修改git过滤文件

cmd/devpack/commands/diff.go

@@ -0,0 +1,45 @@
+package commands
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func newDiffCmd() *cobra.Command {
+	var (
+		current    bool
+		with       string
+		collectors string
+		output     string
+	)
+
+	cmd := &cobra.Command{
+		Use:   "diff <pack-name>",
+		Short: "对比环境差异",
+		Long:  `对比两个环境之间的差异。`,
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			packName := args[0]
+
+			if current {
+				fmt.Printf("🔍 Comparing \"%s\" with current environment...\n\n", packName)
+			} else if with != "" {
+				fmt.Printf("🔍 Comparing \"%s\" with \"%s\"...\n\n", packName, with)
+			} else {
+				return fmt.Errorf("请指定对比目标: --current 或 --with <pack-name>")
+			}
+
+			// TODO: Implement diff logic
+			fmt.Println("(diff not yet implemented)")
+			return nil
+		},
+	}
+
+	cmd.Flags().BoolVar(&current, "current", false, "与当前环境对比")
+	cmd.Flags().StringVar(&with, "with", "", "与另一个 Pack 对比")
+	cmd.Flags().StringVarP(&collectors, "collectors", "c", "", "只对比指定采集器")
+	cmd.Flags().StringVarP(&output, "output", "o", "table", "输出格式 (table|json|yaml)")
+
+	return cmd
+}