fix(helm): local path in requirements.yaml relative to working dir

closes bug: 2103

pkg/downloader/manager.go

@@ -325,14 +325,7 @@ func (m *Manager) getRepoNames(deps []*chartutil.Dependency) (map[string]string,
 	for _, dd := range deps {
 		// if dep chart is from local path, verify the path is valid
 		if strings.HasPrefix(dd.Repository, "file://") {
-			depPath, err := filepath.Abs(strings.TrimPrefix(dd.Repository, "file://"))
-			if err != nil {
-				return nil, err
-			}
-
-			if _, err = os.Stat(depPath); os.IsNotExist(err) {
-				return nil, fmt.Errorf("directory %s not found", depPath)
-			} else if err != nil {
+			if _, err := resolver.GetLocalPath(dd.Repository, m.ChartPath); err != nil {
 				return nil, err
 			}
 
@@ -537,17 +530,11 @@ func tarFromLocalDir(chartpath string, name string, repo string, version string)
 		return "", fmt.Errorf("wrong format: chart %s repository %s", name, repo)
 	}
 
-	origPath, err := filepath.Abs(strings.TrimPrefix(repo, "file://"))
+	origPath, err := resolver.GetLocalPath(repo, chartpath)
 	if err != nil {
 		return "", err
 	}
 
-	if _, err = os.Stat(origPath); os.IsNotExist(err) {
-		return "", fmt.Errorf("directory %s not found: %s", origPath, err)
-	} else if err != nil {
-		return "", err
-	}
-
 	ch, err := chartutil.LoadDir(origPath)
 	if err != nil {
 		return "", err

pkg/resolver/resolver.go

@@ -58,14 +58,8 @@ func (r *Resolver) Resolve(reqs *chartutil.Requirements, repoNames map[string]st
 	missing := []string{}
 	for i, d := range reqs.Dependencies {
 		if strings.HasPrefix(d.Repository, "file://") {
-			depPath, err := filepath.Abs(strings.TrimPrefix(d.Repository, "file://"))
-			if err != nil {
-				return nil, err
-			}
 
-			if _, err = os.Stat(depPath); os.IsNotExist(err) {
-				return nil, fmt.Errorf("directory %s not found", depPath)
-			} else if err != nil {
+			if _, err := GetLocalPath(d.Repository, r.chartpath); err != nil {
 				return nil, err
 			}
 
@@ -136,3 +130,28 @@ func HashReq(req *chartutil.Requirements) (string, error) {
 	s, err := provenance.Digest(bytes.NewBuffer(data))
 	return "sha256:" + s, err
 }
+
+// GetLocalPath generates absolute local path when use
+// "file://" in repository of requirements
+func GetLocalPath(repo string, chartpath string) (string, error) {
+	var depPath string
+	var err error
+	p := strings.TrimPrefix(repo, "file://")
+
+	// root path is absolute
+	if strings.HasPrefix(p, "/") {
+		if depPath, err = filepath.Abs(p); err != nil {
+			return "", err
+		}
+	} else {
+		depPath = filepath.Join(chartpath, p)
+	}
+
+	if _, err = os.Stat(depPath); os.IsNotExist(err) {
+		return "", fmt.Errorf("directory %s not found", depPath)
+	} else if err != nil {
+		return "", err
+	}
+
+	return depPath, nil
+}

pkg/resolver/resolver_test.go

@@ -81,12 +81,12 @@ func TestResolve(t *testing.T) {
 			name: "repo from valid local path",
 			req: &chartutil.Requirements{
 				Dependencies: []*chartutil.Dependency{
-					{Name: "signtest", Repository: "file://../../cmd/helm/testdata/testcharts/signtest", Version: "0.1.0"},
+					{Name: "signtest", Repository: "file://../../../../cmd/helm/testdata/testcharts/signtest", Version: "0.1.0"},
 				},
 			},
 			expect: &chartutil.RequirementsLock{
 				Dependencies: []*chartutil.Dependency{
-					{Name: "signtest", Repository: "file://../../cmd/helm/testdata/testcharts/signtest", Version: "0.1.0"},
+					{Name: "signtest", Repository: "file://../../../../cmd/helm/testdata/testcharts/signtest", Version: "0.1.0"},
 				},
 			},
 		},