$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-laguna.git /var/lib/mock/f38-build-side-42-init-devel-737547-27649/root/chroot_tmpdir/scmroot/gap-pkg-laguna
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-737547-27649/root/chroot_tmpdir/scmroot/gap-pkg-laguna'...
$ git fetch origin fac94a2f50d9999ff6a558ec02d7162fa3f2b2dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-laguna
 * [new ref]         fac94a2f50d9999ff6a558ec02d7162fa3f2b2dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fac94a2 Version 3.9.6.