$ git config --global http.proxy 'socks5://127.0.0.1:1080'
$ git config --global https.proxy 'socks5://127.0.0.1:1080'
git config --global http.https://github.com.proxy socks5://127.0.0.1:1080
git config --global https.https://github.com.proxy socks5://127.0.0.1:1080
$ git config --list | grep proxy
http.proxy=socks5://127.0.0.1:1080
https.proxy=socks5://127.0.0.1:1080
git config --global --unset http.proxy
git config --global --unset https.proxy
git config --global --unset http.https://github.com.proxy
git config --global --unset https.https://github.com.proxy