feat!: change to new design

* main package is moved to root
* lint contains linter
* message contains commit message and parser wrap
* config contains helpers for linter, parsing config file, defaults
* rule contains linter rules
* formatter contains linter result formatting
* cmd contains cli

Author: muthukrishnan24

cmd/callback.go

@@ -0,0 +1,84 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/urfave/cli/v2"
+
+	"github.com/conventionalcommit/commitlint/config"
+	"github.com/conventionalcommit/commitlint/hook"
+)
+
+const (
+	// ErrExitCode represent error exit code
+	ErrExitCode = 1
+
+	// HookDir represent default hook directory
+	HookDir = ".commitlint/hooks"
+)
+
+// VersionCallback is the version command callback
+var VersionCallback = func() error {
+	fmt.Println("commitlint")
+	return nil
+}
+
+func initCallback(ctx *cli.Context) (retErr error) {
+	// get user home dir
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return err
+	}
+
+	// create hooks dir
+	hookDir := filepath.Join(homeDir, filepath.Clean(HookDir))
+	err = os.MkdirAll(hookDir, os.ModePerm)
+	if err != nil {
+		return err
+	}
+
+	// create hook file
+	err = hook.WriteToFile(hookDir)
+	if err != nil {
+		return err
+	}
+
+	isGlobal := ctx.Bool("global")
+	return setGitConf(hookDir, isGlobal)
+}
+
+func lintCallback(ctx *cli.Context) error {
+	confFilePath := ctx.String("config")
+	fileInput := ctx.String("message")
+
+	resStr, hasError, err := runLint(confFilePath, fileInput)
+	if err != nil {
+		return cli.Exit(err, ErrExitCode)
+	}
+
+	if hasError {
+		return cli.Exit(resStr, ErrExitCode)
+	}
+
+	fmt.Println(resStr)
+	return nil
+}
+
+func hookCreateCallback(ctx *cli.Context) (retErr error) {
+	err := hook.WriteToFile(".")
+	if err != nil {
+		return cli.Exit(err, ErrExitCode)
+	}
+	return nil
+}
+
+func configCreateCallback(ctx *cli.Context) error {
+	isOnlyEnabled := ctx.Bool("enabled")
+	err := config.DefaultConfToFile(isOnlyEnabled)
+	if err != nil {
+		return cli.Exit(err, ErrExitCode)
+	}
+	return nil
+}

cmd/commitlint/cmd.go renamed to cmd/cmd.go

@@ -1,39 +1,33 @@
-package main
+// Package cmd contains commitlint cli
+package cmd
 
 import (
-	"fmt"
-
 	"github.com/urfave/cli/v2"
-
-	"github.com/conventionalcommit/commitlint"
 )
 
-func getApp() *cli.App {
+// GetApp returns commitlint cli.App
+func GetApp() *cli.App {
 	createCmd := &cli.Command{
 		Name:  "create",
-		Usage: "for creating commitlint conf, hooks",
+		Usage: "create commitlint config, hooks files",
 		Subcommands: []*cli.Command{
 			{
-				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:   "config",
+				Usage:  "creates commitlint.yaml in current directory",
+				Action: configCreateCallback,
+				Flags: []cli.Flag{
+					&cli.BoolFlag{
+						Name:    "enabled",
+						Aliases: []string{"e"},
+						Usage:   "writes only default enabled rules to file",
+						Value:   false,
+					},
 				},
 			},
 			{
-				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
-				},
+				Name:   "hook",
+				Usage:  "creates commit-msg file in current directory",
+				Action: hookCreateCallback,
 			},
 		},
 	}
@@ -46,7 +40,7 @@ func getApp() *cli.App {
 			&cli.BoolFlag{
 				Name:    "global",
 				Aliases: []string{"g"},
-				Usage:   "sets git hook config in global",
+				Usage:   "sets git hook in global config",
 			},
 		},
 	}
@@ -75,8 +69,7 @@ func getApp() *cli.App {
 		Name:  "version",
 		Usage: "prints commitlint version",
 		Action: func(c *cli.Context) error {
-			fmt.Printf("commitlint - %s\n", commitlint.Version)
-			return nil
+			return VersionCallback()
 		},
 	}