$ git clone -n https://src.fedoraproject.org/rpms/kf6-karchive.git /var/lib/mock/f40-build-774860-127918/root/chroot_tmpdir/scmroot/kf6-karchive
Cloning into '/var/lib/mock/f40-build-774860-127918/root/chroot_tmpdir/scmroot/kf6-karchive'...
$ git fetch origin 7936e411aa2f7207c5c64ad880d2bd516e85c008:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-karchive
 * [new ref]         7936e411aa2f7207c5c64ad880d2bd516e85c008 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7936e41 5.248.0