admin/diff-tar-files

   1 #! /bin/sh
   2
   3 # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
   4 #   Free Software Foundation, Inc.
   5 #
   6 # This file is part of GNU Emacs.
   7 #
   8 # GNU Emacs is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3, or (at your option)
  11 # any later version.
  12 #
  13 # GNU Emacs is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with GNU Emacs; see the file COPYING.  If not, write to the
  20 # Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 # Boston, MA 02110-1301, USA.
  22
  23 if [ $# != 2 ]; then
  24     cat <<EOF
  25 Usage: $0 OLD-TAR NEW-TAR
  26
  27 Print a diff of the files in OLD-TAR and NEW-TAR.  Used for checking
  28 the contents of Emacs tar files.
  29 EOF
  30     exit 1;
  31 fi
  32
  33 old_tar=$1
  34 new_tar=$2
  35
  36 old_tmp=/tmp/old.$$
  37 new_tmp=/tmp/new.$$
  38 trap "rm -f $old_tmp $new_tmp; exit 1" 1 2 15
  39
  40 tar tzf $old_tar | sed -e 's,^[^/]*,,' | sort > $old_tmp
  41 tar tzf $new_tar | sed -e 's,^[^/]*,,' | sort > $new_tmp
  42 diff -u $old_tmp $new_tmp
  43 rm -f $new_tmp $old_tmp
  44
  45
  46 # arch-tag: ef2c96e2-ea67-4668-925c-d9a6f3d205cf