#!/bin/bash

# Get current distribution
DIST="$( grep ^DISTRIB_CODENAME /etc/lsb-release | cut -d= -f2 )1"

if [ -z "$@" ] ; then
        PKG_DIR="/srv/smb/"
        mkdir -p $PKG_DIR &>/dev/null
        mount -t cifs -o username=xbmc,password=xbmc \
                //10.144.20.100/xbmc-debs /srv/smb
else
        PKG_DIR="$@"
fi

# Find list of installed xbmc packages
PACKAGE_LIST="$( dpkg -l 'xbmc*' | grep ^ii | cut -d\  -f3 )"

echo "Searching for the latest available XBMC version"
aptitude update &>/dev/null

LATEST_PPA="$( aptitude show xbmc-bin | grep ^Version | cut -d: -f3 | sed -e "s,-karmic1,," -e "s,-maverick1,," )"
LATEST_DEB="$( ls $PKG_DIR/$DIST/ | tail -n1 )"

if [ "xbmc-$LATEST_PPA" != "$LATEST_DEB" ] ; then
        echo -n " o Found a newer PPA: $LATEST_DEB"

        # Build the list of installable deb's
        cd $PKG_DIR/$DIST/$LATEST_DEB &>/dev/null
        for pkg in $PACKAGE_LIST; do
                PKG_LIST="$PKG_LIST $( ls $pkg* )"
        done

        # Actually install the deb's
        dpkg -i $PKG_LIST &>/dev/null
        [ $? -eq 0 ] && echo " ... finished! :)" || echo " ... failed! :("
        set +x
else
        echo " o No newer PPA found: $LATEST_PPA."
fi

[ "$( mount | grep ${PKG_DIR%/*} )" != "" ] && umount $PKG_DIR