admin/update-copyright

   1 #! /bin/sh
   2 # Update the copyright dates in Emacs sources.
   3 # Typical usage:
   4 #
   5 #       admin/update-copyright
   6 #
   7 # By default, this script uses the local-time calendar year.
   8 # Set the UPDATE_COPYRIGHT_YEAR environment variable to override the default.
   9
  10 # Copyright 2013-2024 Free Software Foundation, Inc.
  11
  12 # This file is part of GNU Emacs.
  13
  14 # GNU Emacs is free software: you can redistribute it and/or modify
  15 # it under the terms of the GNU General Public License as published by
  16 # the Free Software Foundation, either version 3 of the License, or
  17 # (at your option) any later version.
  18
  19 # GNU Emacs is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23
  24 # You should have received a copy of the GNU General Public License
  25 # along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  26
  27 # written by Paul Eggert
  28
  29 # FIXME: The file 'notes/copyright' says that the AIST copyright years
  30 # should be updated, but by inspection it appears that some should be
  31 # updated and some should not be, due to registration numbers, so
  32 # this script leaves these copyright years alone for now.
  33
  34 set -o nounset
  35
  36 : ${UPDATE_COPYRIGHT_USE_INTERVALS=1}
  37 export UPDATE_COPYRIGHT_USE_INTERVALS
  38
  39 : ${UPDATE_COPYRIGHT_YEAR=$(date +%Y)}
  40 export UPDATE_COPYRIGHT_YEAR
  41
  42 emacsver=etc/refcards/emacsver.tex.in
  43 sed 's/\\def\\year[{][0-9]*[}]/\\def\\year{'"$UPDATE_COPYRIGHT_YEAR"'}'/g \
  44   $emacsver >$emacsver.aux &&
  45 { cmp -s $emacsver $emacsver.aux ||
  46   cp $emacsver.aux $emacsver
  47 } &&
  48 rm $emacsver.aux &&
  49
  50 repo_files=$(git ls-files) &&
  51
  52 # Do not update the copyright of files that have one or more of the
  53 # following problems:
  54 # . They are license files, maintained by the FSF, with their own dates.
  55 # . They are GMP files, maintained by the GMP project, with their own dates.
  56 # . Their format cannot withstand changing the contents of copyright strings.
  57
  58 updatable_files=$(find $repo_files \
  59   ! -name COPYING \
  60   ! -name doclicense.texi \
  61   ! -name gpl.texi \
  62   ! -name '*-gzipped' \
  63   ! -name '*.ico' \
  64   ! -name '*.icns' \
  65   ! -name '*.pbm' \
  66   ! -name '*.pdf' \
  67   ! -name '*.png' \
  68   ! -name '*.sig' \
  69   ! -name '*.tar' \
  70   ! -name '*.tiff' \
  71   ! -name '*.xpm' \
  72   ! -name eterm-color \
  73   ! -name hand.cur \
  74   ! -name key.pub \
  75   ! -name key.sec \
  76   ! -name 'mini-gmp.[ch]' \
  77   -print) &&
  78
  79 build-aux/update-copyright $updatable_files
  80
  81 printf ">>> Please remember to search for and manually update any\n"
  82 printf ">>> copyright years that were not updated by this script.\n"
  83 printf ">>> See the file 'admin/notes/years' for details.\n"