version=4
opts="filenamemangle=s%(?:.*?)?v?(4\.\d[\d.]*)\.tar\.gz%@PACKAGE@-$1.tar.gz%,\
      uversionmangle=s/(\d)[_\.\-+]?(RC|rc|pre|dev|beta|alpha)[.]?(\d*)$/$1~$2$3/" \
  https://github.com/evanphx/json-patch/tags .*/v?(4\.\d\S*)\.tar\.gz debian
