#!/bin/sh

ARCH="i686"
TMP="/tmp/sync-$ARCH.check"
LOCAL="/home/ftp/mirrors/ftp.archlinux.org"

ls -1 $LOCAL/$ARCH | while read repo
do
  db="$LOCAL/$ARCH/$repo/$repo.db.tar.gz"
  if [ -e $db ]
  then
    mkdir -p $TMP
    tar xzf $db -C $TMP
    ls -1 $TMP | while read package
    do
      pkg="$LOCAL/$ARCH/$repo/$package.pkg.tar.gz"
      if [ -e $pkg ]
      then
        hash=`md5sum $pkg | awk '{ print $1 }'`
        if ! grep -iq $hash $TMP/$package/desc
        then
          echo "Package $repo/`basename $pkg` is corrupted"
        fi
      else
        echo "Package $repo/`basename $pkg` is missing"
      fi
    done
    rm -rf $TMP
  else
    echo "Database `basename $db` is missing"
  fi
done