Git中@ {u}的含义是什么意思？ [英] What does the argument @{u} mean in Git?

问题描述

在第69页的Git：版本控制for Everyone。初学者指南一书中，有一个建议：作为 git pull 的替代方案，我们也可以使用 git fetch 后跟 git merge @ {u} 。

In the book "Git: Version Control for Everyone. Beginner's Guide" on page 69 there is a suggestion: "As an alternative to git pull, we can also use git fetch followed by git merge @{u}".

在这里 @ {u} 是指什么？

在Google中搜索 git merge @ {u} 提供此页面的链接 http://mislav.uniqpath.com/2013/02/merge-vs-rebase/ ，其中 @ {u} 也可以找到。

A search in Google for git merge @{u} provides a link to this page http://mislav.uniqpath.com/2013/02/merge-vs-rebase/ where @{u} can also be found.

推荐答案

这是一个快捷方式，可以引用当前分支正在跟踪的上游分支。因此，举例来说，如果您在分支 topic / fix_blub 跟踪 origin / topic / fix_blub ，则 git merge @ {u} 与做同样的事情git merge origin / topic / fix_blub 。

It is a shortcut to refer to the upstream branch which the current branch is tracking. So for instance if you're on branch topic/fix_blub which is tracking origin/topic/fix_blub then git merge @{u} does the same thing as git merge origin/topic/fix_blub.

@ {u} 是Git用于查找修订版的迷你语言的一部分，详细描述这里。

@{u} is part of Git's mini-language for locating revisions, which is described in detail here.

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