feat!: add init command, change create behavior

* init - creates hook files and sets git config
* create hook - create hook file in current directory
* create config - create config file

Author: muthukrishnan24

cmd/commitlint/cmd.go

@@ -11,28 +11,46 @@ import (
 func getApp() *cli.App {
 	createCmd := &cli.Command{
 		Name:  "create",
-		Usage: "helpers for initializing commitlint",
+		Usage: "for creating commitlint conf, hooks",
 		Subcommands: []*cli.Command{
 			{
-				Name:   "config",
-				Usage:  "creates default commitlint.yaml in current directory",
-				Action: initConfCallback,
+				Name:  "config",
+				Usage: "creates commitlint.yaml in current directory",
+				Action: func(ctx *cli.Context) error {
+					err := commitlint.DefaultConfToFile(defConfFileName)
+					if err != nil {
+						return cli.Exit(err, exitCode)
+					}
+					return nil
+				},
 			},
 			{
-				Name:   "hook",
-				Usage:  "creates commit hook and sets git config",
-				Action: initHookCallback,
-				Flags: []cli.Flag{
-					&cli.BoolFlag{
-						Name:    "global",
-						Aliases: []string{"g"},
-						Usage:   "sets git hook config in global`",
-					},
+				Name:  "hook",
+				Usage: "creates commit-msg in current directory",
+				Action: func(ctx *cli.Context) (retErr error) {
+					err := commitlint.WriteHookToFile(commitMsgHook)
+					if err != nil {
+						return cli.Exit(err, exitCode)
+					}
+					return nil
 				},
 			},
 		},
 	}
 
+	initCmd := &cli.Command{
+		Name:   "init",
+		Usage:  "setup commitlint for git repos",
+		Action: initCallback,
+		Flags: []cli.Flag{
+			&cli.BoolFlag{
+				Name:    "global",
+				Aliases: []string{"g"},
+				Usage:   "sets git hook config in global",
+			},
+		},
+	}
+
 	lintCmd := &cli.Command{
 		Name:   "lint",
 		Usage:  "lints commit message",
@@ -63,9 +81,14 @@ func getApp() *cli.App {
 	}
 
 	return &cli.App{
-		Name:     "commitlint",
-		Usage:    "linter for conventional commits",
-		Action:   nil,
-		Commands: []*cli.Command{lintCmd, createCmd, versionCmd},
+		Name:   "commitlint",
+		Usage:  "linter for conventional commits",
+		Action: nil,
+		Commands: []*cli.Command{
+			createCmd,
+			initCmd,
+			lintCmd,
+			versionCmd,
+		},
 	}
 }

cmd/commitlint/main.go

@@ -31,15 +31,7 @@ func main() {
 	}
 }
 
-func initConfCallback(ctx *cli.Context) error {
-	err := commitlint.DefaultConfToFile(defConfFileName)
-	if err != nil {
-		return cli.Exit(err, exitCode)
-	}
-	return nil
-}
-
-func initHookCallback(ctx *cli.Context) (retErr error) {
+func initCallback(ctx *cli.Context) (retErr error) {
 	// get user home dir
 	homeDir, err := os.UserHomeDir()
 	if err != nil {