The GitHub token used for GitHub Pages deployment was revoked (see https://blog.travis-ci.com/2017-05-08-security-advisory) so I took the opportunity to make use of the "new" repository settings feature instead of fiddling with variable encryption again.
- make doc zip
after_success:
- make -f Makefile.travis
-env:
- global:
- - secure: "h+hoQdEHGPLNwaqGKmSaM8NBRDLc2X+W05VsnNG2Feq/wPv/AiBjONNlzN7jRf6D6f3aoPXaQ2Lc3bYWdxGvFRCmwiofdxkJI9n5L8HPHLZ2lf37MQsXmGJzoTFOvjPLj73H6HlbI9Ux0El3zO6hvalxiXj6TfoZ41dbhNyvpYk="
- - secure: "A4hMEe5RRfUtYjFGbT7QAvT1Tyo434N+/TiuQeQ4q0L46c79LnXuGQzbFLOFZshZiplLkJr7lFg466CoI1bf2L0cQOew/LesMhE75v0HQ7tZnExWhdpAk0ri6nWixbjn/dmQ0+HxjzJ48A44DMMBYcvSIsO4vflvuJ8etfSg42k="