$ git clone -n https://src.fedoraproject.org/rpms/kf5-ktnef.git /var/lib/mock/f39-build-1567742-37600/root/chroot_tmpdir/scmroot/kf5-ktnef
Cloning into '/var/lib/mock/f39-build-1567742-37600/root/chroot_tmpdir/scmroot/kf5-ktnef'...
$ git fetch origin 2cfcc1488a084637c86fbb8bb0fbfa5fb9e343f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-ktnef
 * [new ref]         2cfcc1488a084637c86fbb8bb0fbfa5fb9e343f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cfcc14 23.08.2