feat(init): Added a --force flag for overwriting an existing config.

cmd/init.go

@@ -11,10 +11,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// TODO: Add --force (-f) flag.
 var initCmd = &cobra.Command{
 	Use:   "init",
-	DisableFlagsInUseLine: true,
 	Short: "Set up envr",
 	Long: `The init command generates your initial config and saves it to
 ~/.envr/config in JSON format.
@@ -23,11 +21,10 @@ During setup, you will be prompted to select one or more ssh keys with which to
 encrypt your databse. **Make 100% sure** that you have **a remote copy** of this
 key somewhere, otherwise your data could be lost forever.`,
 	RunE: func(cmd *cobra.Command, args []string) error {
+		force, _ := cmd.Flags().GetBool("force")
 		config, _ := app.LoadConfig()
 
-		if config != nil {
-			return fmt.Errorf("You have already initialized envr")
-		} else {
+		if config == nil || force {
 			keys, err := selectSSHKeys()
 			if err != nil {
 				return fmt.Errorf("Error selecting SSH keys: %v", err)
@@ -43,13 +40,17 @@ key somewhere, otherwise your data could be lost forever.`,
 			}
 
 			fmt.Printf("Config initialized with %d SSH key(s). You are ready to use envr.\n", len(keys))
-		}
-
 			return nil
+		} else {
+			return fmt.Errorf(`You have already initialized envr.
+Run again with the --force flag if you want to reinitialize.
+`)
+		}
 	},
 }
 
 func init() {
+	initCmd.Flags().BoolP("force", "f", false, "Overwrite an existing config")
 	rootCmd.AddCommand(initCmd)
 }
 

docs/cli/envr_init.md

@@ -12,12 +12,13 @@ encrypt your databse. **Make 100% sure** that you have **a remote copy** of this
 key somewhere, otherwise your data could be lost forever.
 
 ```
-envr init
+envr init [flags]
 ```
 
 ### Options
 
 ```
+  -f, --force   Overwrite an existing config
   -h, --help    help for init
 ```