$ git clone -n https://src.fedoraproject.org/rpms/rubygem-goocanvas.git /var/lib/mock/f31-build-92880-32384/root/chroot_tmpdir/scmroot/rubygem-goocanvas
Cloning into '/var/lib/mock/f31-build-92880-32384/root/chroot_tmpdir/scmroot/rubygem-goocanvas'...
$ git reset --hard d1a4b8465074847047f82b5c856f38b7496b5970
HEAD is now at d1a4b84 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild