$ git clone -n https://src.fedoraproject.org/rpms/kf5-karchive.git /var/lib/mock/f40-build-1258321-23032/root/chroot_tmpdir/scmroot/kf5-karchive
Cloning into '/var/lib/mock/f40-build-1258321-23032/root/chroot_tmpdir/scmroot/kf5-karchive'...
$ git fetch origin 9f2c3e87cdcba4018148f23329d66a7498900bae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-karchive
 * [new ref]         9f2c3e87cdcba4018148f23329d66a7498900bae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f2c3e8 5.116.0