前言
在项目变动时，经常会迁移git仓库，这个时候完整的迁移git仓库，有利于后期的维护，因为git仓库里面包含了项目的各个分支，提交历史等
git仓库完整迁移
源库：gitlab@github.news.com/groups:test.com.git
目标库: gitlab@github.xx.com/newgroups:newtest.com.git
1.克隆git的版本库
git clone --bare gitlab@github.news.com/groups:test.com.git
Initialized empty Git repository in /home/test/test.com.git/
remote: Counting objects: 8569, done.
remote: Compressing objects: 100% (2606/2606), done.
remote: Total 8569 (delta 6374), reused 7917 (delta 5793)
Receiving objects: 100% (8569/8569), 83.36 MiB | 9.57 MiB/s, done.
Resolving deltas: 100% (6374/6374), done.
2.去目标仓库设置，将Protect保护去掉，如下图红框部分
gitlab->group->newtest.com->点击设置->Protected branches
3.以镜像推送的方式上传代码到gitlab服务器上
git push --mirror gitlab@github.xx.com:newgroups/newtest.com.git
Counting objects: 8569, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (2025/2025), done.
Writing objects: 100% (8569/8569), 83.36 MiB | 28.47 MiB/s, done.
Total 8569 (delta 6374), reused 8569 (delta 6374)
To gitlab@github.meizu.com:private/ba.meizu.com.git
+ 5269023...ec9c11e master -> master (forced update)
* [new branch] feature/eco -> feature/eco
* [new branch] origin/feature/eco -> origin/feature/eco
注意事项
1.git仓库迁移前，目标仓库需要先创建，且为空
2.需要事先将仓库的protect权限去掉，否则在git push的时候会报错
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