publish-doxygen

# leave the script if we build on travis-ci and this is not the clang++-3.7 build
if [[ $BUILD_ON_TRAVIS ]] && [[ "$COMPILER" != "$BUILD_DOXYGEN_COMPILE" ]]; then
    exit
fi

if [[ $BUILD_ON_TRAVIS ]]; then
    git clone https://github.com/doxygen/doxygen.git
    cd doxygen
    mkdir build
    cd build
    cmake -G "Unix Makefiles" ..
    make
    cd ..
fi

# see for the idea behin this script http://blog.gockelhut.com/2014/09/automatic-documentation-publishing-with.html
REPO_PATH=git@github.com:TorstenRobitzki/bluetoe.git
HTML_PATH=documentation/html
COMMIT_USER="Documentation Builder"
COMMIT_EMAIL="travis@robitzki.de"
CHANGESET=$(git rev-parse --verify HEAD)

ROOT="$PWD"

# code github pages
rm -rf ${HTML_PATH}
mkdir -p ${HTML_PATH}
git clone -b gh-pages "${REPO_PATH}" --single-branch ${HTML_PATH}

# remove old content
cd ${HTML_PATH} && git rm -rf .

# generate new documentation
cd "$ROOT" && doxygen 1> /dev/null

# commit new documentation
cd ${HTML_PATH} \
    && git add . \
    && git config user.name "${COMMIT_USER}" \
    && git config user.email "${COMMIT_EMAIL}" \
    && git commit -m "Automated documentation build for changeset ${CHANGESET}." \
    && git push origin gh-pages