fix(cmd/run): fix the problem of looking for the cmd directory outside the project (#1166)

* fix(cmd/run): fix the problem of looking for the cmd directory outside the project

cmd/kratos/internal/run/run.go

@@ -68,6 +68,7 @@ func Run(cmd *cobra.Command, args []string) {
 }
 
 func findCMD(base string) (string, []string, error) {
+	var root bool
 	next := func(dir string) (string, []string, error) {
 		var (
 			cmdDir  string
@@ -88,6 +89,9 @@ func findCMD(base string) (string, []string, error) {
 				cmdDir = filepath.Join(walkPath, "..")
 				return nil
 			}
+			if info.Name() == "go.mod" {
+				root = true
+			}
 			return nil
 		})
 		return cmdDir, cmdPath, err
@@ -100,6 +104,9 @@ func findCMD(base string) (string, []string, error) {
 		if len(res) > 0 {
 			return cmdDir, res, nil
 		}
+		if root {
+			break
+		}
 		base = filepath.Join(base, "..")
 	}
 	return "", []string{base}, nil