mugit @ 1c4878aa8ce5e6fff14b73da9e4036410f91eab9

M internal/cli/cli.go

@@ -86,6 +86,14 @@ Arguments: []cli.Argument{
 							&cli.StringArg{Name: "name"},
 						},
 					},
+					{
+						Name:   "checkout",
+						Usage:  "switch branches in repo",
+						Action: c.repoCheckoutAction,
+						Arguments: []cli.Argument{
+							&cli.StringArg{Name: "name"},
+						},
+					},
 				},
 			},
 		},

M internal/cli/repo.go

@@ -13,12 +13,10 @@ "olexsmir.xyz/mugit/internal/git"
 )
 
 func (c *Cli) repoNewAction(ctx context.Context, cmd *cli.Command) error {
-	name := cmd.StringArg("name")
+	name, err := c.getRepoNameArg(cmd)
 	if name == "" {
-		return fmt.Errorf("no name provided")
+		return err
 	}
-
-	name = strings.TrimRight(name, ".git") + ".git"
 
 	path, err := securejoin.SecureJoin(c.cfg.Repo.Dir, name)
 	if err != nil {
@@ -56,13 +54,11 @@ return nil
 }
 
 func (c *Cli) repoDescriptionAction(ctx context.Context, cmd *cli.Command) error {
-	name := cmd.StringArg("name")
+	name, err := c.getRepoNameArg(cmd)
 	if name == "" {
-		return fmt.Errorf("no name provided")
+		return err
 	}
 
-	name = strings.TrimRight(name, ".git") + ".git"
-
 	repo, err := c.openRepo(name)
 	if err != nil {
 		return fmt.Errorf("failed to open repo: %w", err)
@@ -85,13 +81,11 @@ return nil
 }
 
 func (c *Cli) repoPrivateAction(ctx context.Context, cmd *cli.Command) error {
-	name := cmd.StringArg("name")
+	name, err := c.getRepoNameArg(cmd)
 	if name == "" {
-		return fmt.Errorf("no name provided")
+		return err
 	}
 
-	name = strings.TrimRight(name, ".git") + ".git"
-
 	repo, err := c.openRepo(name)
 	if err != nil {
 		return fmt.Errorf("failed to open repo: %w", err)
@@ -110,3 +104,29 @@
 	slog.Info("new repo private status", "repo", name, "is_private", newStatus)
 	return nil
 }
+
+func (c *Cli) repoCheckoutAction(ctx context.Context, cmd *cli.Command) error {
+	name, err := c.getRepoNameArg(cmd)
+	if name == "" {
+		return err
+	}
+
+	repo, err := c.openRepo(name)
+	if err != nil {
+		return fmt.Errorf("failed to open repo: %w", err)
+	}
+
+	branch := cmd.Args().Get(0)
+	slog.Info("chaining repo head", "repo", name, "branch", branch)
+	err = repo.Checkout(branch)
+	return err
+}
+
+func (c *Cli) getRepoNameArg(cmd *cli.Command) (string, error) {
+	name := cmd.StringArg("name")
+	if name == "" {
+		return "", fmt.Errorf("no name provided")
+	}
+	name = strings.TrimRight(name, ".git") + ".git"
+	return name, nil
+}

M internal/git/repo.go

@@ -95,6 +95,12 @@ name := filepath.Base(g.path)
 	return strings.TrimSuffix(name, ".git")
 }
 
+func (g *Repo) Checkout(ref string) error {
+	head := plumbing.NewSymbolicReference(plumbing.HEAD,
+		plumbing.NewBranchReferenceName(ref))
+	return g.r.Storer.SetReference(head)
+}
+
 type Commit struct {
 	Message        string
 	AuthorEmail    string