$ git clone -n https://src.fedoraproject.org/rpms/kf6-kjobwidgets.git /var/lib/mock/f42-build-870360-177155/root/chroot_tmpdir/scmroot/kf6-kjobwidgets
Cloning into '/var/lib/mock/f42-build-870360-177155/root/chroot_tmpdir/scmroot/kf6-kjobwidgets'...
$ git fetch origin 87a44d38e582102e6a686751b54fad8a7aa72f9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kjobwidgets
 * [new ref]         87a44d38e582102e6a686751b54fad8a7aa72f9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87a44d3 6.11.0