#!/bin/bash
# Unbreakable build
 
function alert_user {
echo "${1}"
which -s growlnotify && growlnotify `basename $0` -m "${1}"
}

function exit_ko {
alert_user "${1}"; exit 1
}

function exit_ok {
alert_user "${1}"; exit 0
}

LOCATION=$(pwd)
REMOTE=${1:-origin}
REMOTE_URL=$(git remote show -n ${REMOTE} | awk '/Fetch/ {print $3}')
BRANCH=$(git symbolic-ref -q HEAD)
BRANCH=${BRANCH##refs/heads/}

# Git black magic to pull rebase even with uncommited work in progress
git fetch ${REMOTE}
git add -A; git ls-files --deleted -z | xargs -0 -I {} git rm {}; git commit -m "wip"
git rebase ${REMOTE}/${BRANCH}

if [ "$?" -ne 0 ]; then
git rebase --abort
git log -n 1 | grep -q -c "wip" && git reset HEAD~1
exit_ko "Unable to rebase. please pull or rebase and fix conflicts manually."
fi
git log -n 1 | grep -q -c "wip" && git reset HEAD~1

# Private build
rm -Rf ../privatebuild
git clone --single-branch -slb "${BRANCH}" . ../privatebuild
cd ../privatebuild

# Build with maven
set MAVEN_OPTS=-Xmx256m
mvn -T4 clean install
if [ $? -ne 0 ]; then
exit_ko "Unable to build"
fi

# Push
git push ${REMOTE_URL} ${BRANCH}
if [ $? -ne 0 ]; then
exit_ko "Unable to push"
fi

# Update working directory
cd ${LOCATION} && git fetch ${REMOTE}
exit_ok "Yet another successful build!"