###查看全局变量
git config --list
### error: RPC failed; curl 56 OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 10054
git config --global http.sslVerify "false"
### 下载指定仓库
git clone -b 分支名+仓库地址
git config --system --unset credential.helper
1.https://juejin.im/post/5a2cdfe26fb9a0452936b07f
2.http://www.ruanyifeng.com/blog/2015/12/git-cheat-sheet.html
