$ git clone -n https://src.fedoraproject.org/rpms/goocanvas.git /var/lib/mock/f31-build-48128-27020/root/chroot_tmpdir/scmroot/goocanvas
Cloning into '/var/lib/mock/f31-build-48128-27020/root/chroot_tmpdir/scmroot/goocanvas'...
$ git reset --hard cadd841229dc44e3d3993baa1666b6131fc075da
HEAD is now at cadd841 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild