConfigFixture(t *testing.T) *Configuration {
 		t.Fatal(err)
 	}
 
-	resolver, err := client.Resolver(context.Background())
+	resolver, err := client.Resolver(context.Background(), http.DefaultClient, false)
 	if err != nil {
 		t.Fatal(err)
 	}

pkg/action/install.go

@@ -67,28 +67,32 @@ type Install struct {
 
 	ChartPathOptions
 
-	ClientOnly       bool
-	DryRun           bool
-	DisableHooks     bool
-	Replace          bool
-	Wait             bool
-	Devel            bool
-	DependencyUpdate bool
-	Timeout          time.Duration
-	Namespace        string
-	ReleaseName      string
-	GenerateName     bool
-	NameTemplate     string
-	Description      string
-	OutputDir        string
-	Atomic           bool
-	SkipCRDs         bool
-	SubNotes         bool
+	ClientOnly               bool
+	DryRun                   bool
+	DisableHooks             bool
+	Replace                  bool
+	Wait                     bool
+	Devel                    bool
+	DependencyUpdate         bool
+	Timeout                  time.Duration
+	Namespace                string
+	ReleaseName              string
+	GenerateName             bool
+	NameTemplate             string
+	Description              string
+	OutputDir                string
+	Atomic                   bool
+	SkipCRDs                 bool
+	SubNotes                 bool
+	DisableOpenAPIValidation bool
 	// APIVersions allows a manual set of supported API Versions to be passed
 	// (for things like templating). These are ignored if ClientOnly is false
 	APIVersions chartutil.VersionSet
 	// Used by helm template to render charts with .Release.IsUpgrade. Ignored if Dry-Run is false
 	IsUpgrade bool
+	// Used by helm template to add the release as part of OutputDir path
+	// OutputDir/<ReleaseName>
+	UseReleaseName bool
 }
 
 // ChartPathOptions captures common options used for controlling chart paths
@@ -217,7 +221,7 @@ func (i *Install) Run(chrt *chart.Chart, vals map[string]interface{}) (*release.
 	rel := i.createRelease(chrt, vals)
 
 	var manifestDoc *bytes.Buffer
-	rel.Hooks, manifestDoc, rel.Info.Notes, err = i.cfg.renderResources(chrt, valuesToRender, i.OutputDir, i.SubNotes)
+	rel.Hooks, manifestDoc, rel.Info.Notes, err = i.cfg.renderResources(chrt, valuesToRender, i.ReleaseName, i.OutputDir, i.SubNotes, i.UseReleaseName)
 	// Even for errors, attach this if available
 	if manifestDoc != nil {
 		rel.Manifest = manifestDoc.String()
@@ -232,7 +236,7 @@ func (i *Install) Run(chrt *chart.Chart, vals map[string]interface{}) (*release.
 	// Mark this release as in-progress
 	rel.SetStatus(release.StatusPendingInstall, "Initial install underway")
 
-	resources, err := i.cfg.KubeClient.Build(bytes.NewBufferString(rel.Manifest), true)
+	resources, err := i.cfg.KubeClient.Build(bytes.NewBufferString(rel.Manifest), !i.DisableOpenAPIValidation)
 	if err != nil {
 		return nil, errors.Wrap(err, "unable to build kubernetes objects from release manifest")
 	}
@@ -421,7 +425,7 @@ func (i *Install) replaceRelease(rel *release.Release) error {
 }
 
 // renderResources renders the templates in a chart
-func (c *Configuration) renderResources(ch *chart.Chart, values chartutil.Values, outputDir string, subNotes bool) ([]*release.Hook, *bytes.Buffer, string, error) {
+func (c *Configuration) renderResources(ch *chart.Chart, values chartutil.Values, releaseName string, outputDir string, subNotes, useReleaseName bool) ([]*release.Hook, *bytes.Buffer, string, error) {
 	hs := []*release.Hook{}
 	b := bytes.NewBuffer(nil)
 
@@ -436,8 +440,20 @@ func (c *Configuration) renderResources(ch *chart.Chart, values chartutil.Values
 		}
 	}
 
-	files, err := engine.Render(ch, values)
-	if err != nil {
+	var files map[string]string
+	var err2 error
+
+	if c.RESTClientGetter != nil {
+		rest, err := c.RESTClientGetter.ToRESTConfig()
+		if err != nil {
+			return hs, b, "", err
+		}
+		files, err2 = engine.RenderWithClient(ch, values, rest)
+	} else {
+		files, err2 = engine.Render(ch, values)
+	}
+
+	if err2 != nil {
 		return hs, b, "", err
 	}
 
@@ -486,7 +502,11 @@ func (c *Configuration) renderResources(ch *chart.Chart, values chartutil.Values
 		if outputDir == "" {
 			fmt.Fprintf(b, "---\n# Source: %s\n%s\n", m.Name, m.Content)
 		} else {
-			err = writeToFile(outputDir, m.Name, m.Content, fileWritten[m.Name])
+			newDir := outputDir
+			if useReleaseName {
+				newDir = filepath.Join(outputDir, releaseName)
+			}
+			err = writeToFile(newDir, m.Name, m.Content, fileWritten[m.Name])
 			if err != nil {
 				return hs, b, "", err
 			}

pkg/action/install_test.go

@@ -471,6 +471,46 @@ func TestInstallReleaseOutputDir(t *testing.T) {
 	is.True(os.IsNotExist(err))
 }
 
+func TestInstallOutputDirWithReleaseName(t *testing.T) {
+	is := assert.New(t)
+	instAction := installAction(t)
+	vals := map[string]interface{}{}
+
+	dir, err := ioutil.TempDir("", "output-dir")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer os.RemoveAll(dir)
+
+	instAction.OutputDir = dir
+	instAction.UseReleaseName = true
+	instAction.ReleaseName = "madra"
+
+	newDir := filepath.Join(dir, instAction.ReleaseName)
+
+	_, err = instAction.Run(buildChart(withSampleTemplates(), withMultipleManifestTemplate()), vals)
+	if err != nil {
+		t.Fatalf("Failed install: %s", err)
+	}
+
+	_, err = os.Stat(filepath.Join(newDir, "hello/templates/goodbye"))
+	is.NoError(err)
+
+	_, err = os.Stat(filepath.Join(newDir, "hello/templates/hello"))
+	is.NoError(err)
+
+	_, err = os.Stat(filepath.Join(newDir, "hello/templates/with-partials"))
+	is.NoError(err)
+
+	_, err = os.Stat(filepath.Join(newDir, "hello/templates/rbac"))
+	is.NoError(err)
+
+	test.AssertGoldenFile(t, filepath.Join(newDir, "hello/templates/rbac"), "rbac.txt")
+
+	_, err = os.Stat(filepath.Join(newDir, "hello/templates/empty"))
+	is.True(os.IsNotExist(err))
+}
+
 func TestNameAndChart(t *testing.T) {
 	is := assert.New(t)
 	instAction := installAction(t)

pkg/action/list.go

@@ -26,7 +26,7 @@ import (
 
 // ListStates represents zero or more status codes that a list item may have set
 //
-// Because this is used as a bitmask filter, more than one one bit can be flipped
+// Because this is used as a bitmask filter, more than one bit can be flipped
 // in the ListStates.
 type ListStates uint
 

pkg/action/package.go

@@ -60,12 +60,6 @@ func (p *Package) Run(path string, vals map[string]interface{}) (string, error)
 		return "", err
 	}
 
-	combinedVals, err := chartutil.CoalesceValues(ch, vals)
-	if err != nil {
-		return "", err
-	}
-	ch.Values = combinedVals
-
 	// If version is set, modify the version.
 	if p.Version != "" {
 		if err := setVersion(ch, p.Version); err != nil {

pkg/action/pull.go

@@ -110,13 +110,21 @@ func (p *Pull) Run(chartRef string) (string, error) {
 		if !filepath.IsAbs(ud) {
 			ud = filepath.Join(p.DestDir, ud)
 		}
-		if fi, err := os.Stat(ud); err != nil {
-			if err := os.MkdirAll(ud, 0755); err != nil {
+		// Let udCheck to check conflict file/dir without replacing ud when untarDir is the current directory(.).
+		udCheck := ud
+		if udCheck == "." {
+			_, udCheck = filepath.Split(chartRef)
+		} else {
+			_, chartName := filepath.Split(chartRef)
+			udCheck = filepath.Join(udCheck, chartName)
+		}
+		if _, err := os.Stat(udCheck); err != nil {
+			if err := os.MkdirAll(udCheck, 0755); err != nil {
 				return out.String(), errors.Wrap(err, "failed to untar (mkdir)")
 			}
 
-		} else if !fi.IsDir() {
-			return out.String(), errors.Errorf("failed to untar: %s is not a directory", ud)
+		} else {
+			return out.String(), errors.Errorf("failed to untar: a file or directory with the name %s already exists", udCheck)
 		}
 
 		return out.String(), chartutil.ExpandFile(ud, saved)

pkg/action/upgrade.go

@@ -161,7 +161,7 @@ func (u *Upgrade) prepareUpgrade(name string, chart *chart.Chart, vals map[strin
 		return nil, nil, err
 	}
 
-	hooks, manifestDoc, notesTxt, err := u.cfg.renderResources(chart, valuesToRender, "", u.SubNotes)
+	hooks, manifestDoc, notesTxt, err := u.cfg.renderResources(chart, valuesToRender, "", "", u.SubNotes, false)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -291,7 +291,7 @@ func (u *Upgrade) failRelease(rel *release.Release, created kube.ResourceList, e
 	rel.Info.Status = release.StatusFailed
 	rel.Info.Description = msg
 	u.cfg.recordRelease(rel)
-	if u.CleanupOnFail {
+	if u.CleanupOnFail && len(created) > 0 {
 		u.cfg.Log("Cleanup on fail set, cleaning up %d resources", len(created))
 		_, errs := u.cfg.KubeClient.Delete(created)
 		if errs != nil {

pkg/action/upgrade_test.go

@@ -60,6 +60,31 @@ func TestUpgradeRelease_Wait(t *testing.T) {
 	is.Equal(res.Info.Status, release.StatusFailed)
 }
 
+func TestUpgradeRelease_CleanupOnFail(t *testing.T) {
+	is := assert.New(t)
+	req := require.New(t)
+
+	upAction := upgradeAction(t)
+	rel := releaseStub()
+	rel.Name = "come-fail-away"
+	rel.Info.Status = release.StatusDeployed
+	upAction.cfg.Releases.Create(rel)
+
+	failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
+	failer.WaitError = fmt.Errorf("I timed out")
+	failer.DeleteError = fmt.Errorf("I tried to delete nil")
+	upAction.cfg.KubeClient = failer
+	upAction.Wait = true
+	upAction.CleanupOnFail = true
+	vals := map[string]interface{}{}
+
+	res, err := upAction.Run(rel.Name, buildChart(), vals)
+	req.Error(err)
+	is.NotContains(err.Error(), "unable to cleanup resources")
+	is.Contains(res.Info.Description, "I timed out")
+	is.Equal(res.Info.Status, release.StatusFailed)
+}
+
 func TestUpgradeRelease_Atomic(t *testing.T) {
 	is := assert.New(t)
 	req := require.New(t)

pkg/action/validate.go

@@ -33,7 +33,8 @@ func existingResourceConflict(resources kube.ResourceList) error {
 		}
 
 		helper := resource.NewHelper(info.Client, info.Mapping)
-		if _, err := helper.Get(info.Namespace, info.Name, info.Export); err != nil {
+		existing, err := helper.Get(info.Namespace, info.Name, info.Export)
+		if err != nil {
 			if apierrors.IsNotFound(err) {
 				return nil
 			}
@@ -41,7 +42,7 @@ func existingResourceConflict(resources kube.ResourceList) error {
 			return errors.Wrap(err, "could not get information about the resource")
 		}
 
-		return fmt.Errorf("existing resource conflict: kind: %s, namespace: %s, name: %s", info.Mapping.GroupVersionKind.Kind, info.Namespace, info.Name)
+		return fmt.Errorf("existing resource conflict: namespace: %s, name: %s, existing_kind: %s, new_kind: %s", info.Namespace, info.Name, existing.GetObjectKind().GroupVersionKind(), info.Mapping.GroupVersionKind)
 	})
 	return err
 }

pkg/chart/chart.go

@@ -33,7 +33,7 @@ type Chart struct {
 	Raw []*File `json:"-"`
 	// Metadata is the contents of the Chartfile.
 	Metadata *Metadata `json:"metadata"`
-	// LocK is the contents of Chart.lock.
+	// Lock is the contents of Chart.lock.
 	Lock *Lock `json:"lock"`
 	// Templates for this chart.
 	Templates []*File `json:"templates"`

pkg/chartutil/chartfile_test.go

@@ -39,7 +39,6 @@ func verifyChartfile(t *testing.T, f *chart.Metadata, name string) {
 		t.Fatal("Failed verifyChartfile because f is nil")
 	}
 
-	// Api instead of API because it was generated via protobuf.
 	if f.APIVersion != chart.APIVersionV1 {
 		t.Errorf("Expected API Version %q, got %q", chart.APIVersionV1, f.APIVersion)
 	}

pkg/chartutil/create.go

@@ -103,6 +103,8 @@ fullnameOverride: ""
 serviceAccount:
   # Specifies whether a service account should be created
   create: true
+  # Annotations to add to the service account
+  annotations: {}
   # The name of the service account to use.
   # If not set and create is true, a name is generated using the fullname template
   name:
@@ -170,6 +172,7 @@ const defaultIgnore = `# Patterns to ignore when building packages.
 *.swp
 *.bak
 *.tmp
+*.orig
 *~
 # Various IDEs
 .project
@@ -301,7 +304,11 @@ kind: ServiceAccount
 metadata:
   name: {{ include "<CHARTNAME>.serviceAccountName" . }}
   labels:
-{{ include "<CHARTNAME>.labels" . | nindent 4 }}
+    {{- include "<CHARTNAME>.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
 {{- end -}}
 `
 
@@ -398,7 +405,7 @@ kind: Pod
 metadata:
   name: "{{ include "<CHARTNAME>.fullname" . }}-test-connection"
   labels:
-{{ include "<CHARTNAME>.labels" . | nindent 4 }}
+    {{- include "<CHARTNAME>.labels" . | nindent 4 }}
   annotations:
     "helm.sh/hook": test-success
 spec:
@@ -406,7 +413,7 @@ spec:
     - name: wget
       image: busybox
       command: ['wget']
-      args:  ['{{ include "<CHARTNAME>.fullname" . }}:{{ .Values.service.port }}']
+      args: ['{{ include "<CHARTNAME>.fullname" . }}:{{ .Values.service.port }}']
   restartPolicy: Never
 `
 

pkg/chartutil/doc.go

@@ -16,7 +16,7 @@ limitations under the License.
 
 /*Package chartutil contains tools for working with charts.
 
-Charts are described in the protocol buffer definition (pkg/proto/charts).
+Charts are described in the chart package (pkg/chart).
 This package provides utilities for serializing and deserializing charts.
 
 A chart can be represented on the file system in one of two ways:
@@ -38,7 +38,7 @@ For accepting raw compressed tar file data from an io.Reader, the
 'loader.LoadArchive()' will read in the data, uncompress it, and unpack it
 into a Chart.
 
-When creating charts in memory, use the 'helm.sh/helm/pkg/proto/chart'
+When creating charts in memory, use the 'helm.sh/helm/pkg/chart'
 package directly.
 */
 package chartutil // import "helm.sh/helm/v3/pkg/chartutil"

pkg/chartutil/save.go

@@ -50,11 +50,12 @@ func SaveDir(c *chart.Chart, dest string) error {
 	}
 
 	// Save values.yaml
-	if c.Values != nil {
-		vf := filepath.Join(outdir, ValuesfileName)
-		b, _ := yaml.Marshal(c.Values)
-		if err := writeFile(vf, b); err != nil {
-			return err
+	for _, f := range c.Raw {
+		if f.Name == ValuesfileName {
+			vf := filepath.Join(outdir, ValuesfileName)
+			if err := writeFile(vf, f.Data); err != nil {
+				return err
+			}
 		}
 	}
 
@@ -161,12 +162,12 @@ func writeTarContents(out *tar.Writer, c *chart.Chart, prefix string) error {
 	}
 
 	// Save values.yaml
-	ydata, err := yaml.Marshal(c.Values)
-	if err != nil {
-		return err
-	}
-	if err := writeToTar(out, filepath.Join(base, ValuesfileName), ydata); err != nil {
-		return err
+	for _, f := range c.Raw {
+		if f.Name == ValuesfileName {
+			if err := writeToTar(out, filepath.Join(base, ValuesfileName), f.Data); err != nil {
+				return err
+			}
+		}
 	}
 
 	// Save values.schema.json if it exists

pkg/engine/engine.go

@@ -27,6 +27,7 @@ import (
 	"text/template"
 
 	"github.com/pkg/errors"
+	"k8s.io/client-go/rest"
 
 	"helm.sh/helm/v3/pkg/chart"
 	"helm.sh/helm/v3/pkg/chartutil"
@@ -39,6 +40,8 @@ type Engine struct {
 	Strict bool
 	// In LintMode, some 'required' template values may be missing, so don't fail
 	LintMode bool
+	// the rest config to connect to te kubernetes api
+	config *rest.Config
 }
 
 // Render takes a chart, optional values, and value overrides, and attempts to render the Go templates.
@@ -71,6 +74,15 @@ func Render(chrt *chart.Chart, values chartutil.Values) (map[string]string, erro
 	return new(Engine).Render(chrt, values)
 }
 
+// RenderWithClient takes a chart, optional values, and value overrides, and attempts to
+// render the Go templates using the default options. This engine is client aware and so can have template
+// functions that interact with the client
+func RenderWithClient(chrt *chart.Chart, values chartutil.Values, config *rest.Config) (map[string]string, error) {
+	return Engine{
+		config: config,
+	}.Render(chrt, values)
+}
+
 // renderable is an object that can be rendered.
 type renderable struct {
 	// tpl is the current template.
@@ -83,6 +95,7 @@ type renderable struct {
 
 const warnStartDelim = "HELM_ERR_START"
 const warnEndDelim = "HELM_ERR_END"
+const recursionMaxNums = 1000
 
 var warnRegex = regexp.MustCompile(warnStartDelim + `(.*)` + warnEndDelim)
 
@@ -93,19 +106,20 @@ func warnWrap(warn string) string {
 // initFunMap creates the Engine's FuncMap and adds context-specific functions.
 func (e Engine) initFunMap(t *template.Template, referenceTpls map[string]renderable) {
 	funcMap := funcMap()
-	includedNames := make([]string, 0)
+	includedNames := make(map[string]int)
 
 	// Add the 'include' function here so we can close over t.
 	funcMap["include"] = func(name string, data interface{}) (string, error) {
 		var buf strings.Builder
-		for _, n := range includedNames {
-			if n == name {
+		if v, ok := includedNames[name]; ok {
+			if v > recursionMaxNums {
 				return "", errors.Wrapf(fmt.Errorf("unable to execute template"), "rendering template has a nested reference name: %s", name)
 			}
+			includedNames[name]++
+		} else {
+			includedNames[name] = 1
 		}
-		includedNames = append(includedNames, name)
 		err := t.ExecuteTemplate(&buf, name, data)
-		includedNames = includedNames[:len(includedNames)-1]
 		return buf.String(), err
 	}
 
@@ -157,6 +171,9 @@ func (e Engine) initFunMap(t *template.Template, referenceTpls map[string]render
 		}
 		return val, nil
 	}
+	if e.config != nil {
+		funcMap["lookup"] = NewLookupFunction(e.config)
+	}
 
 	t.Funcs(funcMap)
 }

pkg/engine/lookup_func.go

@@ -0,0 +1,119 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package engine
+
+import (
+	"log"
+	"strings"
+
+	"github.com/pkg/errors"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/discovery"
+	"k8s.io/client-go/dynamic"
+	"k8s.io/client-go/rest"
+)
+
+type lookupFunc = func(apiversion string, resource string, namespace string, name string) (map[string]interface{}, error)
+
+// NewLookupFunction returns a function for looking up objects in the cluster. If the resource does not exist, no error
+// is raised.
+func NewLookupFunction(config *rest.Config) lookupFunc {
+	return func(apiversion string, resource string, namespace string, name string) (map[string]interface{}, error) {
+		var client dynamic.ResourceInterface
+		c, namespaced, err := getDynamicClientOnKind(apiversion, resource, config)
+		if err != nil {
+			return map[string]interface{}{}, err
+		}
+		if namespaced && namespace != "" {
+			client = c.Namespace(namespace)
+		} else {
+			client = c
+		}
+		if name != "" {
+			// this will return a single object
+			obj, err := client.Get(name, metav1.GetOptions{})
+			if err != nil {
+				if apierrors.IsNotFound(err) {
+					// Just return an empty interface when the object was not found.
+					// That way, users can use `if not (lookup ...)` in their templates.
+					return map[string]interface{}{}, nil
+				}
+				return map[string]interface{}{}, err
+			}
+			return obj.UnstructuredContent(), nil
+		}
+		//this will return a list
+		obj, err := client.List(metav1.ListOptions{})
+		if err != nil {
+			if apierrors.IsNotFound(err) {
+				// Just return an empty interface when the object was not found.
+				// That way, users can use `if not (lookup ...)` in their templates.
+				return map[string]interface{}{}, nil
+			}
+			return map[string]interface{}{}, err
+		}
+		return obj.UnstructuredContent(), nil
+	}
+}
+
+// getDynamicClientOnUnstructured returns a dynamic client on an Unstructured type. This client can be further namespaced.
+func getDynamicClientOnKind(apiversion string, kind string, config *rest.Config) (dynamic.NamespaceableResourceInterface, bool, error) {
+	gvk := schema.FromAPIVersionAndKind(apiversion, kind)
+	apiRes, err := getAPIReourceForGVK(gvk, config)
+	if err != nil {
+		log.Printf("[ERROR] unable to get apiresource from unstructured: %s , error %s", gvk.String(), err)
+		return nil, false, errors.Wrapf(err, "unable to get apiresource from unstructured: %s", gvk.String())
+	}
+	gvr := schema.GroupVersionResource{
+		Group:    apiRes.Group,
+		Version:  apiRes.Version,
+		Resource: apiRes.Name,
+	}
+	intf, err := dynamic.NewForConfig(config)
+	if err != nil {
+		log.Printf("[ERROR] unable to get dynamic client %s", err)
+		return nil, false, err
+	}
+	res := intf.Resource(gvr)
+	return res, apiRes.Namespaced, nil
+}
+
+func getAPIReourceForGVK(gvk schema.GroupVersionKind, config *rest.Config) (metav1.APIResource, error) {
+	res := metav1.APIResource{}
+	discoveryClient, err := discovery.NewDiscoveryClientForConfig(config)
+	if err != nil {
+		log.Printf("[ERROR] unable to create discovery client %s", err)
+		return res, err
+	}
+	resList, err := discoveryClient.ServerResourcesForGroupVersion(gvk.GroupVersion().String())
+	if err != nil {
+		log.Printf("[ERROR] unable to retrieve resource list for: %s , error: %s", gvk.GroupVersion().String(), err)
+		return res, err
+	}
+	for _, resource := range resList.APIResources {
+		//if a resource contains a "/" it's referencing a subresource. we don't support suberesource for now.
+		if resource.Kind == gvk.Kind && !strings.Contains(resource.Name, "/") {
+			res = resource
+			res.Group = gvk.Group
+			res.Version = gvk.Version
+			break
+		}
+	}
+	return res, nil
+}

pkg/getter/getter.go

@@ -64,7 +64,7 @@ func WithUserAgent(userAgent string) Option {
 	}
 }
 
-// WithTLSClientConfig sets the client client auth with the provided credentials.
+// WithTLSClientConfig sets the client auth with the provided credentials.
 func WithTLSClientConfig(certFile, keyFile, caFile string) Option {
 	return func(opts *options) {
 		opts.certFile = certFile

pkg/helmpath/home.go

@@ -11,6 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// Package helmpath calculates filesystem paths to Helm's configuration, cache and data.
 package helmpath
 
 // This helper builds paths to Helm's configuration, cache and data paths.
@@ -25,10 +26,19 @@ func CachePath(elem ...string) string { return lp.cachePath(elem...) }
 // DataPath returns the path where Helm stores data.
 func DataPath(elem ...string) string { return lp.dataPath(elem...) }
 
-// CacheIndex returns the path to an index for the given named repository.
+// CacheIndexFile returns the path to an index for the given named repository.
 func CacheIndexFile(name string) string {
 	if name != "" {
 		name += "-"
 	}
 	return name + "index.yaml"
 }
+
+// CacheChartsFile returns the path to a text file listing all the charts
+// within the given named repository.
+func CacheChartsFile(name string) string {
+	if name != "" {
+		name += "-"
+	}
+	return name + "charts.txt"
+}

pkg/helmpath/lazypath.go

@@ -10,6 +10,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 package helmpath
 
 import (

pkg/helmpath/xdg/xdg.go

@@ -1,16 +1,22 @@
-// Copyright The Helm Authors.
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+/*
+Copyright The Helm Authors.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
 
-// http://www.apache.org/licenses/LICENSE-2.0
+http://www.apache.org/licenses/LICENSE-2.0
 
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 
+// Package xdg holds constants pertaining to XDG Base Directory Specification.
+//
+// The XDG Base Directory Specification https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
+// specifies the environment variables that define user-specific base directories for various categories of files.
 package xdg
 
 const (

pkg/kube/client.go

@@ -21,7 +21,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"log"
 	"strings"
 	"sync"
 	"time"
@@ -30,6 +29,7 @@ import (
 	"github.com/pkg/errors"
 	batch "k8s.io/api/batch/v1"
 	v1 "k8s.io/api/core/v1"
+	apiextv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	apiextv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 
@@ -56,16 +56,23 @@ type Client struct {
 	Log     func(string, ...interface{})
 }
 
+var addToScheme sync.Once
+
 // New creates a new Client.
 func New(getter genericclioptions.RESTClientGetter) *Client {
 	if getter == nil {
 		getter = genericclioptions.NewConfigFlags(true)
 	}
 	// Add CRDs to the scheme. They are missing by default.
-	if err := apiextv1beta1.AddToScheme(scheme.Scheme); err != nil {
-		// This should never happen.
-		panic(err)
-	}
+	addToScheme.Do(func() {
+		if err := apiextv1.AddToScheme(scheme.Scheme); err != nil {
+			// This should never happen.
+			panic(err)
+		}
+		if err := apiextv1beta1.AddToScheme(scheme.Scheme); err != nil {
+			panic(err)
+		}
+	})
 	return &Client{
 		Factory: cmdutil.NewFactory(getter),
 		Log:     nopLogger,
@@ -197,6 +204,11 @@ func (c *Client) Update(original, target ResourceList, force bool) (*Result, err
 	}
 
 	for _, info := range original.Difference(target) {
+		if info.Mapping.GroupVersionKind.Kind == "CustomResourceDefinition" {
+			c.Log("Skipping the deletion of CustomResourceDefinition %q", info.Name)
+			continue
+		}
+
 		c.Log("Deleting %q in %s...", info.Name, info.Namespace)
 		res.Deleted = append(res.Deleted, info)
 		if err := deleteResource(info); err != nil {
@@ -219,6 +231,11 @@ func (c *Client) Delete(resources ResourceList) (*Result, []error) {
 	var errs []error
 	res := &Result{}
 	err := perform(resources, func(info *resource.Info) error {
+		if info.Mapping.GroupVersionKind.Kind == "CustomResourceDefinition" {
+			c.Log("Skipping the deletion of CustomResourceDefinition %q", info.Name)
+			return nil
+		}
+
 		c.Log("Starting delete for %q %s", info.Name, info.Mapping.GroupVersionKind.Kind)
 		if err := c.skipIfNotFound(deleteResource(info)); err != nil {
 			// Collect the error and continue on
@@ -355,7 +372,12 @@ func createPatch(target *resource.Info, current runtime.Object) ([]byte, types.P
 	// returned from ConvertToVersion. Anything that's unstructured should
 	// use the jsonpatch.CreateMergePatch. Strategic Merge Patch is not supported
 	// on objects like CRDs.
-	if _, ok := versionedObject.(runtime.Unstructured); ok {
+	_, isUnstructured := versionedObject.(runtime.Unstructured)
+
+	// On newer K8s versions, CRDs aren't unstructured but has this dedicated type
+	_, isCRD := versionedObject.(*apiextv1beta1.CustomResourceDefinition)
+
+	if isUnstructured || isCRD {
 		// fall back to generic JSON merge patch
 		patch, err := jsonpatch.CreateMergePatch(oldData, newData)
 		return patch, types.MergePatchType, err
@@ -398,7 +420,7 @@ func updateResource(c *Client, target *resource.Info, currentObj runtime.Object,
 		if err != nil {
 			return errors.Wrap(err, "failed to replace object")
 		}
-		log.Printf("Replaced %q with kind %s for kind %s\n", target.Name, currentObj.GetObjectKind().GroupVersionKind().Kind, kind)
+		c.Log("Replaced %q with kind %s for kind %s\n", target.Name, currentObj.GetObjectKind().GroupVersionKind().Kind, kind)
 	} else {
 		// send patch to server
 		obj, err = helper.Patch(target.Namespace, target.Name, patchType, patch, nil)

pkg/kube/fake/printer.go

@@ -33,7 +33,7 @@ type PrintingKubeClient struct {
 	Out io.Writer
 }
 
-// isReachable checks if the cluster is reachable
+// IsReachable checks if the cluster is reachable
 func (p *PrintingKubeClient) IsReachable() error {
 	return nil
 }

pkg/kube/resource_test.go

@@ -37,6 +37,10 @@ func TestResourceList(t *testing.T) {
 	r1 = []*resource.Info{info("foo"), info("bar")}
 	r2 = []*resource.Info{info("bar")}
 
+	if r1.Get(info("bar")).Mapping.Resource.Resource != "pod" {
+		t.Error("expected get pod")
+	}
+
 	diff := r1.Difference(r2)
 	if len(diff) != 1 {
 		t.Error("expected 1 result")

pkg/plugin/plugin_test.go

@@ -87,6 +87,9 @@ func TestPlatformPrepareCommand(t *testing.T) {
 			PlatformCommand: []PlatformCommand{
 				{OperatingSystem: "linux", Architecture: "i386", Command: "echo -n linux-i386"},
 				{OperatingSystem: "linux", Architecture: "amd64", Command: "echo -n linux-amd64"},
+				{OperatingSystem: "linux", Architecture: "arm64", Command: "echo -n linux-arm64"},
+				{OperatingSystem: "linux", Architecture: "ppc64le", Command: "echo -n linux-ppc64le"},
+				{OperatingSystem: "linux", Architecture: "s390x", Command: "echo -n linux-s390x"},
 				{OperatingSystem: "windows", Architecture: "amd64", Command: "echo -n win-64"},
 			},
 		},
@@ -98,6 +101,12 @@ func TestPlatformPrepareCommand(t *testing.T) {
 		osStrCmp = "linux-i386"
 	} else if os == "linux" && arch == "amd64" {
 		osStrCmp = "linux-amd64"
+	} else if os == "linux" && arch == "arm64" {
+		osStrCmp = "linux-arm64"
+	} else if os == "linux" && arch == "ppc64le" {
+		osStrCmp = "linux-ppc64le"
+	} else if os == "linux" && arch == "s390x" {
+		osStrCmp = "linux-s390x"
 	} else if os == "windows" && arch == "amd64" {
 		osStrCmp = "win-64"
 	} else {

pkg/releaseutil/kind_sorter.go

@@ -31,12 +31,12 @@ var InstallOrder KindSortOrder = []string{
 	"LimitRange",
 	"PodSecurityPolicy",
 	"PodDisruptionBudget",
+	"ServiceAccount",
 	"Secret",
 	"ConfigMap",
 	"StorageClass",
 	"PersistentVolume",
 	"PersistentVolumeClaim",
-	"ServiceAccount",
 	"CustomResourceDefinition",
 	"ClusterRole",
 	"ClusterRoleList",
@@ -85,12 +85,12 @@ var UninstallOrder KindSortOrder = []string{
 	"ClusterRoleList",
 	"ClusterRole",
 	"CustomResourceDefinition",
-	"ServiceAccount",
 	"PersistentVolumeClaim",
 	"PersistentVolume",
 	"StorageClass",
 	"ConfigMap",
 	"Secret",
+	"ServiceAccount",
 	"PodDisruptionBudget",
 	"PodSecurityPolicy",
 	"LimitRange",
@@ -101,10 +101,10 @@ var UninstallOrder KindSortOrder = []string{
 
 // sortByKind does an in-place sort of manifests by Kind.
 //
-// Results are sorted by 'ordering'
+// Results are sorted by 'ordering', keeping order of items with equal kind/priority
 func sortByKind(manifests []Manifest, ordering KindSortOrder) []Manifest {
 	ks := newKindSorter(manifests, ordering)
-	sort.Sort(ks)
+	sort.Stable(ks)
 	return ks.manifests
 }
 
@@ -134,13 +134,13 @@ func (k *kindSorter) Less(i, j int) bool {
 	b := k.manifests[j]
 	first, aok := k.ordering[a.Head.Kind]
 	second, bok := k.ordering[b.Head.Kind]
-	// if same kind (including unknown) sub sort alphanumeric
-	if first == second {
-		// if both are unknown and of different kind sort by kind alphabetically
-		if !aok && !bok && a.Head.Kind != b.Head.Kind {
+
+	if !aok && !bok {
+		// if both are unknown then sort alphabetically by kind, keep original order if same kind
+		if a.Head.Kind != b.Head.Kind {
 			return a.Head.Kind < b.Head.Kind
 		}
-		return a.Name < b.Name
+		return first < second
 	}
 	// unknown kind is last
 	if !aok {
@@ -149,6 +149,6 @@ func (k *kindSorter) Less(i, j int) bool {
 	if !bok {
 		return true
 	}
-	// sort different kinds
+	// sort different kinds, keep original order if same priority
 	return first < second
 }

pkg/releaseutil/kind_sorter_test.go

@@ -40,7 +40,7 @@ func TestKindSorter(t *testing.T) {
 			Head: &SimpleHead{Kind: "ClusterRoleBindingList"},
 		},
 		{
-			Name: "e",
+			Name: "f",
 			Head: &SimpleHead{Kind: "ConfigMap"},
 		},
 		{
@@ -84,11 +84,11 @@ func TestKindSorter(t *testing.T) {
 			Head: &SimpleHead{Kind: "NetworkPolicy"},
 		},
 		{
-			Name: "f",
+			Name: "g",
 			Head: &SimpleHead{Kind: "PersistentVolume"},
 		},
 		{
-			Name: "g",
+			Name: "h",
 			Head: &SimpleHead{Kind: "PersistentVolumeClaim"},
 		},
 		{
@@ -132,7 +132,7 @@ func TestKindSorter(t *testing.T) {
 			Head: &SimpleHead{Kind: "RoleBindingList"},
 		},
 		{
-			Name: "d",
+			Name: "e",
 			Head: &SimpleHead{Kind: "Secret"},
 		},
 		{
@@ -140,7 +140,7 @@ func TestKindSorter(t *testing.T) {
 			Head: &SimpleHead{Kind: "Service"},
 		},
 		{
-			Name: "h",
+			Name: "d",
 			Head: &SimpleHead{Kind: "ServiceAccount"},
 		},
 		{
@@ -166,8 +166,8 @@ func TestKindSorter(t *testing.T) {
 		order       KindSortOrder
 		expected    string
 	}{
-		{"install", InstallOrder, "aAbcC3de1fgh2iIjJkKlLmnopqrxstuvw!"},
-		{"uninstall", UninstallOrder, "wvmutsxrqponLlKkJjIi2hgf1ed3CcbAa!"},
+		{"install", InstallOrder, "aAbcC3def1gh2iIjJkKlLmnopqrxstuvw!"},
+		{"uninstall", UninstallOrder, "wvmutsxrqponLlKkJjIi2hg1fed3CcbAa!"},
 	} {
 		var buf bytes.Buffer
 		t.Run(test.description, func(t *testing.T) {
@@ -185,8 +185,8 @@ func TestKindSorter(t *testing.T) {
 	}
 }
 
-// TestKindSorterSubSort verifies manifests of same kind are also sorted alphanumeric
-func TestKindSorterSubSort(t *testing.T) {
+// TestKindSorterKeepOriginalOrder verifies manifests of same kind are kept in original order
+func TestKindSorterKeepOriginalOrder(t *testing.T) {
 	manifests := []Manifest{
 		{
 			Name: "a",
@@ -230,8 +230,8 @@ func TestKindSorterSubSort(t *testing.T) {
 		order       KindSortOrder
 		expected    string
 	}{
-		// expectation is sorted by kind (unknown is last) and then sub sorted alphabetically within each group
-		{"cm,clusterRole,clusterRoleBinding,Unknown,Unknown2", InstallOrder, "01Aa!zu1u2t3"},
+		// expectation is sorted by kind (unknown is last) and within each group of same kind, the order is kept
+		{"cm,clusterRole,clusterRoleBinding,Unknown,Unknown2", InstallOrder, "01aAz!u2u1t3"},
 	} {
 		var buf bytes.Buffer
 		t.Run(test.description, func(t *testing.T) {
@@ -245,3 +245,24 @@ func TestKindSorterSubSort(t *testing.T) {
 		})
 	}
 }
+
+func TestKindSorterNamespaceAgainstUnknown(t *testing.T) {
+	unknown := Manifest{
+		Name: "a",
+		Head: &SimpleHead{Kind: "Unknown"},
+	}
+	namespace := Manifest{
+		Name: "b",
+		Head: &SimpleHead{Kind: "Namespace"},
+	}
+
+	manifests := []Manifest{unknown, namespace}
+	sortByKind(manifests, InstallOrder)
+
+	expectedOrder := []Manifest{namespace, unknown}
+	for i, manifest := range manifests {
+		if expectedOrder[i].Name != manifest.Name {
+			t.Errorf("Expected %s, got %s", expectedOrder[i].Name, manifest.Name)
+		}
+	}
+}