#!/usr/bin/env bash
## Run script for Travis CI integration
##
## Copyright (c) 2012-2014 Sylvain Benner
## Copyright (c) 2014-2017 Sylvain Benner & Contributors
##
## Author: Eugene Yaremenko
## URL: https://github.com/syl20bnr/spacemacs
##
## This file is not part of GNU Emacs.
##
## License: GPLv3

if [ $USER != "travis" ]; then
    echo "This script is not designed to run locally."
    echo "Instead, navigate to the appropriate test folder and run make there instead."
    exit 1
fi

# Make sure that PR doesn't target master branch
if  [ $TRAVIS_SECURE_ENV_VARS = false ] &&
        [ $TRAVIS_PULL_REQUEST != false ] &&
        [ "$TRAVIS_BRANCH" = "master" ]; then
    printf '=%.0s' {1..70}
    printf "\n       し(*･∀･)／   Thanks for the contribution!  ＼(･∀･*)ノ\n"
    printf '=%.0s' {1..70}
    printf "\n( ＾◡＾)っ Please submit your pull request against the develop branch.\n"
    echo   "You can read the contribution guidelines at:"
    echo   "https://github.com/syl20bnr/spacemacs/blob/develop/CONTRIBUTING.org"
    exit 1
fi

rm -rf ~/.emacs.d
mv "${TRAVIS_BUILD_DIR}" ~/.emacs.d
ln -sf ~/.emacs.d "${TRAVIS_BUILD_DIR}"
cd  ~/.emacs.d
echo "Pwd $(pwd)"

echo_headline () {
    printf '=%.0s' {1..70}
    printf "\n$1\n"
    printf '=%.0s' {1..70}
    echo
}

# If we are pushing changes to the master or develop branch,
# open PR to syl20bnr/${PUBLISH} with Spacemacs
# documentation exported as HTML and formatted with spacefmt
if  [ $TRAVIS_SECURE_ENV_VARS = true ] && [ ! -z "$PUBLISH" ] && [ $TRAVIS_PULL_REQUEST = false ]; then
    if  [ "$TRAVIS_BRANCH" = "master" ] && [ "$PUBLISH" != "spacemacs.org" ] ||
            [ "$TRAVIS_BRANCH" = "develop" ] && [ "$PUBLISH" != "develop.spacemacs.org" ]; then
        echo "branch is \"${TRAVIS_BRANCH}\", won't publish to \"${PUBLISH}\" repository!"
        exit 0
    fi

    echo_headline "FORMATTING DOCUMENTATION:"
    cp ~/.emacs.d/tests/doc/dotspacemacs.el ~/dotspacemacs.el
    mv ~/dotspacemacs.el ~/.spacemacs
    ./core/tools/spacefmt/spacefmt doc
    if [ $? -ne 0 ]; then
        echo "spacefmt exited with: $?"
        exit 2
    fi

    echo_headline "EXPORTING DOCUMENTATION:"
    emacs -batch -l init.el > /dev/null 2>&1
    emacs -batch -l init.el -l core/core-documentation.el -f spacemacs/publish-doc
    if [ $? -ne 0 ]; then
        echo "spacemacs/publish-doc failed"
        exit 2
    fi
    git config --global user.name "${BOT_NAME}"
    git config --global user.email "${BOT_EMAIL}"
    git config --global push.default simple
    git config --global hub.protocol https
    export GITHUB_TOKEN=$BOT_TK
    git clone "https://github.com/syl20bnr/${PUBLISH}.git" -b gh-pages "/tmp/${PUBLISH}"
    rsync -avh ~/.emacs.d/export/ "/tmp/${PUBLISH}"
    git add -N .

    cd "/tmp/${PUBLISH}"
    if ! git diff-files  --quiet --; then
        echo_headline "COMMITTING CHANGES TO ${BOT_NAME}/${PUBLISH}:"
        git diff --color HEAD
        curl -L https://github.com/github/hub/releases/download/v2.2.9/hub-linux-amd64-2.2.9.tgz | tar \
          --strip-components=2 -xz --wildcards -C /tmp/ "*hub"
        /tmp/hub add --all
        /tmp/hub commit -m "doc update:$(date -u)"
        /tmp/hub fork
        mkdir -p ~/.ssh
        printf "Host  github.com\n  StrictHostKeyChecking no\n  UserKnownHostsFile=/dev/null\n" \
               >  ~/.ssh/config
        git remote set-url "${BOT_NAME}" \
            "https://${BOT_NAME}:${BOT_TK}@github.com/${BOT_NAME}/${PUBLISH}.git"
        /tmp/hub push -f "${BOT_NAME}" gh-pages

        echo_headline "OPENING PR TO syl20bnr/${PUBLISH}.git"
        echo "Documentation updates (autoexport)" > msg
        echo "beep beep boop... Beep?" >> msg
        /tmp/hub pull-request -F msg
        echo "DONE!"
        exit 0
    else
        echo "NOTHING TO COMMIT!"
        exit 0
    fi
fi

# Emacs tests
for test in "${TESTS[@]}"; do
    rm -rf ~/.emacs.d/elpa
    rm -rf ~/.emacs.d/.cache
    rm -f ~/.spacemacs
    testdir=~/.emacs.d/tests/$test
    echo_headline "Running '$test' in '$testdir' folder"
    if [ -f $testdir/dotspacemacs.el ]; then
        cp $testdir/dotspacemacs.el ~/.spacemacs
    fi
    cd $testdir && echo "Now in $(pwd)"
    make test || exit 2
done