创建并切换到分支
git checkout -b dev
提交该分支
git add devbranch.txt
git commit -m "dev branch"
git push origin dev
回退1
git log
git reset --hard XXX 回退到指定版本号
git push -f origin dev 然后强制回退远程仓库
回退2
git revert XXXX 指定要干掉的已经提交的版本号
git commit -m "dev branch delete version"
git push origin dev
合并
git checkout master 切换到 master
git merge dev 将dev合并到master
git push origin master
标签
git tag v1.0 -m ‘tag message‘
git tag
git push origin v1.0
按标签拉代码
git clone --branch v1.0 git@github.com:xxx/ccccc.git
原文：https://www.cnblogs.com/ruanjianxian/p/10926533.html