#!/bin/bash
set -e

echo -n "Enter the version for this release: "

read ver

if [ ! $ver ]; then 
	echo "Invalid version."
	exit
fi

name="select2"
js="$name.js"
mini="$name.min.js"
css="$name.css"
release="$name-$ver"
tag="$ver"
branch="build-$ver"
curbranch=`git branch | grep "*" | sed "s/* //"`
timestamp=$(date)
tokens="s/@@ver@@/$ver/g;s/\@@timestamp@@/$timestamp/g"
remote="github"

echo "Updating Version Identifiers"

sed -E -e "s/\"version\": \"([0-9\.]+)\",/\"version\": \"$ver\",/g" -i "" component.json select2.jquery.json
git add component.json
git add select2.jquery.json
git commit -m "modified version identifiers in descriptors for release $ver"
git push
 
git branch "$branch"
git checkout "$branch"

echo "Tokenizing..."

find . -name "$js" | xargs -I{} sed -e "$tokens" -i "" {} 
find . -name "$css" | xargs -I{} sed -e "$tokens" -i "" {}
sed -e "s/latest/$ver/g" -i "" component.json

git add "$js"
git add "$css"

echo "Minifying..."

echo "/*" > "$mini"
cat LICENSE | sed "$tokens" >> "$mini"
echo "*/" >> "$mini"

curl -s \
	-d compilation_level=SIMPLE_OPTIMIZATIONS \
	-d output_format=text \
	-d output_info=compiled_code \
	--data-urlencode "js_code@$js" \
	http://closure-compiler.appspot.com/compile \
	>> "$mini"

git add "$mini"
	
git commit -m "release $ver"

echo "Tagging..."
git tag -a "$tag" -m "tagged version $ver"
git push "$remote" --tags

echo "Cleaning Up..."

git checkout "$curbranch"
git branch -D "$branch"

echo "Done"