$ git clone -n https://src.fedoraproject.org/rpms/python-matplotlib.git /var/lib/mock/f31-build-91529-32322/root/chroot_tmpdir/scmroot/python-matplotlib
Cloning into '/var/lib/mock/f31-build-91529-32322/root/chroot_tmpdir/scmroot/python-matplotlib'...
$ git reset --hard c4446bc9c0d24e3be9f2933170319085af99b5f2
HEAD is now at c4446bc Skip wx test on ppc64le.