builder: Support for --no-cache

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
blocklayerhq · Nov 1, 2018 · 611f46c · 611f46c
1 parent 8e188cc
commit 611f46c
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Showing 3 changed files with 17 additions and 4 deletions.
diff --git a/cmd/build.go b/cmd/build.go
@@ -18,25 +18,32 @@ var buildCmd = &cobra.Command{
 		if err != nil {
 			ui.Fatal("unable to resolve flag: %v", err)
 		}
+		noCache, err := cmd.Flags().GetBool("no-cache")
+		if err != nil {
+			ui.Fatal("unable to resolve flag: %v", err)
+		}
+
 		rootDir := getCwd(cmd)
 		name := filepath.Base(rootDir)
-		build(name, rootDir, verbose)
+		build(name, rootDir, verbose, noCache)
 	},
 }
 
 func init() {
 	buildCmd.Flags().String("cwd", ".", "specifies the current working directory")
 	buildCmd.Flags().BoolP("verbose", "v", false, "enable verbose mode")
+	buildCmd.Flags().Bool("no-cache", false, "disable caching")
 
 	rootCmd.AddCommand(buildCmd)
 }
 
-func build(name, rootDir string, verbose bool) {
+func build(name, rootDir string, verbose, noCache bool) {
 	ctx := context.Background()
 	ui.Info("Building %s", name)
 	b := builder.New(rootDir, name)
 	opts := builder.BuildOpts{
 		Verbose: verbose,
+		NoCache: noCache,
 	}
 	if err := b.Build(ctx, opts); err != nil {
 		ui.Fatal("Failed to build the application: %v", err)

diff --git a/cmd/create.go b/cmd/create.go
@@ -47,7 +47,7 @@ func create(name, rootDir string) {
 		ui.Fatal("Failed to initialize: %v", err)
 	}
 
-	build(name, rootDir, false)
+	build(name, rootDir, false, false)
 
 	ui.Success("Sucess! Created %s at %s", ui.Emphasize(name), ui.Emphasize(rootDir))
 	printGettingStarted(name)

diff --git a/pkg/builder/builder.go b/pkg/builder/builder.go
@@ -20,6 +20,7 @@ type Builder struct {
 // BuildOpts contains a list of build options.
 type BuildOpts struct {
 	Verbose bool
+	NoCache bool
 }
 
 // New creates a new Builder.
@@ -33,7 +34,12 @@ func New(rootDir, name string) *Builder {
 
 // Build executes a build.
 func (b *Builder) Build(ctx context.Context, opts BuildOpts) error {
-	cmd := exec.CommandContext(ctx, "docker", "build", "-t", b.name, b.rootDir)
+	args := []string{"build", "-t", b.name}
+	if opts.NoCache {
+		args = append(args, "--no-cache")
+	}
+	args = append(args, b.rootDir)
+	cmd := exec.CommandContext(ctx, "docker", args...)
 	outReader, err := cmd.StdoutPipe()
 	if err != nil {
 		return err