Added '-f' flag to view specific manifest file instead of entire chart

cmd/tide/engine.go

@@ -11,8 +11,8 @@ import (
 
 var env = environment.New()
 
-func readManifest(installArg string) (string, error) {
-	chfi, err := chartutil.LoadChart(installArg)
+func readManifest(chart string) (string, error) {
+	chfi, err := chartutil.LoadChart(chart)
 	if err != nil {
 		return "", err
 	}
@@ -37,11 +37,13 @@ func readManifest(installArg string) (string, error) {
 
 	b := bytes.NewBuffer(nil)
 	for name, file := range files {
-		// Ignore empty documents because the Kubernetes library can't handle
-		// them.
-		if len(file) > 0 {
-			b.WriteString("\n---\n# Source: " + name + "\n")
-			b.WriteString(file)
+		if manifest_file == "" || manifest_file == name {
+			// Ignore empty documents because the Kubernetes library can't handle
+			// them.
+			if len(file) > 0 {
+				b.WriteString("\n---\n# Source: " + name + "\n")
+				b.WriteString(file)
+			}
 		}
 	}
 

cmd/tide/render.go

@@ -41,5 +41,6 @@ func setupRenderEnv(args []string) {
 
 func init() {
 	renderCmd.Flags().BoolVarP(&verbose, "verbose", "v", false, "enable verbose render")
+	renderCmd.Flags().StringVarP(&manifest_file, "file", "f", "", "view manifest file")
 	RootCommand.AddCommand(renderCmd)
 }

cmd/tide/tide.go

@@ -16,6 +16,8 @@ var (
 	watch bool
 	// delete enables automatic deletion on exit
 	deletion bool
+	// manifest file
+	manifest_file string
 )
 
 var globalUsage = `The Kubernetes package renderer