fix(helm): fix search bugs

This fixes three things:
- #741 output is wrong
- #743 nil pointer error because of unchecked error
- Printing "Chart:" string in output

cmd/helm/search.go

@@ -32,7 +32,6 @@ func search(cmd *cobra.Command, args []string) error {
 		return err
 	}
 	if len(results) > 0 {
-		cmd.Println("Charts:")
 		for _, result := range results {
 			fmt.Println(result)
 		}
@@ -68,11 +67,19 @@ func searchCacheForPattern(dir string, search string) ([]string, error) {
 	})
 	matches := []string{}
 	for _, f := range fileList {
-		index, _ := repo.LoadIndexFile(f)
+		index, err := repo.LoadIndexFile(f)
+		if err != nil {
+			return matches, fmt.Errorf("index %s corrupted: %s", f, err)
+		}
+
 		m := searchChartRefsForPattern(search, index.Entries)
 		repoName := strings.TrimSuffix(filepath.Base(f), "-index.yaml")
 		for _, c := range m {
-			matches = append(matches, repoName+"/"+c)
+			// TODO: Is it possible for this file to be missing? Or to have
+			// an extension other than .tgz? Should the actual filename be in
+			// the YAML?
+			fname := filepath.Join(repoName, c+".tgz")
+			matches = append(matches, fname)
 		}
 	}
 	return matches, nil

cmd/helm/search_test.go

@@ -23,10 +23,10 @@ var searchTestCases = []searchTestCase{
 
 var searchCacheTestCases = []searchTestCase{
 	{"notthere", []string{}},
-	{"odd", []string{"foobar/oddness-1.2.3"}},
-	{"sumtin", []string{"local/alpine-1.0.0", "foobar/oddness-1.2.3"}},
-	{"foobar", []string{"foobar/foobar-0.1.0"}},
-	{"web", []string{"local/nginx-0.1.0"}},
+	{"odd", []string{"foobar/oddness-1.2.3.tgz"}},
+	{"sumtin", []string{"local/alpine-1.0.0.tgz", "foobar/oddness-1.2.3.tgz"}},
+	{"foobar", []string{"foobar/foobar-0.1.0.tgz"}},
+	{"web", []string{"local/nginx-0.1.0.tgz"}},
 }
 
 func validateEntries(t *testing.T, in string, found []string, expected []string) {