一、
删除原有远程仓库地址 git remote rm origin 添加新的仓库地址 cd existing_repo
git remote add origin <URL> git push -u origin --all
git push -u origin --tags
二、
git clone --mirror <URL to my OLD repo location>
cd <New directory where your OLD repo was cloned>
git remote set-url origin <URL to my NEW repo location>
git push -f origin