From: Junio C Hamano <hidden> Date: 2016-06-15 22:54:30
mhagger@alum.mit.edu writes:
To add a new proxy, without altering any of the existing ones, use
------------
-% git config core.gitproxy '"proxy-command" for example.com'
+% git config --add core.gitproxy '"proxy-command" for example.com'
------------