Merge pull request #47 from mnottale/render-c-experimental

Render: mark compose file override as experimental.

Author: mnottale

cmd/render.go

@@ -5,19 +5,17 @@ import (
 	"os"
 	"strings"
 
+	"github.com/docker/lunchbox/internal"
 	"github.com/docker/lunchbox/renderer"
 	"github.com/spf13/cobra"
 	"gopkg.in/yaml.v2"
 )
 
 var renderCmd = &cobra.Command{
-	Use:   "render <app-name> [-c <compose-files>...] [-e key=value...] [-s settings-file...]",
+	Use:   "render <app-name> [-e key=value...] [-s settings-file...]",
 	Short: "Render the Compose file for this app",
 	Long: `Render generates a Compose file from the application's template and optional additional files.
-Override is provided in three different ways:
-- External Compose files or template Compose files can be specified with the -c flag.
-  (Repeat the flag for multiple files). These files will be merged in order with
-  the app's own Compose file.
+Override is provided in different ways:
 - External YAML settings files can be specified with the -f flag. All settings
   files are merged in order, the app's settings coming first.
 - Individual settings values can be passed directly on the command line with the
@@ -58,7 +56,13 @@ var renderEnv []string
 
 func init() {
 	rootCmd.AddCommand(renderCmd)
-	renderCmd.Flags().StringArrayVarP(&renderComposeFiles, "compose-files", "c", []string{}, "Override Compose files")
+	if internal.Experimental == "on" {
+		renderCmd.Use += " [-c <compose-files>...]"
+		renderCmd.Long += `- External Compose files or template Compose files can be specified with the -c flag.
+  (Repeat the flag for multiple files). These files will be merged in order with
+  the app's own Compose file.`
+		renderCmd.Flags().StringArrayVarP(&renderComposeFiles, "compose-files", "c", []string{}, "Override Compose files")
+	}
 	renderCmd.Flags().StringArrayVarP(&renderSettingsFile, "settings-files", "f", []string{}, "Override settings files")
 	renderCmd.Flags().StringArrayVarP(&renderEnv, "set", "s", []string{}, "Override settings values")
 }