$ git clone -n https://src.fedoraproject.org/rpms/perl-CSS.git /var/lib/mock/f40-build-2016284-46174/root/chroot_tmpdir/scmroot/perl-CSS
Cloning into '/var/lib/mock/f40-build-2016284-46174/root/chroot_tmpdir/scmroot/perl-CSS'...
$ git fetch origin afe068c508f726b596e5c027e5d55ec174b441a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CSS
 * [new ref]         afe068c508f726b596e5c027e5d55ec174b441a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afe068c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild