In preparation for further customizability of the git configuration, extract
the current setup into a separate record type.
* gnu/services/version-control.scm (<gitolite-git-configuration>): New record
type.
(gitolite-git-configuration-compiler): And gexp compiler for it.
(<gitolite-configuration>): Add git-config field.
(gitolite-activation): Use it.
* doc/guix.texi (Version Control Services): Document both.
Change-Id: I7658698a93f938f62f41a4fa45b72de1eeb14414
Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
a0ce5501ca