$ git clone -n https://src.fedoraproject.org/rpms/gnome-control-center.git /var/lib/mock/f40-build-2442948-61078/root/chroot_tmpdir/scmroot/gnome-control-center
Cloning into '/var/lib/mock/f40-build-2442948-61078/root/chroot_tmpdir/scmroot/gnome-control-center'...
$ git fetch origin 249b9d205494f4ed770160194ebd9638a8f2ca71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-control-center
 * [new ref]         249b9d205494f4ed770160194ebd9638a8f2ca71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 249b9d2 Dummy empty commit. This commit is just to test whether I can commit.