Use git service string but not int

Author: lunny

cmd/dump_repo.go

@@ -8,11 +8,11 @@ import (
 	"context"
 	"strings"
 
+	"code.gitea.io/gitea/modules/convert"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/migrations"
 	"code.gitea.io/gitea/modules/migrations/base"
 	"code.gitea.io/gitea/modules/setting"
-	"code.gitea.io/gitea/modules/structs"
 
 	"github.com/urfave/cli"
 )
@@ -24,10 +24,10 @@ var CmdDumpRepository = cli.Command{
 	Description: "This is a command for dumping the repository data.",
 	Action:      runDumpRepository,
 	Flags: []cli.Flag{
-		cli.IntFlag{
+		cli.StringFlag{
 			Name:  "git_service",
-			Value: 1,
-			Usage: "Git service, 1 plain git, 2 github, 3 gitea, 4 gitlab",
+			Value: "",
+			Usage: "Git service, git, github, gitea, gitlab",
 		},
 		cli.StringFlag{
 			Name:  "repo_dir, r",
@@ -85,7 +85,7 @@ func runDumpRepository(ctx *cli.Context) error {
 	setting.InitDBConfig()
 
 	var opts = base.MigrateOptions{
-		GitServiceType: structs.GitServiceType(ctx.Int("git_service")),
+		GitServiceType: convert.ToGitServiceType(ctx.String("git_service")),
 		CloneAddr:      ctx.String("clone_addr"),
 		AuthUsername:   ctx.String("auth_username"),
 		AuthPassword:   ctx.String("auth_password"),

docs/content/doc/usage/command-line.en-us.md

@@ -447,7 +447,7 @@ Manage running server operations:
 Dump-repo dumps repository data from git/github/gitea/gitlab:
 
 - Options:
-  - `--git_service service` : Git service, 1 plain git, 2 github, 3 gitea, 4 gitlab
+  - `--git_service service` : Git service, it could be `git`, `github`, `gitea`, `gitlab`
   - `--repo_dir dir`, `-r dir`: Repository dir path to store the data 
   - `--clone_addr addr`: The URL will be clone, currently could be a git/github/gitea/gitlab http/https URL. i.e. https://github.com/lunny/tango.git
   - `--auth_username lunny`: The username to visit the clone_addr