version=4
opts=uversionmangle=s/[_.+-]?(rc|pre|dev|beta|alpha)/~$1/i,\
dversionmangle=s/\+(debian|dfsg|ds|deb)(\.\d+)?$//,repacksuffix=+ds,\
filenamemangle=s%(?:.+/)?v?@ANY_VERSION@(@ARCHIVE_EXT@)%@PACKAGE@-$1$2% \
  https://github.com/ocornut/imgui/tags \
  (?:.*?/)?v?(\d[\d.]*\w?)\.tar\.gz
