#!/bin/bash

#This script will create and synchronize a local package mirror with the repository (as defined below) on linhes.org,
# it will also update the database.
#This script uses a shared account on linhes.org.
# DO NOT change the account name and dont' ask for the password, instead setup ssh keys.


if  [ -e /etc/makepkg.conf ]
then
    . /etc/makepkg.conf
else
    echo "couldn't find /etc/makepkg.conf"
fi
cwd=`dirname $0`
#REMOTE_DIR=/srv/www/repo
REMOTE_DIR=/srv/www/repo
DOCROOT=/data/pkg_repo/$CARCH
#export UNISON="/root/.unison"
export UNISON="/data/pkg_repo/.unison"
cp -f /build_tools/bin/km-up.prf  $UNISON/km-up.prf
cp -f /build_tools/bin/km-down.prf  $UNISON/km-down.prf
function sync_dirs {
    REMOTE=$1
    LOCAL=$2

    echo "                     Updating $3                        "
    echo "________________________________________________________"

    #first bring down new changes from linhes.org
    echo "--------"
    echo
    echo "Syncing the packages with linhes.org"
    echo
    echo "--------"
    unison km-down  -logfile /tmp/unison-down.log -auto -batch  -numericids ssh://reposync@linhes.org/$REMOTE $LOCAL

    if [ ! $? = 0 ]
    then
        echo "#######################################################"
        echo "##             ERRORS OCCURED                        ##"
        echo "#######################################################"
        exit 1

    fi
    #update the local database
    if [ "$4" == "update_db" ]
    then
        echo "Updating the whole db..."
        update_db_repo.sh $LOCAL $3
    fi

    #push the database back
    echo "--------"
    echo
    echo "Pushing the pkg database to linhes.org"
    echo
    echo "--------"
    unison km-up  -logfile /tmp/unison-up.log -auto -batch -numericids -force $LOCAL  $LOCAL ssh://reposync@linhes.org/$REMOTE
    #scp $LOCAL/*.db.tar.gz reposync@linhes.org:$REMOTE/

    echo "-------------------------------------------------------"
    echo "-----------         Finished with $3        -----------"
    echo "-------------------------------------------------------"
}


function source_sync () {
    src_repo=$1
    case $1 in
        testing )
            echo "updating source packages"
            REMOTE_DIR=/srv/www/repo/src_packages/core-testing
            LOCAL=/data/pkg_repo/src_packages/core-testing
            unison km-down  -logfile /tmp/unison-down.log -auto -batch  -numericids ssh://reposync@linhes.org/$REMOTE_DIR $LOCAL

            REMOTE_DIR=/srv/www/repo/src_packages/extra-testing
            LOCAL=/data/pkg_repo/src_packages/extra-testing
            unison km-down  -logfile /tmp/unison-down.log -auto -batch  -numericids ssh://reposync@linhes.org/$REMOTE_DIR $LOCAL
            ;;

        release )
            echo "updating source packages"
            REMOTE_DIR=/srv/www/repo/src_packages/core
            LOCAL=/data/pkg_repo/src_packages/core
            unison km-down  -logfile /tmp/unison-down.log -auto -batch  -numericids ssh://reposync@linhes.org/$REMOTE_DIR $LOCAL

            REMOTE_DIR=/srv/www/repo/src_packages/extra
            LOCAL=/data/pkg_repo/src_packages/extra
            unison km-down  -logfile /tmp/unison-down.log -auto -batch  -numericids ssh://reposync@linhes.org/$REMOTE_DIR $LOCAL
            ;;

        chroot-devel )
            echo "updating source packages"
            REMOTE_DIR=/srv/www/repo/src_packages/chroot-devel
            LOCAL=/data/pkg_repo/src_packages/chroot-devel
            unison km-down  -logfile /tmp/unison-down.log -auto -batch  -numericids ssh://reposync@linhes.org/$REMOTE_DIR $LOCAL
            ;;

        *)
            echo "need to know the source repository [testing|release|chroot-devel]"
            exit 1
            ;;
esac
}


function pacman_sync () {
    echo "running 'pacman -Sy' to sync repos"
    pacman -Sy
}

#---------------------------------------------------------------
if [ ! -d $UNISON ]
then
    mkdir $UNISON
fi

if [ ! -f $UNISON/km-down.prf ]
then
    cp -f $cwd/km-down.prf $UNISON/
fi

if [ ! -f $UNISON/km-up.prf ]
then
    cp -f $cwd/km-up.prf $UNISON/
fi



clear
case $1 in
    testing)
        #sync_dirs $REMOTE $LOCAL
        sync_dirs $REMOTE_DIR/$CARCH/core-testing $DOCROOT/core-testing core-testing $2
        sync_dirs $REMOTE_DIR/$CARCH/extra-testing $DOCROOT/extra-testing extra-testing $2
        source_sync testing
        pacman_sync
        ;;

    release)
        sync_dirs $REMOTE_DIR/$CARCH/core $DOCROOT/core core $2
        sync_dirs $REMOTE_DIR/$CARCH/extra $DOCROOT/extra extra $2
        source_sync release
        pacman_sync
        ;;

    chroot-devel)
        echo "will update chroot-devel"
        sync_dirs $REMOTE_DIR/$CARCH/chroot-devel $DOCROOT/chroot-devel chroot-devel $2
        source_sync chroot-devel
        pacman_sync
        ;;

    source)
        if [ x = x$2 ]
        then
            echo "need to know the source repository [testing|release|chroot-devel]"
            exit 1
        fi
        source_sync $2
	pacman_sync
        ;;
    *)
        echo "invalid options"
        echo "kmsync.sh (testing|release|chroot-devel|source[testing|release|chroot-devel]) "
        echo
        echo "EX:  kmsync.sh testing update_db <= will sync the testing repo with km.net update the local database and resync with km.net"
        #echo "kmsync.sh testing oneway <= will syncthe testing repo with km.net update the local database"
        ;;
esac
echo "Finished."
# End