# git配置多个远程仓库

**需求** 想要把项目同步备份到coding中一份，期望每次push代码时可以同步push到coding仓库中

**解决方案**

1. 在git仓库根目录执行 `git remote add --mirror=push coding git@git.coding.net:example/example.git`,添加一个镜像仓库，用来初始化镜像仓库数据或者pull镜像仓库数据时使用。

   > 对镜像仓库push数据时相当于执行`git push --mirror`，**会强制覆盖仓库中的数据** ，会以镜像的方式把包括所有分支和历史的commit提交到目标仓库
2. 执行

   ```bash
    git remote set-url origin --push --add git@git.coding.net:example/example.git
    git remote set-url origin --push --add git@github.com:example/example.git
   ```

   > **一定要把两个都设置上**:设置`origin`的pushurl为这两个远程仓库url，当设置了`pushurl`之后便不会再使用`url`作为默认的pushurl了，所以一定要把两个都设置上
3. 第一次设置后先执行`git push coding`把origin的代码镜像到coding仓库
4. 使用

   使用时修改文件之后只需要正常的执行`git push`便会向两个目标仓库都推送一遍。

\`\`\`git git config \[remote "origin"] url = <git@github.com>:example/example.git fetch = +refs/heads/*:refs/remotes/origin/* pushurl = <git@git.coding.net>:example/example.git pushurl = <git@github.com>:example/example.git \[branch "master"] remote = origin merge = refs/heads/master \[remote "coding"] url = <git@git.coding.net>:example/example.git mirror = true

\`\`\`

**另外** 不推荐在镜像仓库修改文件，但是如果真的在镜像仓库修改了文件而需要同步到原始仓库，那么先`git pull coding`获取镜像仓库的最新代码，然后`check out origin master` ,然后在merge代码过来。具体可以借鉴[Syncing a fork](https://help.github.com/articles/syncing-a-fork/)GitHub官网的fork代码同步的操作步骤，

**参考** [git push如何至两个git仓库 - SegmentFault 思否](https://segmentfault.com/q/1010000000646988) [准备更换git托管，如何迁移原git仓库 - SegmentFault 思否](https://segmentfault.com/q/1010000000124379) [git本地仓库关联多个remote,怎么用本地一个分支向不同remote不同分支推送代码？ - 知乎](https://www.zhihu.com/question/46543115)


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