$ git clone -n https://src.fedoraproject.org/rpms/picojson.git /var/lib/mock/f31-build-48571-27160/root/chroot_tmpdir/scmroot/picojson
Cloning into '/var/lib/mock/f31-build-48571-27160/root/chroot_tmpdir/scmroot/picojson'...
$ git reset --hard c69f1e267f67629649fc581b7ad7f9d3228b39f4
HEAD is now at c69f1e2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild