version=4
opts="\
dversionmangle=s/\+dfsg\d*$//,repacksuffix=+dfsg3,\
filenamemangle=s%(?:.*?)?v?(\d[\d.]*@ARCHIVE_EXT@)%@PACKAGE@-$1%" \
  https://github.com/dials/dials/tags \
  (?:.*?/)?v?@ANY_VERSION@@ARCHIVE_EXT@