$ git clone -n https://src.fedoraproject.org/rpms/gnatcoll.git /var/lib/mock/f38-build-side-42-init-devel-1096411-30070/root/chroot_tmpdir/scmroot/gnatcoll
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1096411-30070/root/chroot_tmpdir/scmroot/gnatcoll'...
$ git fetch origin a55268fd4c337a70dfde4e4ae581b9f1bcecc09f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnatcoll
 * [new ref]         a55268fd4c337a70dfde4e4ae581b9f1bcecc09f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a55268f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild