version=4
opts="dversionmangle=s/\+(debian|dfsg|ds|deb)(\.?\d+)?$//, uversionmangle=s/-rc/~rc/, filenamemangle=s/.+\/v?(\d\S+)\.tar\.gz/opencoarrays-$1\.tar\.gz/ " \
  https://github.com/sourceryinstitute/OpenCoarrays/tags .*/v?(\d\S+)\.tar\.gz
