regen lua bindings for website on master

.travis.yml

@@ -7,6 +7,8 @@ jobs:
 addons:
   apt:
     packages:
+      - python3
+      - python3-pip
       - cmake
       - libsdl2-dev
       - libsdl2-mixer-dev
@@ -34,6 +36,22 @@ before_script:
   - cmake $CMAKEARGS ..
 script: make
 after_success:
+  - "if [ $TRAVIS_REPO_SLUG == Wargus/stratagus -a \
+          $TRAVIS_BRANCH == master -a \
+          $TRAVIS_OS_NAME == linux -a \
+          $TRAVIS_PULL_REQUEST == 'false' ]; then \
+         git clone https://${GH_TOKEN}@github.com/Wargus/wargus.github.io;
+         python3 -m pip install --user Pygments;
+         python3 doc/lua/generate_index.py;
+         cp index.html wargus.github.io/lua_bindings.html;
+         cd wargus.github.io;
+         git config --global user.email \"travis-ci@travis.org\";
+         git config --global user.name \"Travis CI\";
+         git add lua_bindings.html;
+         git commit -m \"update bindings\";
+         git push origin master;
+         cd ..;
+    fi"
   - "if [ $TRAVIS_REPO_SLUG == Wargus/stratagus -a \
           $TRAVIS_BRANCH == master -a \
           $TRAVIS_OS_NAME == osx -a \