$ git clone -n https://src.fedoraproject.org/rpms/python-represent.git /var/lib/mock/f40-build-2231955-53314/root/chroot_tmpdir/scmroot/python-represent
Cloning into '/var/lib/mock/f40-build-2231955-53314/root/chroot_tmpdir/scmroot/python-represent'...
$ git fetch origin 8d84885e4740836adbbf701f37a686050130bcde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-represent
 * [new ref]         8d84885e4740836adbbf701f37a686050130bcde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d84885 Update to 2.0.0 (rhbz#2256284)