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一 问题概述
今天在工作中遇到一个问题,使用很久的一个local git repository,里面只有develop分支,那么现在想将分支切换到master分支,问题来了,在切换到master分支时:
git checkout master
提示如下错误:
error: pathspec 'master' did not match any file(s) known to git
二 问题解决
1.首先我们看一下分支情况:
git branch -a
- * develop
- remotes/composer/develop
- remotes/composer/feature/194
- remotes/composer/feature/198
- remotes/composer/feature/199
- remotes/composer/feature/200
- remotes/composer/master
- remotes/origin/HEAD -> origin/develop
- remotes/origin/develop
- remotes/origin/feature/194
- remotes/origin/feature/198
- remotes/origin/feature/199
- remotes/origin/feature/200
- remotes/origin/master
2.如果没有看到你想要的分支,先获取所有分支:
git fetch
3.切换到远程master分支:
git checkout origin/master
提示如下:
- Note: checking out 'origin/master'.
-
- You are in 'detached HEAD' state. You can look around, make experimental
- changes and commit them, and you can discard any commits you make in this
- state without impacting any branches by performing another checkout.
-
- If you want to create a new branch to retain commits you create, you may
- do so (now or later) by using -b with the checkout command again. Example:
-
- git checkout -b new_branch_name
-
- HEAD is now at 4beea49... Merge branch 'develop' into 'master'
执行git branch,效果如下:
- * (detached from origin/master)
- develop
5.现在我们可以从当前的detached分支切换并新建分支,可以理解为即将新创建的分支是由当前detached 分支出来的(为了为后续做准备,此处新分支就叫做master):
git checkout -b master
5.这时我们使用git pull会提示如下错误:
- There is no tracking information for the current branch.
- Please specify which branch you want to merge with.
- See git-pull(1) for details
-
- git pull <remote> <branch>
-
- If you wish to set tracking information for this branch you can do so with:
-
- git branch --set-upstream-to=<remote>/<branch> master
说明我们新建立的master分支还不能和远程的master分支建立追踪关系(虽然表面我们看似已经建立了master分支,但git不认为它和远程的master有任何关系),当然,您可以按照上面提示那样,通过git pull指定远程的分支和本地的分支来进行更新,但此处我们使用提示中的第二种方式,建立本地分支和远程分支的追踪关系:
git branch -u origin/master master
6.这时我们执行git pull来看看什么反馈:
Already up-to-date.
总结:其实git的人性化做的非常的完备,有时我们不要惧怕提示,而要从中找到问题的解决方法,并时常利用好:
- man git
- man git branch
-
- and so forth!
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