Fork别人的仓库后如何同步原作者的代码

2019/08/12 Git

当我们Fork的别人的代码仓库后,如何同步原作者的的代码到自己Fork的仓库呢?

本文引自 https://gaohaoyang.github.io/2015/04/12/Syncing-a-fork/

具体方法

Configuring a remote for a fork

  • 给 fork 配置一个 remote

  • 主要使用 git remote -v 查看远程状态。

git remote -v
# origin  https://github.com/YOUR_USERNAME/YOUR_FORK.git (fetch)
# origin  https://github.com/YOUR_USERNAME/YOUR_FORK.git (push)
  • 添加一个将被同步给 fork 远程的上游仓库
git remote add upstream https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git
  • 再次查看状态确认是否配置成功。
git remote -v
# origin    https://github.com/YOUR_USERNAME/YOUR_FORK.git (fetch)
# origin    https://github.com/YOUR_USERNAME/YOUR_FORK.git (push)
# upstream  https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git (fetch)
# upstream  https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git (push)

Syncing a fork

  • 从上游仓库 fetch 分支和提交点,传送到本地,并会被存储在一个本地分支 upstream/master
    git fetch upstream
git fetch upstream
# remote: Counting objects: 75, done.
# remote: Compressing objects: 100% (53/53), done.
# remote: Total 62 (delta 27), reused 44 (delta 9)
# Unpacking objects: 100% (62/62), done.
# From https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY
#  * [new branch]      master     -> upstream/master
  • 切换到本地主分支(如果不在的话)
    git checkout master
git checkout master
# Switched to branch 'master'
  • 把 upstream/master 分支合并到本地 master 上,这样就完成了同步,并且不会丢掉本地修改的内容。
    git merge upstream/master
git merge upstream/master
# Updating a422352..5fdff0f
# Fast-forward
#  README                    |    9 -------
#  README.md                 |    7 ++++++
#  2 files changed, 7 insertions(+), 9 deletions(-)
#  delete mode 100644 README
#  create mode 100644 README.md
  • 如果想更新到 GitHub 的 fork 上,直接 git push origin master 就好了。

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