$ git clone -n https://src.fedoraproject.org/rpms/gnatcoll-db.git /var/lib/mock/f38-build-side-42-init-devel-1119443-30214/root/chroot_tmpdir/scmroot/gnatcoll-db
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1119443-30214/root/chroot_tmpdir/scmroot/gnatcoll-db'...
$ git fetch origin ef0adeaa3a7eb01d518a0e6ec1032ec93c0690aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnatcoll-db
 * [new ref]         ef0adeaa3a7eb01d518a0e6ec1032ec93c0690aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef0adea Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild