$ git clone -n https://src.fedoraproject.org/rpms/Perlbal.git /var/lib/mock/f40-build-2501580-61685/root/chroot_tmpdir/scmroot/Perlbal
Cloning into '/var/lib/mock/f40-build-2501580-61685/root/chroot_tmpdir/scmroot/Perlbal'...
$ git fetch origin a43e98bc37f79e9d6a49fc595766e4d0a7da9460:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Perlbal
 * [new ref]         a43e98bc37f79e9d6a49fc595766e4d0a7da9460 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a43e98b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild