$ git clone -n https://src.fedoraproject.org/rpms/genders.git /var/lib/mock/f41-build-1020895-18021/root/chroot_tmpdir/scmroot/genders
Cloning into '/var/lib/mock/f41-build-1020895-18021/root/chroot_tmpdir/scmroot/genders'...
$ git fetch origin be9103b4929a30ce41fbc75f622050d1370a6b77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/genders
 * [new ref]         be9103b4929a30ce41fbc75f622050d1370a6b77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be9103b Perl 5.40 rebuild