$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-francy.git /var/lib/mock/f40-build-2590707-62633/root/chroot_tmpdir/scmroot/gap-pkg-francy
Cloning into '/var/lib/mock/f40-build-2590707-62633/root/chroot_tmpdir/scmroot/gap-pkg-francy'...
$ git fetch origin bfa53c3255ef5a457dfccca3ee7b64ba4aed07fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-francy
 * [new ref]         bfa53c3255ef5a457dfccca3ee7b64ba4aed07fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfa53c3 Rebuild for gap 4.13.0