feat: Add --remote (#1387)

Co-authored-by: anqiansong <anqiansong@bytedance.com>

tools/goctl/util/file.go

@@ -17,6 +17,7 @@ import (
 const (
 	NL       = "\n"
 	goctlDir = ".goctl"
+	gitDir   = ".git"
 )
 
 var goctlHome string
@@ -82,6 +83,16 @@ func GetGoctlHome() (string, error) {
 	return filepath.Join(home, goctlDir), nil
 }
 
+// GetGitHome returns the git home of goctl.
+func GetGitHome() (string, error) {
+	goctlH, err := GetGoctlHome()
+	if err != nil {
+		return "", err
+	}
+
+	return filepath.Join(goctlH, gitDir), nil
+}
+
 // GetTemplateDir returns the category path value in GoctlHome where could get it by GetGoctlHome
 func GetTemplateDir(category string) (string, error) {
 	goctlHome, err := GetGoctlHome()