在 Git 中修剪远程分支

本文将展示如何修剪（清理）在远程仓库中删除的远程跟踪分支。

例如，Alice 和 Bob 正在开发一个分支 feature/shared-branch。Bob 创建一个拉取请求，合并 feature/shared-branch，然后将其删除。

她在 Alice 这边执行 git pull origin feature/shared-branch。

$ git branch -a
* feature/shared-branch
  main
  remotes/origin/feature/shared-branch
  remotes/origin/main
$ git pull origin feature/shared-branch
fatal: couldn't find remote ref feature/shared-branch

尽管 remotes/origin/feature/shared-branch 出现在 git branch -a 下，执行 git pull origin feature/shared-branch 仍然会触发错误，因为 feature/shared-branch 已被删除远程仓库。

为了克服这个问题，Alice 应该清理 feature/shared-branch 的引用，它是 remotes/origin/feature/shared-branch。她可能会运行 git remote prune origin。

$ git remote prune origin
Pruning origin
URL: git@github.com:stwarts/git-demo.git
 * [pruned] origin/feature/shared-branch

git remote prune origin 执行检查。远程仓库中不存在的远程跟踪分支将被删除。

feature/shared-branch 已被 Bob 删除。在 Alice 执行 git remote prune origin 后，它的远程跟踪分支 remotes/origin/feature/shared-branch 将在 Alice 机器中被删除。