$ git clone -n https://src.fedoraproject.org/rpms/perl-forks.git /var/lib/mock/f40-build-2304396-57017/root/chroot_tmpdir/scmroot/perl-forks
Cloning into '/var/lib/mock/f40-build-2304396-57017/root/chroot_tmpdir/scmroot/perl-forks'...
$ git fetch origin c3be216f3f7124e7f97967c844a26dd7b558aa91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-forks
 * [new ref]         c3be216f3f7124e7f97967c844a26dd7b558aa91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3be216 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild