#!/bin/sh -e

TMP_FOLDER="/home/hosted/pouet/deploy_folder"
LIVE_FOLDER="/home/hosted/pouet/sites/www.pouet.net"
LOCAL_COMMIT_FILE="$LIVE_FOLDER/tmp/LOCAL_COMMIT"
REMOTE_COMMIT_FILE="$LIVE_FOLDER/tmp/REMOTE_COMMIT"
RSYNC="/home/hosted/pouet/bin/rsync \
    --recursive \
    --delete \
    --progress \
    --checksum \
    --links\
    --keep-dirlinks \
    --exclude=avatars \
    --exclude=gfx/logos \
    --exclude=nfo \
    --exclude=othernfo \
    --exclude=results \
    --exclude=screenshots \
    --exclude=rulez/*.log \
    --exclude=tmp/* \
    --exclude=include/auth.php \
    --exclude=.git"

# Check if an update is waiting and if another deploy is running
if [ -f $REMOTE_COMMIT_FILE ]
then
    cd
    if [ -d $TMP_FOLDER ]
    then
        # Another update is running, give up
        exit 1
    fi

    # Let's go, create the working folder
    mkdir $TMP_FOLDER

    # Get the wanted hash
    REMOTE_COMMIT=`cat $REMOTE_COMMIT_FILE`

    # Download the version to update
    cd $TMP_FOLDER
    wget --timeout=10 https://github.com/lra/pouet.net/archive/$REMOTE_COMMIT.zip

    # Unpack it
    unzip $REMOTE_COMMIT.zip

    # Copy any new file over the live folder
    $RSYNC pouet.net-$REMOTE_COMMIT/ $LIVE_FOLDER

    # Update the new crontab
    /usr/bin/crontab $LIVE_FOLDER/crontab

    # Everything is good, nothing failed, remove the wanted version and tag the
    # new local version
    rm $REMOTE_COMMIT_FILE
    echo $REMOTE_COMMIT > $LOCAL_COMMIT_FILE

    # Clean up the tmp folder to let the next deploy run
    cd
    rm -rf $TMP_FOLDER
fi