#!/bin/bash

BASEDIR=`dirname $0`

cd ${BASEDIR} || exit 1

function melpa_update_epkgs {
    echo "Updating epkgs..."
    cd epkgs || return 1
    git pull
    cd ..
    echo
}

function melpa_clear_packages {
    echo "*** Clearing the packages folder..."
    rm packages/*
    echo
}


function melpa_build_pkglist {
    echo "*** Building all packages..."
    for pkg in `cat buildlist`; do
	./buildpkg $pkg
	echo
	echo
    done
    echo
}

function melpa_build_archive {
    echo "Building package: $pkg"
    emacs --batch -l package-build.el -u dcurtis --eval "(package-build-archive \"$1\")"
    echo
}

function melpa_sync {
    echo "*** Pushing changes to the server..."
    rsync -avz --delete packages webpage/index.html milkbox.net:webapps/melpa/
    echo
}

function melpa_generate_html {
    echo "*** Building webpage..."
    cd webpage || return 1
    erb index.erb
    pandoc -s --mathml -t html --smart index.md > index.html
    cd ..
    echo
}

function print_usage {
    echo "usage: $0 [-h | -?] [update | clear | build | html | sync]"
}

args=`getopt h $*`
errcode=$?

if [[ "$errcode" > 0 ]]; then
    print_usage
    exit $errcode
fi

set -- $args

for i; do
    case "$i" in
        -h | -\?) print_usage
            shift
            exit
            ;;
        --) shift
            break
            ;;
    esac
done


if [[ "$#" == "0" ]]; then
    set -- update clear build index sync
fi

for i; do
    case $i in
        update ) melpa_update_epkgs ;;
        clear ) melpa_clear_packages ;;
        build ) melpa_build_pkglist ;;
        html | index ) melpa_generate_html ;;
        sync ) melpa_sync ;;
    esac
    shift
done

exit 1