feat(tests): replace gometalinter with golangci-lint

Signed-off-by: Adam Reese <adam@reese.io>

.golangci.yml

@@ -0,0 +1,27 @@
+run:
+  deadline: 2m
+
+linters:
+  disable-all: true
+  enable:
+    - deadcode
+    - dupl
+    - gofmt
+    - goimports
+    - golint
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - nakedret
+    - structcheck
+    - unused
+    - varcheck
+
+linters-settings:
+  gofmt:
+    simplify: true
+  goimports:
+    local-prefixes: k8s.io/helm
+  dupl:
+    threshold: 400

Makefile

@@ -3,10 +3,11 @@ DIST_DIRS  := find * -type d -exec
 TARGETS    := darwin/amd64 linux/amd64 linux/386 linux/arm linux/arm64 linux/ppc64le windows/amd64
 BINNAME    ?= helm
 
-GOPATH     = $(shell go env GOPATH)
-DEP        = $(GOPATH)/bin/dep
-GOX        = $(GOPATH)/bin/gox
-GOIMPORTS  = $(GOPATH)/bin/goimports
+GOPATH        = $(shell go env GOPATH)
+DEP           = $(GOPATH)/bin/dep
+GOX           = $(GOPATH)/bin/gox
+GOIMPORTS     = $(GOPATH)/bin/goimports
+GOLANGCI_LINT = $(GOPATH)/bin/golangci-lint
 
 # go option
 PKG        := ./...
@@ -70,8 +71,8 @@ test-unit: vendor
 	HELM_HOME=/no_such_dir go test $(GOFLAGS) -run $(TESTS) $(PKG) $(TESTFLAGS)
 
 .PHONY: test-style
-test-style: vendor
-	@scripts/validate-go.sh
+test-style: vendor $(GOLANGCI_LINT)
+	$(GOLANGCI_LINT) run
 	@scripts/validate-license.sh
 
 .PHONY: verify-docs
@@ -98,6 +99,9 @@ $(DEP):
 $(GOX):
 	go get -u github.com/mitchellh/gox
 
+$(GOLANGCI_LINT):
+	go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
+
 $(GOIMPORTS):
 	go get -u golang.org/x/tools/cmd/goimports
 

pkg/helm/option.go

@@ -40,16 +40,12 @@ type options struct {
 	force bool
 	// if set, skip running hooks
 	disableHooks bool
-	// release list options are applied directly to the list releases request
-	listReq hapi.ListReleasesRequest
 	// release install options are applied directly to the install release request
 	instReq hapi.InstallReleaseRequest
 	// release update options are applied directly to the update release request
 	updateReq hapi.UpdateReleaseRequest
 	// release uninstall options are applied directly to the uninstall release request
 	uninstallReq hapi.UninstallReleaseRequest
-	// release get status options are applied directly to the get release status request
-	statusReq hapi.GetReleaseStatusRequest
 	// release get content options are applied directly to the get release content request
 	contentReq hapi.GetReleaseContentRequest
 	// release rollback options are applied directly to the rollback release request

pkg/plugin/plugin.go

@@ -141,7 +141,7 @@ func (p *Plugin) PrepareCommand(extraArgs []string) (string, []string, error) {
 	if platCmdLen == 0 || parts == nil {
 		parts = strings.Split(os.ExpandEnv(p.Metadata.Command), " ")
 	}
-	if parts == nil || len(parts) == 0 || parts[0] == "" {
+	if len(parts) == 0 || parts[0] == "" {
 		return "", nil, fmt.Errorf("No plugin command is applicable")
 	}
 

pkg/registry/reference.go

@@ -25,7 +25,7 @@ import (
 )
 
 var (
-	validPortRegEx   = regexp.MustCompile("^([1-9]\\d{0,3}|0|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$") // adapted from https://stackoverflow.com/a/12968117
+	validPortRegEx   = regexp.MustCompile(`^([1-9]\d{0,3}|0|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$`) // adapted from https://stackoverflow.com/a/12968117
 	errEmptyRepo     = errors.New("parsed repo was empty")
 	errTooManyColons = errors.New("ref may only contain a single colon character (:) unless specifying a port number")
 )

pkg/releaseutil/kind_sorter.go

@@ -136,11 +136,3 @@ func (k *kindSorter) Less(i, j int) bool {
 	// sort different kinds
 	return first < second
 }
-
-// SortByKind sorts manifests in InstallOrder
-func SortByKind(manifests []Manifest) []Manifest {
-	ordering := InstallOrder
-	ks := newKindSorter(manifests, ordering)
-	sort.Sort(ks)
-	return ks.manifests
-}

scripts/validate-go.sh

@@ -1,51 +0,0 @@
-#!/usr/bin/env bash
-
-# 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.
-set -euo pipefail
-
-exit_code=0
-
-if ! hash gometalinter.v1 2>/dev/null ; then
-  go get -u gopkg.in/alecthomas/gometalinter.v1
-  gometalinter.v1 --install
-fi
-
-echo
-echo "==> Running static validations <=="
-# Run linters that should return errors
-gometalinter.v1 \
-  --disable-all \
-  --enable deadcode \
-  --severity deadcode:error \
-  --enable gofmt \
-  --enable ineffassign \
-  --enable misspell \
-  --enable vet \
-  --tests \
-  --vendor \
-  --deadline 60s \
-  ./... || exit_code=1
-
-echo
-echo "==> Running linters <=="
-# Run linters that should return warnings
-gometalinter.v1 \
-  --disable-all \
-  --enable golint \
-  --vendor \
-  --deadline 60s \
-  ./... || :
-
-exit $exit_code