#!/bin/bash -ex

GULP=./node_modules/.bin/gulp

function install() {
    npm install
    touch $GULP  # installer doesn't always touch this after a build, so we do.
}

# Rebuild Gulp if missing or outdated.
[ -e $GULP ] || install
[ gulpfile.js -nt $GULP ] && install

if [ "$1" == "watch" ]; then
    # Treat "gulp watch" as "gulp && gulp watch"
    $GULP
elif [ "$1" == "all" ]; then
    pushd .
    # This is useful when building the Blender Cloud project for the first time.
    # Run ./gulp in all depending projects (pillar, attract, flamenco, pillar-svnman)
    declare -a repos=("pillar" "attract" "flamenco" "pillar-svnman")
    for r in "${repos[@]}"
    do
        cd ../$r
        ./gulp
    done
    popd
    # Run "gulp" once inside the repo
    $GULP
    exit 1
fi

exec $GULP "$@"