version=4

opts="mode=git, \
      compression=gz, \
      uversionmangle=s/\.0rc/~rc/; \
                     s/\.0b1/~b1/; \
                     s/\.0b2/~b2/; \
                     s/\.0b3/~b3/" \
https://github.com/pallets/flask.git refs/tags/(\d[brc\d\.]+)
