命令如下
git remote add theirusername git@github.com:theirusername/reponame.git
git fetch theirusername
git checkout -b mynamefortheirbranch theirusername/theirbranch
命令如下
git remote add theirusername git@github.com:theirusername/reponame.git
git fetch theirusername
git checkout -b mynamefortheirbranch theirusername/theirbranch