FLAG: add --no-color to disable color in the output, fixes #17

Author: Jeff Knurek

main.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/mgutz/ansi"
 	"github.com/spf13/cobra"
 	"k8s.io/helm/pkg/helm"
 
@@ -53,6 +54,10 @@ func main() {
 				diff.suppressedKinds = append(diff.suppressedKinds, "Secret")
 			}
 
+			if nc, _ := cmd.Flags().GetBool("no-color"); nc {
+				ansi.DisableColors(true)
+			}
+
 			diff.release = args[0]
 			diff.chart = args[1]
 			if diff.client == nil {
@@ -65,6 +70,7 @@ func main() {
 	f := cmd.Flags()
 	f.BoolP("version", "v", false, "show version")
 	f.BoolP("suppress-secrets", "q", false, "suppress secrets in the output")
+	f.Bool("no-color", false, "remove colors from the output")
 	f.VarP(&diff.valueFiles, "values", "f", "specify values in a YAML file (can specify multiple)")
 	f.StringArrayVar(&diff.values, "set", []string{}, "set values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2)")
 	f.BoolVar(&diff.reuseValues, "reuse-values", false, "reuse the last release's values and merge in any new values")