$ git clone -n https://src.fedoraproject.org/rpms/kf6-kjobwidgets.git /var/lib/mock/f42-build-863310-171605/root/chroot_tmpdir/scmroot/kf6-kjobwidgets
Cloning into '/var/lib/mock/f42-build-863310-171605/root/chroot_tmpdir/scmroot/kf6-kjobwidgets'...
$ git fetch origin 70849f211e23e1c249f6c886a6a2c9e81753c040:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kjobwidgets
 * [new ref]         70849f211e23e1c249f6c886a6a2c9e81753c040 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70849f2 Frameworks 6.9