$ git clone -n https://src.fedoraproject.org/rpms/python-fsleyes-widgets.git /var/lib/mock/f40-build-2213675-52346/root/chroot_tmpdir/scmroot/python-fsleyes-widgets
Cloning into '/var/lib/mock/f40-build-2213675-52346/root/chroot_tmpdir/scmroot/python-fsleyes-widgets'...
$ git fetch origin 0b9f2951dd43c5563d73957a1833c3f9aa936969:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fsleyes-widgets
 * [new ref]         0b9f2951dd43c5563d73957a1833c3f9aa936969 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b9f295 Re-enable xvfb tests, as they seem to have become reliable