| 1 | #! /bin/sh |
| 2 | |
| 3 | # Copyright (C) 2001-2014 Free Software Foundation, Inc. |
| 4 | |
| 5 | # This file is part of GNU Emacs. |
| 6 | |
| 7 | # GNU Emacs is free software: you can redistribute it and/or modify |
| 8 | # it under the terms of the GNU General Public License as published by |
| 9 | # the Free Software Foundation, either version 3 of the License, or |
| 10 | # (at your option) any later version. |
| 11 | |
| 12 | # GNU Emacs is distributed in the hope that it will be useful, |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | # GNU General Public License for more details. |
| 16 | |
| 17 | # You should have received a copy of the GNU General Public License |
| 18 | # along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 19 | |
| 20 | |
| 21 | if [ $# != 2 ]; then |
| 22 | cat <<EOF |
| 23 | Usage: $0 OLD-TAR NEW-TAR |
| 24 | |
| 25 | Print a diff of the files in OLD-TAR and NEW-TAR. Used for checking |
| 26 | the contents of Emacs tar files. |
| 27 | EOF |
| 28 | exit 1; |
| 29 | fi |
| 30 | |
| 31 | old_tar=$1 |
| 32 | new_tar=$2 |
| 33 | |
| 34 | old_tmp=/tmp/old.$$ |
| 35 | new_tmp=/tmp/new.$$ |
| 36 | trap "rm -f $old_tmp $new_tmp; exit 1" 1 2 15 |
| 37 | |
| 38 | tar tzf $old_tar | sed -e 's,^[^/]*,,' | sort > $old_tmp |
| 39 | tar tzf $new_tar | sed -e 's,^[^/]*,,' | sort > $new_tmp |
| 40 | diff -u $old_tmp $new_tmp |
| 41 | rm -f $new_tmp $old_tmp |