I'm trying to build the latest gnupg on travis to build on top of it.
Following the speedo approach i get a download error for swdb.lst. It looks like
the cert for versions.gnupg.org causes wget to fail:
$ export urlbase="https://versions.gnupg.org/"
$ wget -O swdb.lst "$urlbase/swdb.lst"
--2017-02-20 17:34:02-- https://versions.gnupg.org//swdb.lst
Resolving versions.gnupg.org (versions.gnupg.org)... 217.69.76.56,
2001:aa8:fff1:2100::56
Connecting to versions.gnupg.org (versions.gnupg.org)|217.69.76.56|:443...
connected.
ERROR: no certificate subject alternative name matches
requested host name `versions.gnupg.org'.
To connect to versions.gnupg.org insecurely, use `--no-check-certificate'.