cmd: add init-plugin command for plugin scaffolding [minor-release]

cmd/init-plugin.go

@@ -0,0 +1,74 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+	u "github.com/tanq16/claudex/utils"
+)
+
+var initPluginCmd = &cobra.Command{
+	Use:   "init-plugin <name>",
+	Short: "Scaffold a Claude Code plugin directory",
+	Args:  cobra.ExactArgs(1),
+	Run:   runInitPlugin,
+}
+
+func runInitPlugin(cmd *cobra.Command, args []string) {
+	name := args[0]
+
+	cwd, err := os.Getwd()
+	if err != nil {
+		u.PrintFatal("failed to resolve current directory", err)
+	}
+	target := filepath.Join(cwd, name)
+
+	if _, err := os.Stat(target); err == nil {
+		u.PrintFatal(fmt.Sprintf("%s already exists; refusing to overwrite", target), nil)
+	}
+
+	if err := os.MkdirAll(target, 0o755); err != nil {
+		u.PrintFatal("failed to create plugin scaffold", err)
+	}
+	for _, sub := range []string{"skills", "agents", "hooks", "output-styles"} {
+		dir := filepath.Join(target, sub)
+		if err := os.MkdirAll(dir, 0o755); err != nil {
+			u.PrintFatal("failed to create plugin scaffold", err)
+		}
+		if err := os.WriteFile(filepath.Join(dir, ".gitkeep"), nil, 0o644); err != nil {
+			u.PrintFatal("failed to create plugin scaffold", err)
+		}
+	}
+
+	if err := os.MkdirAll(filepath.Join(target, ".claude-plugin"), 0o755); err != nil {
+		u.PrintFatal("failed to create plugin scaffold", err)
+	}
+
+	files := []struct {
+		path string
+		body any
+	}{
+		{filepath.Join(target, ".claude-plugin", "plugin.json"), map[string]any{"name": name, "version": "0.0.1"}},
+		{filepath.Join(target, ".mcp.json"), map[string]any{"mcpServers": map[string]any{}}},
+		{filepath.Join(target, ".lsp.json"), map[string]any{}},
+		{filepath.Join(target, "settings.json"), map[string]any{}},
+	}
+	for _, f := range files {
+		if err := writeJSON(f.path, f.body); err != nil {
+			u.PrintFatal("failed to create plugin scaffold", err)
+		}
+	}
+
+	u.PrintSuccess(fmt.Sprintf("Created plugin scaffold at %s", target))
+}
+
+func writeJSON(path string, v any) error {
+	data, err := json.MarshalIndent(v, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(path, append(data, '\n'), 0o644)
+}

cmd/root.go

@@ -66,4 +66,5 @@ func init() {
 	rootCmd.AddCommand(launchCmd)
 	rootCmd.AddCommand(configureCmd)
 	rootCmd.AddCommand(aiDocsCmd)
+	rootCmd.AddCommand(initPluginCmd)
 }