version=4
opts=downloadurlmangle=s%archive/refs/tags/v(.*)\.tar\.gz%releases/download/v$1/nghttp2-$1\.tar\.gz%,\
  pgpsigurlmangle=s/$/.asc/ \
  https://github.com/nghttp2/nghttp2/tags \
  .*/v?(\d\S+)\.tar\.gz
