#!/bin/bash

set -e # Exit with nonzero exit code if anything fails

SOURCE_BRANCH="master"

TARGET_BRANCH="gh-pages"

WLIB_BRANCH="library"

WLIB_REPO="https://github.com/waterloop/wlib.git"

# Pull requests and commits to other branches shouldn't try to deploy, just build to verify

if [ "$TRAVIS_PULL_REQUEST" != "false" -o "$TRAVIS_BRANCH" != "$SOURCE_BRANCH" ]; then

echo "Skipping deploy"

exit 0

fi

# Save some useful information

REPO=`git config remote.origin.url`

SSH_REPO=${REPO/https:\/\/github.com\//git@github.com:}

SHA=`git rev-parse --verify HEAD`

echo "Pushing to gh-pages"

# Clone the existing gh-pages for this repo into docs_out

# Create a new empty branch if gh-pages doesn't exist yet (should only happen on first deply)

git clone $REPO docs_out

cd docs_out

git checkout $TARGET_BRANCH || git checkout --orphan $TARGET_BRANCH

cd ..

echo "Removing current files"

# Clean out existing contents

rm -rf docs_out/*

cd docs

# Run our compile script

doxygen doxygen.conf

# Move content from html folder

cp -r html/. ../docs_out

cp ../.nojekyll ../docs_out

# Now let's go have some fun with the cloned repo

cd ../docs_out

git config user.name "Travis CI"

git config user.email "deep@deepdhillon.ca"

echo "Deploying to gh-pages"

# Commit the "changes", i.e. the new version.

# The delta will show diffs between new and old versions.

git add .

git commit -m "Deploy to GitHub Pages: ${SHA}"

# Get the deploy key by using Travis's stored variables to decrypt deploy_key.enc

ENCRYPTED_KEY_VAR="encrypted_${ENCRYPTION_LABEL}_key"

ENCRYPTED_IV_VAR="encrypted_${ENCRYPTION_LABEL}_iv"

ENCRYPTED_KEY=${!ENCRYPTED_KEY_VAR}

ENCRYPTED_IV=${!ENCRYPTED_IV_VAR}

openssl aes-256-cbc -K $ENCRYPTED_KEY -iv $ENCRYPTED_IV -in ../deploy_key.enc -out deploy_key -d

chmod 600 deploy_key

eval `ssh-agent -s`

ssh-add deploy_key

rm deploy_key

# Now that we're all set up, we can push.

git push $SSH_REPO $TARGET_BRANCH

cd ..

echo "Deployed to gh-pages"

# Clone the existing repo (library branch)

# Create a new empty branch if library doesn't exist yet (should only happen on first deply)

git clone $REPO library

cd library

git checkout $WLIB_BRANCH || git checkout --orphan $WLIB_BRANCH

cd ..

# Clean out existing contents and copy new content

rm -rf library/*

cp -r lib/wlib/. library

cp README.md library

cp .gitignore library

cp LICENSE library

cd library

git add -A

git diff-index --quiet HEAD && echo "Wlib library already Up to Date" || git commit -m "Deploying Wlib Library: ${SHA}" && git push $SSH_REPO $WLIB_BRANCH && echo "Deployed Wlib library"