$ git clone -n https://src.fedoraproject.org/rpms/kf6-karchive.git /var/lib/mock/f40-build-787152-134734/root/chroot_tmpdir/scmroot/kf6-karchive
Cloning into '/var/lib/mock/f40-build-787152-134734/root/chroot_tmpdir/scmroot/kf6-karchive'...
$ git fetch origin 24f63755bddcd28a4a99571a8d6f6d17bee382fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-karchive
 * [new ref]         24f63755bddcd28a4a99571a8d6f6d17bee382fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24f6375 6.0.0