$ git clone -n https://src.fedoraproject.org/rpms/kf6-kjobwidgets.git /var/lib/mock/f41-build-860178-168834/root/chroot_tmpdir/scmroot/kf6-kjobwidgets
Cloning into '/var/lib/mock/f41-build-860178-168834/root/chroot_tmpdir/scmroot/kf6-kjobwidgets'...
$ git fetch origin 7f36b1cbdf0cd911fb8c0b5dd0df93c0ae679122:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kjobwidgets
 * [new ref]         7f36b1cbdf0cd911fb8c0b5dd0df93c0ae679122 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f36b1c 6.7.0