version=4
opts="filenamemangle=s%(?:.*?)?v?(\d[\d.]*)\.tar\.gz%@PACKAGE@-$1.tar.gz%" \
   https://github.com/rnpgp/rnp/tags \
   (?:.*?/)?v?(\d[\d.]*)\.tar\.gz
# rnp now uses submodules upstream, but they might move to libsexpp as
# a separate linked library.
# if they continue with the submodules, we probably need to fetch the
# upstream "release", not just the tag.
# we might need to use the kind of mangling suggested by David Steele in
# https://bugs.debian.org/1019696#30