Merge pull request #373 from joshwget/quiet-flag

Implement quiet flag for config subcommand

Author: vdemeester

cli/app/app.go

@@ -282,7 +282,9 @@ func ProjectConfig(p project.APIProject, c *cli.Context) error {
 	if err != nil {
 		return cli.NewExitError(err.Error(), 1)
 	}
-	fmt.Println(yaml)
+	if !c.Bool("quiet") {
+		fmt.Println(yaml)
+	}
 	return nil
 }
 

cli/command/command.go

@@ -59,6 +59,12 @@ func ConfigCommand(factory app.ProjectFactory) cli.Command {
 		Name:   "config",
 		Usage:  "Validate and view the compose file.",
 		Action: app.WithProject(factory, app.ProjectConfig),
+		Flags: []cli.Flag{
+			cli.BoolFlag{
+				Name:  "quiet,q",
+				Usage: "Only validate the configuration, don't print anything.",
+			},
+		},
 	}
 }