#!/bin/bash

date_fmt="+%m-%d-%Y %H:%M:%S"

local_checkout_base=/home/git/local/checkouts/edward
package_path_base=/var/www/agpl.fsf.org/emailselfdefense.fsf.org/edward/
package_host=agpl.fsf.org
package_name=edward

repository=/home/git/repositories/edward.git
remote_user=edward
target_path=~$remote_user/edward-src

doc_base=/var/www/docs/$package_name

echo -n $(date "$date_fmt"); echo " - Starting post-update hook..."

# Unset GIT_DIR to allow for calls to git clone/pull
git update-server-info 
unset GIT_DIR


# Extract the branch name
branch=$(echo $1 | awk -F'/' '{print $3}')

# Debug
echo -n $(date "$date_fmt"); echo " - Processing branch: $1"

# Set branch specific configurations
case $branch in
    master)
	local_checkout=$local_checkout_base/$branch
	package_path=$package_path_base/
	target_host=fencepost.gnu.org
	;;
    *)
	echo $branch does not exist
	exit
	;;
esac

doc_path=$doc_base/$branch

echo -n $(date "$date_fmt"); echo " - Target host: $target_host"
echo -n $(date "$date_fmt"); echo " - Target path: $target_path"
echo -n $(date "$date_fmt"); echo " - Package host: $package_host"
echo -n $(date "$date_fmt"); echo " - Package path: $package_path"
echo -n $(date "$date_fmt"); echo " - Remote user: $remote_user"

# See if local checkout exists
if [ ! -d $local_checkout ]; then
    echo -n $(date "$date_fmt"); echo " - No local checkout detected, creating now"
    mkdir -p $local_checkout
    git clone $repository $local_checkout
    cd $local_checkout
    git checkout $branch
else
    echo -n $(date "$date_fmt"); echo " - Updating local checkout"
    cd $local_checkout
    git checkout $branch
    git pull origin $branch
fi

echo -n $(date "$date_fmt"); echo " - Packing for package host"
rm -f $local_checkout_base/*tar.gz
rm -f $local_checkout_base/*zip
cd $local_checkout_base
tar czv --exclude-vcs -f $package_name.tar.gz $branch
zip -r $package_name $branch -x "*/.git/*" "*/.gitignore"

echo -n $(date "$date_fmt"); echo " - Pushing to packaging server: $package_host:"
scp $package_name.zip $package_name.tar.gz $remote_user@$package_host:$package_path/

# Stop here if not updating a host
if [ -z $target_host ]; then
    exit
fi

echo -n $(date "$date_fmt"); echo " - Pushing files to target host: $target_host:$target_path"
rsync -arSX --exclude=.git/ --delete $local_checkout/* $remote_user@$target_host:$target_path/ &>/dev/null