git之git pull

颇为阿娇978

　　刚开始接触github，然后就使用git客户端来进行操作，遇到git pull时，总感觉有git fetch和git merge了，为何还要git pull呢？特意翻了git的帮助文档看了下。
git pull [options] [ […]]　　Fetch from and integrate with another repository or a local branch
　　从另一个仓库或者本地的分支获取并且合并到当前的分支中。
　　In its default mode, git pull is shorthand for git fetch followed by git merge FETCH_HEAD.
　　默认情况，git pull 等于在git fetch 之后git merge FETCH_HEAD。
　　 should be the name of a remote repository as passed to git-fetch(1).  can name an arbitrary remote ref (for example, the name of a tag) or even a collection of refs with corresponding remote-tracking branches (e.g., refs/heads/*:refs/remotes/origin/*), but usually it is the name of a branch in the remote repository.
　　repository必须是一个远程的仓库，refspec可以是一个远程仓库上的分支。
　　Update the remote-tracking branches for the repository you cloned from, then merge one of them into your current branch:
git pull origin　　从先前克隆的远程仓库更新到本地分支
　　Merge into the current branch the remote branch next:
git pull origin next　　合并远程仓库的的分支next到本地分支中
　　If you tried a pull which resulted in complex conflicts and would want to start over, you can recover with git reset
　　如果发现有很多冲突，可以利用git reset来撤销
　　相关：
　　git remote add origin git@github.com:ggwhsd/hello-world.git   //连接远程github项目
　　git remote rm origin //删除远程，若上述报错，可以使用
　　git push -u origin master   //将本地项目更新到github项目上去