$ git clone -n https://src.fedoraproject.org/rpms/kf6-kjobwidgets.git /var/lib/mock/f41-build-side-1-2647362-27301/root/chroot_tmpdir/scmroot/kf6-kjobwidgets
Cloning into '/var/lib/mock/f41-build-side-1-2647362-27301/root/chroot_tmpdir/scmroot/kf6-kjobwidgets'...
$ git fetch origin 205fa09f1e9f764d935b1864c769ed8df1be9665:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kjobwidgets
 * [new ref]         205fa09f1e9f764d935b1864c769ed8df1be9665 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 205fa09 6.5.0