$ git clone -n https://src.fedoraproject.org/rpms/python-sane.git /var/lib/mock/f29-build-912-408/root/thebuilddir/tmp/scmroot/python-sane
Cloning into '/var/lib/mock/f29-build-912-408/root/thebuilddir/tmp/scmroot/python-sane'...
$ git reset --hard 0b31552a561b5856e80278f0a9030a1025ebb0e3
HEAD is now at 0b31552 Add missing BR: gcc