From 7b2baad390a3d80c38e531fd4a206a30da8b6ea8 Mon Sep 17 00:00:00 2001
From: Jingfang Liu <jingfangliu@google.com>
Date: Thu, 9 Aug 2018 13:15:39 -0700
Subject: [PATCH] Add -o flag to kustomize build

---
 pkg/commands/build.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkg/commands/build.go b/pkg/commands/build.go
index a270053c4..3b5941803 100644
--- a/pkg/commands/build.go
+++ b/pkg/commands/build.go
@@ -32,6 +32,7 @@ import (
 
 type buildOptions struct {
 	kustomizationPath string
+	outputPath        string
 }
 
 // newCmdBuild creates a new build command.
@@ -52,6 +53,10 @@ func newCmdBuild(out io.Writer, fs fs.FileSystem) *cobra.Command {
 			return o.RunBuild(out, fs)
 		},
 	}
+	cmd.Flags().StringVarP(
+		&o.outputPath,
+		"output", "o", "",
+		"If specified, write the build output to this path.")
 	return cmd
 }
 
@@ -98,6 +103,10 @@ func (o *buildOptions) RunBuild(out io.Writer, fSys fs.FileSystem) error {
 	if err != nil {
 		return err
 	}
+
+	if o.outputPath != "" {
+		return fSys.WriteFile(o.outputPath, res)
+	}
 	_, err = out.Write(res)
 	return err
 }