feat: add install subcommand with positional username argument

Author: fullstackjam

internal/cli/install.go

@@ -0,0 +1,76 @@
+package cli
+
+import (
+	"fmt"
+
+	"github.com/openbootdotdev/openboot/internal/auth"
+	"github.com/openbootdotdev/openboot/internal/config"
+	"github.com/openbootdotdev/openboot/internal/installer"
+	"github.com/openbootdotdev/openboot/internal/updater"
+	"github.com/spf13/cobra"
+)
+
+var installCmd = &cobra.Command{
+	Use:   "install [username]",
+	Short: "Set up your Mac dev environment",
+	Long: `Install and configure your Mac development environment.
+
+You can provide a username to install from that user's openboot.dev config,
+or run it interactively without arguments.`,
+	Example: `  # Interactive setup with package selection
+  openboot install
+
+  # Install from a user's cloud config
+  openboot install githubusername
+
+  # Quick setup with a preset
+  openboot install -p developer
+
+  # Preview changes without installing
+  openboot install --dry-run`,
+	Args: cobra.MaximumNArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		if len(args) > 0 && cfg.User == "" {
+			cfg.User = args[0]
+
+			var token string
+			if stored, err := auth.LoadToken(); err == nil && stored != nil {
+				token = stored.Token
+			}
+			rc, err := config.FetchRemoteConfig(cfg.User, token)
+			if err != nil {
+				return fmt.Errorf("error fetching remote config: %v", err)
+			}
+			cfg.RemoteConfig = rc
+			if cfg.Preset == "" {
+				cfg.Preset = rc.Preset
+			}
+		}
+
+		updater.AutoUpgrade(version)
+		cfg.Version = version
+		err := installer.Run(cfg)
+		if err == installer.ErrUserCancelled {
+			return nil
+		}
+		return err
+	},
+}
+
+func init() {
+	installCmd.Flags().SortFlags = false
+
+	installCmd.Flags().StringVarP(&cfg.Preset, "preset", "p", "", "use a preset: minimal, developer, full")
+	installCmd.Flags().StringVarP(&cfg.User, "user", "u", "", "install from openboot.dev/username config")
+	installCmd.Flags().BoolVarP(&cfg.Silent, "silent", "s", false, "non-interactive mode (for CI/CD)")
+	installCmd.Flags().BoolVar(&cfg.DryRun, "dry-run", false, "preview changes without installing")
+	installCmd.Flags().BoolVar(&cfg.Resume, "resume", false, "resume an incomplete installation")
+	installCmd.Flags().BoolVar(&cfg.PackagesOnly, "packages-only", false, "install packages only, skip system config")
+
+	installCmd.Flags().StringVar(&cfg.Shell, "shell", "", "shell setup: install, skip")
+	installCmd.Flags().StringVar(&cfg.Macos, "macos", "", "macOS preferences: configure, skip")
+	installCmd.Flags().StringVar(&cfg.Dotfiles, "dotfiles", "", "dotfiles: clone, link, skip")
+
+	installCmd.Flags().BoolVar(&cfg.Update, "update", false, "update Homebrew before installing")
+	installCmd.Flags().BoolVar(&cfg.Rollback, "rollback", false, "restore backed-up config files")
+}

internal/cli/root.go

@@ -98,6 +98,7 @@ func init() {
 	rootCmd.Flags().BoolVar(&cfg.Update, "update", false, "update Homebrew before installing")
 	rootCmd.Flags().BoolVar(&cfg.Rollback, "rollback", false, "restore backed-up config files")
 
+	rootCmd.AddCommand(installCmd)
 	rootCmd.AddCommand(versionCmd)
 	rootCmd.AddCommand(updateCmd)
 	rootCmd.AddCommand(doctorCmd)