$ git clone -n https://src.fedoraproject.org/rpms/LabPlot.git /var/lib/mock/f41-build-847261-163867/root/chroot_tmpdir/scmroot/LabPlot
Cloning into '/var/lib/mock/f41-build-847261-163867/root/chroot_tmpdir/scmroot/LabPlot'...
$ git fetch origin 85b763e320262228fa74fb1091535a4057319f0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/LabPlot
 * [new ref]         85b763e320262228fa74fb1091535a4057319f0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85b763e Rebuild for Qt 5.15.15; rhbz#2310732