Validated PR #14 and fixed issues for the PR

revel/build.go

@@ -12,12 +12,17 @@ import (
 )
 
 var cmdBuild = &Command{
-	UsageLine: "build [import path] [target path]",
+	UsageLine: "build [import path] [target path] [run mode]",
 	Short:     "build a Revel application (e.g. for deployment)",
 	Long: `
 Build the Revel web application named by the given import path.
 This allows it to be deployed and run on a machine that lacks a Go installation.
 
+The run mode is used to select which set of app.conf configuration should
+apply and may be used to determine logic in the application itself.
+
+Run mode defaults to "prod".
+
 WARNING: The target path will be completely deleted, if it already exists!
 
 For example:
@@ -31,14 +36,20 @@ func init() {
 }
 
 func buildApp(args []string) {
-	if len(args) != 3 {
+	if len(args) < 2 {
 		fmt.Fprintf(os.Stderr, "%s\n%s", cmdBuild.UsageLine, cmdBuild.Long)
 		return
 	}
 
-	appImportPath, destPath, mode := args[0], args[1], args[2]
+	appImportPath, destPath, mode := args[0], args[1], "prod"
+	if len(args) >= 3 {
+		mode = args[2]
+	}
+
+	fmt.Println("mode:", mode)
+
 	if !revel.Initialized {
-		revel.Init("", appImportPath, "")
+		revel.Init(mode, appImportPath, "")
 	}
 
 	// First, verify that it is either already empty or looks like a previous