Implement temp file cleanup for chartify and helmfile temp files

Co-authored-by: yxxhero <11087727+yxxhero@users.noreply.github.com>

cmd/root.go

@@ -68,6 +68,14 @@ func NewRootCmd(globalConfig *config.GlobalOptions) (*cobra.Command, error) {
 			}
 			logger = helmexec.NewLogger(logOut, logLevel)
 			globalConfig.SetLogger(logger)
+
+			// Clean up old temporary files if enabled
+			if globalConfig.CleanupTempFiles {
+				if err := app.CleanupTempFiles(logger); err != nil {
+					logger.Warnf("Failed to cleanup temporary files: %v", err)
+				}
+			}
+
 			return nil
 		},
 	}
@@ -141,6 +149,7 @@ The name of a release can be used as a label: "--selector name=myrelease"`)
 	fs.BoolVar(&globalOptions.EnableLiveOutput, "enable-live-output", globalOptions.EnableLiveOutput, `Show live output from the Helm binary Stdout/Stderr into Helmfile own Stdout/Stderr.
 It only applies for the Helm CLI commands, Stdout/Stderr for Hooks are still displayed only when it's execution finishes.`)
 	fs.BoolVarP(&globalOptions.Interactive, "interactive", "i", false, "Request confirmation before attempting to modify clusters")
+	fs.BoolVar(&globalOptions.CleanupTempFiles, "cleanup-temp-files", true, "Clean up temporary files and directories from previous runs on startup")
 	// avoid 'pflag: help requested' error (#251)
 	fs.BoolP("help", "h", false, "help for helmfile")
 }

pkg/app/app.go

@@ -2270,3 +2270,37 @@ func GetArgs(args string, state *state.HelmState) []string {
 
 	return state.HelmDefaults.Args
 }
+
+// CleanupTempFiles removes leftover temporary files and directories from previous runs
+func CleanupTempFiles(logger *zap.SugaredLogger) error {
+	if logger == nil {
+		return nil
+	}
+	
+	tmpDir := os.TempDir()
+	entries, err := os.ReadDir(tmpDir)
+	if err != nil {
+		return fmt.Errorf("reading temp directory %s: %v", tmpDir, err)
+	}
+	
+	var cleanupCount int
+	for _, entry := range entries {
+		name := entry.Name()
+		// Clean up old helmfile and chartify temporary files/directories
+		if strings.HasPrefix(name, "helmfile") || strings.HasPrefix(name, "chartify") {
+			fullPath := filepath.Join(tmpDir, name)
+			if err := os.RemoveAll(fullPath); err != nil {
+				logger.Warnf("Failed to remove temporary file/directory %s: %v", fullPath, err)
+			} else {
+				logger.Debugf("Cleaned up temporary file/directory: %s", fullPath)
+				cleanupCount++
+			}
+		}
+	}
+	
+	if cleanupCount > 0 {
+		logger.Debugf("Cleaned up %d temporary files/directories", cleanupCount)
+	}
+	
+	return nil
+}

pkg/config/global.go

@@ -70,6 +70,8 @@ type GlobalOptions struct {
 	Args string
 	// LogOutput is the writer to use for writing logs.
 	LogOutput io.Writer
+	// CleanupTempFiles enables cleanup of old temporary files on startup.
+	CleanupTempFiles bool
 }
 
 // Logger returns the logger to use.

pkg/state/helmx.go

@@ -249,8 +249,9 @@ func (st *HelmState) appendShowOnlyFlags(flags []string, showOnly []string) []st
 }
 
 type Chartify struct {
-	Opts  *chartify.ChartifyOpts
-	Clean func()
+	Opts         *chartify.ChartifyOpts
+	Clean        func()
+	AddToCleanup func(string) // Add function to track additional files/dirs for cleanup
 }
 
 func (st *HelmState) downloadChartWithGoGetter(r *ReleaseSpec) (string, error) {
@@ -312,6 +313,13 @@ func (st *HelmState) PrepareChartify(helm helmexec.Interface, release *ReleaseSp
 		st.removeFiles(filesNeedCleaning)
 	}
 
+	// Add function to track additional files/directories for cleanup
+	c.AddToCleanup = func(path string) {
+		filesNeedCleaning = append(filesNeedCleaning, path)
+	}
+	
+	c.Clean = clean
+
 	var shouldRun bool
 
 	dir := chart

pkg/state/state.go

@@ -1342,6 +1342,10 @@ func (st *HelmState) PrepareCharts(helm helmexec.Interface, dir string, concurre
 						return
 					} else {
 						chartPath = out
+						// Track the chartify output directory for cleanup
+						if chartification != nil && chartification.AddToCleanup != nil {
+							chartification.AddToCleanup(out)
+						}
 					}
 
 					// Skip `helm dep build` and `helm dep up` altogether when the chart is from remote or the dep is