$ git clone -n https://src.fedoraproject.org/rpms/cgit.git /var/lib/mock/f38-build-side-42-init-devel-812581-28308/root/chroot_tmpdir/scmroot/cgit
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-812581-28308/root/chroot_tmpdir/scmroot/cgit'...
$ git fetch origin 543fe867ace7bb84f7e1cc499c15f41b894737f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cgit
 * [new ref]         543fe867ace7bb84f7e1cc499c15f41b894737f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 543fe86 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild