git协议使用代理

Host github.com
        User git
        # ProxyCommand netcat -X 5 -x <socks_host>:<socks_port> %h %p
        ProxyCommand netcat -x <socks_host>:<socks_port> %h %p

NAME
     nc — arbitrary TCP and UDP connections and listens

SYNOPSIS
     nc [-46bCDdFhklNnrStUuvZz] [-I length] [-i interval] [-M ttl] [-m minttl]
        [-O length] [-P proxy_username] [-p source_port] [-q seconds] [-s source]
        [-T keyword] [-V rtable] [-W recvlimit] [-w timeout] [-X proxy_protocol]
        [-x proxy_address[:port]] [destination] [port]

-X proxy_protocol
        Use proxy_protocol when talking to the proxy server.  Supported protocols
        are 4 (SOCKS v.4), 5 (SOCKS v.5) and connect (HTTPS proxy).  If the proto‐
        col is not specified, SOCKS version 5 is used.

-x proxy_address[:port]
        Connect to destination using a proxy at proxy_address and port.  If port
        is not specified, the well-known port for the proxy protocol is used (1080
        for SOCKS, 3128 for HTTPS).  An IPv6 address can be specified unambigu‐
        ously by enclosing proxy_address in square brackets.  A proxy cannot be
        used with any of the options -lsuU.