$ git clone -n https://src.fedoraproject.org/rpms/python-networkx.git /var/lib/mock/f40-build-2246477-53816/root/chroot_tmpdir/scmroot/python-networkx
Cloning into '/var/lib/mock/f40-build-2246477-53816/root/chroot_tmpdir/scmroot/python-networkx'...
$ git fetch origin e71a367b1585f230bd09aab829418a2793243593:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-networkx
 * [new ref]         e71a367b1585f230bd09aab829418a2793243593 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e71a367 Remove the upper bound on the version of python-nbconvert (fix RHBZ#2256372)