admin/diff-tar-files

   1 #!/bin/bash
   2
   3 # Copyright (C) 2001-2024 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 <https://www.gnu.org/licenses/>.
  19
  20 source "${0%/*}/emacs-shell-lib"
  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=$2
  34
  35 old_tmp="$(emacs_mktemp ${PN}-old)"
  36 new_tmp="$(emacs_mktemp ${PN}-new)"
  37
  38 tar tf "$old_tar" | sed -e 's,^[^/]*,,' | sort > $old_tmp
  39 tar tf "$new_tar" | sed -e 's,^[^/]*,,' | sort > $new_tmp
  40 diff -u $old_tmp $new_tmp
  41 rm -f $new_tmp $old_tmp