$ git clone -n https://src.fedoraproject.org/rpms/kf6-kpty.git /var/lib/mock/f42-build-side-1-3573589-46768/root/chroot_tmpdir/scmroot/kf6-kpty
Cloning into '/var/lib/mock/f42-build-side-1-3573589-46768/root/chroot_tmpdir/scmroot/kf6-kpty'...
$ git fetch origin 13935cbd5919c24b93b273e429f67fac5934e339:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kpty
 * [new ref]         13935cbd5919c24b93b273e429f67fac5934e339 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13935cb 6.15 and plasma 3.4 compatibility rebuild