feat: 增加命令行工具的干运行模式和输出目录选项

cmd/new_provider.go

@@ -27,16 +27,24 @@ func CommandNewProvider(root *cobra.Command) {
 }
 
 func commandNewProviderE(cmd *cobra.Command, args []string) error {
-	providerName := args[0]
-	targetPath := filepath.Join("providers", providerName)
+    providerName := args[0]
+    // shared flags
+    dryRun, _ := cmd.Flags().GetBool("dry-run")
+    baseDir, _ := cmd.Flags().GetString("dir")
 
-	if _, err := os.Stat(targetPath); err == nil {
-		return fmt.Errorf("目录 %s 已存在", targetPath)
-	}
+    targetPath := filepath.Join(baseDir, "providers", providerName)
 
-	if err := os.MkdirAll(targetPath, os.ModePerm); err != nil {
-		return err
-	}
+    if _, err := os.Stat(targetPath); err == nil {
+        return fmt.Errorf("目录 %s 已存在", targetPath)
+    }
+
+    if dryRun {
+        fmt.Printf("[dry-run] mkdir -p %s\n", targetPath)
+    } else {
+        if err := os.MkdirAll(targetPath, os.ModePerm); err != nil {
+            return err
+        }
+    }
 
 	err := fs.WalkDir(templates.Provider, "provider", func(path string, d fs.DirEntry, err error) error {
 		if err != nil {
@@ -51,26 +59,35 @@ func commandNewProviderE(cmd *cobra.Command, args []string) error {
 			return err
 		}
 
-		destPath := filepath.Join(targetPath, strings.TrimSuffix(relPath, ".tpl"))
-		if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
-			return err
-		}
+        destPath := filepath.Join(targetPath, strings.TrimSuffix(relPath, ".tpl"))
+        if dryRun {
+            fmt.Printf("[dry-run] mkdir -p %s\n", filepath.Dir(destPath))
+        } else {
+            if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
+                return err
+            }
+        }
 
 		tmpl, err := template.ParseFS(templates.Provider, path)
 		if err != nil {
 			return err
 		}
 
-		destFile, err := os.Create(destPath)
-		if err != nil {
-			return err
-		}
-		defer destFile.Close()
+        if dryRun {
+            fmt.Printf("[dry-run] render > %s\n", destPath)
+            return nil
+        }
 
-		return tmpl.Execute(destFile, map[string]string{
-			"Name":      providerName,
-			"CamelName": strcase.ToCamel(providerName),
-		})
+        destFile, err := os.Create(destPath)
+        if err != nil {
+            return err
+        }
+        defer destFile.Close()
+
+        return tmpl.Execute(destFile, map[string]string{
+            "Name":      providerName,
+            "CamelName": strcase.ToCamel(providerName),
+        })
 	})
 	if err != nil {
 		return errors.New("渲染 provider 模板失败")