$ git clone -n https://src.fedoraproject.org/rpms/perl-Gnome2.git /var/lib/mock/f41-build-1153756-21307/root/chroot_tmpdir/scmroot/perl-Gnome2
Cloning into '/var/lib/mock/f41-build-1153756-21307/root/chroot_tmpdir/scmroot/perl-Gnome2'...
$ git fetch origin 538e9c285e8881f0f98a01a6c815291c881a701b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gnome2
 * [new ref]         538e9c285e8881f0f98a01a6c815291c881a701b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 538e9c2 Add TMT test and enable gating