$ git clone -n https://src.fedoraproject.org/rpms/postgresql-plruby.git /var/lib/mock/f31-build-49386-27276/root/chroot_tmpdir/scmroot/postgresql-plruby
Cloning into '/var/lib/mock/f31-build-49386-27276/root/chroot_tmpdir/scmroot/postgresql-plruby'...
$ git reset --hard ee9092fdefa8ffa42bcaa335a70e77bf538d73b1
HEAD is now at ee9092f - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild