#!/usr/bin/env bash

GITREPO="highlight.js"
GITURL="git://github.com/isagalaev/highlight.js.git"

build-script() {
  local BUILDFILE=`ls tools/build.*`

  if [[ $BUILDFILE == "tools/build.py" ]]; then
    local RUN=`which python3`
  else
    # Some systems use nodejs as the executable for Node.js. This is to
    # call either node or nodejs executable depending on what is
    # available.
    local RUN=`which nodejs || which node`

    npm install
  fi

  $RUN $BUILDFILE $*
}

# Update this repository first, just to be on the safe side
git fetch origin
git merge origin/master

if [[ ! -d $GITREPO ]]; then
  git clone $GITURL $GITREPO --depth 10
fi

cd $GITREPO

# Grab the latest tagged version
TAGNAME=`git tag --list | sort --reverse | head -n 1`
BUILDDIR="../build"

git pull
git checkout $TAGNAME

rm -rf $BUILDDIR

# Build for CDN
build-script -t cdn :common
cp -R build $BUILDDIR

git checkout master

cd ..

git add --all
git commit -m "Update to version ${TAGNAME}"
git tag --annotate $TAGNAME -m "Version ${TAGNAME}"
git push origin
git push --tags