$ git clone -n https://src.fedoraproject.org/rpms/mactel-boot.git /var/lib/mock/f38-build-side-42-init-devel-822006-28342/root/chroot_tmpdir/scmroot/mactel-boot
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-822006-28342/root/chroot_tmpdir/scmroot/mactel-boot'...
$ git fetch origin dbd1e219b76c9cf56284d2fe9a6df51270f4cea6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mactel-boot
 * [new ref]         dbd1e219b76c9cf56284d2fe9a6df51270f4cea6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbd1e21 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild