#!/bin/bash
# hendry@hannux.com
# Input: .changes file
# Output: Copies files listed in the .changes file to the mirror
# TODO: Run apt-ftparchive after this
# Props to #bash on Freenode

FLATREPO=/home/hendry/packages/dapper
MIRROR=/home/hendry/mirror/pool/main

for DOTCHANGES in $FLATREPO/*.changes; do

    FILELIST=""
    TEMPFILE=`tempfile`

    # Grab the Files bit to the changes file:
    grep -A7 ^Files: $DOTCHANGES | grep -v ^Files: > $TEMPFILE

    exec < $TEMPFILE # http://wooledge.org/mywiki/BashFaq#faq24
    while read line
    do
    [[ $line ]] || break # quit on empty line
    md5=`echo $line | awk '{print $1}'`
    filename="`dirname $DOTCHANGES`/`echo $line | awk '{print $NF}'`"
    [[ `md5sum $filename | awk '{print $1}'` == $md5 ]] || { echo $filename md5sum mismatch; exit 1; }
    FILELIST="$FILELIST $filename"
    done

    rm $TEMPFILE # don't need this anymore

    SOURCE=`grep ^Source: $DOTCHANGES | awk '{print $NF}'`
    TODIR=$MIRROR/${SOURCE::1}/$SOURCE
    [[ -d $TODIR ]] && rm -rf $TODIR # if something is already there, nuke it
    mkdir -p $TODIR
    cp -v $FILELIST $TODIR
    
done