#!/bin/bash

THIS_NAME=$(basename $0)
THIS_VERSION='20111030'

. /etc/${THIS_NAME}.conf

function print_usage() {
    echo "${THIS_NAME} v${THIS_VERSION}"
    echo -e "\nUsage:"
    echo -e "\t${THIS_NAME} [--official|--community] pkgname"
}

# Params:
#   1. name of pkgbase to sync
#   2. repo the package belongs to: '0': 'svn-package', '1': 'svn-community'
function do_duplicate() {
    pkgbase=${1}
    repo=${2}

    echo "Updating SVN tree for ${pkgbase}"
    svn up ${LOCAL_SVN_DIR[${repo}]}/${pkgbase}

    echo "Retrieving changes from ${REMOTE_HOSTNAME} for ${pkgbase}"
    rsync -rq ${REMOTE_HOSTNAME}:${REMOTE_SVN_DIR[${repo}]}/${pkgbase}/* ${LOCAL_SVN_DIR[${repo}]}/${pkgbase} \
          --exclude ${REMOTE_SVN_DIR[${repo}]}/${pkgbase}/trunk/src

    echo "Sourcing PKGBUILD"
    . "${LOCAL_SVN_DIR[${repo}]}/${pkgbase}/trunk/PKGBUILD"

    echo "Sourcing makepkg.conf files"
    . /etc/makepkg.conf
    test -f ~/.makepkg.conf && . ~/.makepkg.conf

    echo "Retrieving packages"
    for a in ${arch[*]}; do
        for p in ${pkgname[*]}; do
            echo "${p}-${pkgver}-${pkgrel}-${a}${PKGEXT}"
            rsync ${REMOTE_HOSTNAME}:${REMOTE_PKG_DIR}/${p}-${pkgver}-${pkgrel}-${a}${PKGEXT} \
                  ${PKGDEST}
        done
    done

    cd "${LOCAL_SVN_DIR[${repo}]}/${pkgbase}/trunk"
}

if [ ${#*} -eq 2 ]; then
    if [ "${1}" = '--official' ]; then
        do_duplicate ${2} 0
    elif [ "${1}" = '--community' ]; then
        do_duplicate ${2} 1
    else
        echo "Bad parameters." 
        print_usage
        exit 1
    fi
elif [ ${#*} -eq 1 ]; then
    echo "No repo specified. Assuming 'official'"
    do_duplicate ${1} 0
else
    echo 'Specify package name'
    print_usage
    exit 1
fi