admin/diff-tar-files

   1 #! /bin/sh
   2
   3 # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   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 of the License, or
  11 # (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.
  20
  21
  22 if [ $# != 2 ]; then
  23     cat <<EOF
  24 Usage: $0 OLD-TAR NEW-TAR
  25
  26 Print a diff of the files in OLD-TAR and NEW-TAR.  Used for checking
  27 the contents of Emacs tar files.
  28 EOF
  29     exit 1;
  30 fi
  31
  32 old_tar=$1
  33 new_tar=$2
  34
  35 old_tmp=/tmp/old.$$
  36 new_tmp=/tmp/new.$$
  37 trap "rm -f $old_tmp $new_tmp; exit 1" 1 2 15
  38
  39 tar tzf $old_tar | sed -e 's,^[^/]*,,' | sort > $old_tmp
  40 tar tzf $new_tar | sed -e 's,^[^/]*,,' | sort > $new_tmp
  41 diff -u $old_tmp $new_tmp
  42 rm -f $new_tmp $old_tmp
  43
  44
  45 # arch-tag: ef2c96e2-ea67-4668-925c-d9a6f3d205cf