$ git clone -n https://src.fedoraproject.org/rpms/kcm_systemd.git /var/lib/mock/f38-build-side-42-init-devel-1221632-30639/root/chroot_tmpdir/scmroot/kcm_systemd
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1221632-30639/root/chroot_tmpdir/scmroot/kcm_systemd'...
$ git fetch origin 4b2a10384f0f81bcc476a27e102bff90e793d155:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcm_systemd
 * [new ref]         4b2a10384f0f81bcc476a27e102bff90e793d155 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b2a103 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild