git本地分支

1. 新建并切换到该分支

$ git checkout -b iss53

Switched to a new branch 'iss53'

相当于：

$ git branch iss53
$ git checkout iss53

2. 切换到分支

$ git checkout master
Switched to branch 'master'

3. 合并分支

git merge hotfix

合并hotfix到当前分支

（再运行一次 git status 来确认所有冲突都已解决）

4. 删除分支

$ git branch -d iss53

5. 使用合并工具

git mergetool

6. 查看

$ git log --pretty=format:'%h %s' --graph
* 734713b fixed refs handling, added gc auto, updated tests
*
d921970 Merge commit 'phedders/rdocs'
|\
| * 35cfb2b Some rdoc changes
* | 1c002dd added some blame and merge stuff
|/
* 1c36188 ignore *.gem
* 9b29157 add open3_detach to gemspec file list