#!/bin/bash

#
# This script updates your script files from the official
# unattended repository.
#
# This scripts crawles through your script directory, and
# tries to update every found file from the repository. You can
# define exceptions in this script.
#
# Warning #1: this scripts overwrites YOUR changes to official
# script files without any warning! Please double-check that
# none of your own-written scripts accidentially have the same
# name than any of the official scripts.
#
# Warning #2: it does not add scripts in the repository that are
# not found in your script directory. You have to download
# new scripts once manually.
#
# Warning #3: you might want to call it as cron job, but
# please be not surprised by broken scripts.
# This happens from time to time.
#

#  you can write exceptions like this:
# exceptions=( "win2ksp4-updates.bat" "win2ksp4-symbols.bat" )
exceptions=( )

# HTTP-Link to the cvs-repository
SVNLINK="https://unattended.svn.sourceforge.net/svnroot/unattended/trunk/install/scripts"

# paths to needed programs
WGET=$(which wget)
FIND=$(which find)
GREP=$(which grep)
SORT=$(which sort)
SVN=$(which svn)

# Change to the scripts directory so paths are correct
cd "$(dirname "$0")"/../scripts


if [ ! -f $SVN ]
then
   echo \****** INSTALL SVN ON YOUR SYSTEM *************\*
fi

#If there is SVN information when use svn as it has better support
if [ -d .svn ]
then
    $SVN up
    exit 0
else
    echo \****** MISING SVN INFO *************\*
    echo \*            RUN:
    echo \*   mv scripts scripts.old
    echo \*   svn co $SVNLINK scripts 
    echo \****** MISING SVN INFO *************\*
fi


# crawl through the script-dir
for file in $($FIND . -type f -name "*.bat" | $GREP -v .svn | $SORT)
do
    if [[ "${exceptions[@]%%${file##./}}" != "${exceptions[@]}" ]]; then continue; fi
    if $WGET $1 --output-document "$file.$$.tmp" $SVNLINK/$file
    then
        mv "$file.$$.tmp" "$file"
    else
        rm -f "$file.$$.tmp"
    fi
done