#!/bin/bash
### rcmp - recursively compare two directories
### Copyright (C) 1999  Arne Zellentin <arne@unix-ag.org>

### This program is free software; you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 2 of the License, or
### (at your option) any later version.

### This program is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
### GNU General Public License for more details.

### You should have received a copy of the GNU General Public License
### along with this program; if not, write to the Free Software
### Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

### see http://www.home.unix-ag.org/arne/scripToys/ for details.
#
# usage: rcmp [-v] <dir1> <dir2>
# use the "-v" option to have filenames printed as they are compared


if [ "$1" = -t ] ; then # tar mode, not really useful.
  cd "$2"
  tar cf - . | ( cd - ; cd "$3" ; tar dvf - ) && echo "All OK." && exit 0
  echo "Something was wrong.."
  exit 1
fi

flag=/tmp/rcmp.$$.error

if rm -f $flag ; then
cd .
else
  echo "Trouble cleaning tmp file $flag"
  exit 1
fi

verb=0
if [ "$1" = "-v" ] ; then
  verb=1
  shift
fi

cd "$2"
dest="$PWD"
cd -
cd "$1"

if [ $verb = 1 ] ; then
  find -type f -print -not -exec cmp '{}' "$dest"/'{}' \; -exec sh -c 'echo "'{}'" >> '$flag \;
else
  find -type f -not -exec cmp '{}' "$dest"/'{}' \; -exec sh -c 'echo "'{}'" >> '$flag \; 2>&1 > /dev/null
fi

if [ -f $flag ] ; then
  echo "--------------------------------------------------"
  echo "The following files do not match their counterparts:"
  cat $flag
  exit 1
else
  echo "All OK."
fi