$ git clone -n https://src.fedoraproject.org/rpms/pngcrush.git /var/lib/mock/f31-build-49133-27243/root/thebuilddir/tmp/scmroot/pngcrush
Cloning into '/var/lib/mock/f31-build-49133-27243/root/thebuilddir/tmp/scmroot/pngcrush'...
$ git reset --hard f9bffe0c51fcec0a534629e5b89f61e89ae8532e
HEAD is now at f9bffe0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild