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Imported update-copyright; set build-aux in cfg.mk.
This commit is contained in:
Micah Cowan
parent
02e5f41670
commit
35fe2bcefd
@ -1,3 +1,9 @@
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2009-09-04 Micah Cowan <micah@cowan.name>
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* update-copyright: Imported from gnulib.
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* lib/Makefile.am, m4/gnulib-cache.m4, m4/gnulib-comp.m4: Adjusted
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for update-copyright.
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2009-09-03 Micah Cowan <micah@cowan.name>
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* NEWS: Give credit to jff for SSL security fix, call attention to
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@ -9,7 +9,7 @@
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# the same distribution terms as the rest of that program.
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#
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# Generated by gnulib-tool.
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# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --no-libtool --macro-prefix=gl alloca c-ctype getopt getpass-gnu maintainer-makefile quote quotearg strcasestr
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# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --no-libtool --macro-prefix=gl alloca c-ctype getopt getpass-gnu maintainer-makefile quote quotearg strcasestr update-copyright
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AUTOMAKE_OPTIONS = 1.5 gnits
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@ -870,6 +870,13 @@ EXTRA_DIST += unistd.in.h
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## end gnulib module unistd
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## begin gnulib module update-copyright
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EXTRA_DIST += $(top_srcdir)/./update-copyright
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## end gnulib module update-copyright
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## begin gnulib module useless-if-before-free
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@ -15,7 +15,7 @@
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# Specification in the form of a command-line invocation:
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# gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --no-libtool --macro-prefix=gl alloca c-ctype getopt getpass-gnu maintainer-makefile quote quotearg strcasestr
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# gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --no-libtool --macro-prefix=gl alloca c-ctype getopt getpass-gnu maintainer-makefile quote quotearg strcasestr update-copyright
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# Specification in the form of a few gnulib-tool.m4 macro invocations:
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gl_LOCAL_DIR([])
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@ -28,6 +28,7 @@ gl_MODULES([
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quote
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quotearg
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strcasestr
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update-copyright
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])
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gl_AVOID([])
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gl_SOURCE_BASE([lib])
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@ -242,6 +242,7 @@ AC_DEFUN([gltests_LIBSOURCES], [
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# gnulib-tool and may be removed by future gnulib-tool invocations.
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AC_DEFUN([gl_FILE_LIST], [
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build-aux/link-warning.h
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build-aux/update-copyright
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build-aux/useless-if-before-free
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build-aux/vc-list-files
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lib/alloca.c
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258
update-copyright
Executable file
258
update-copyright
Executable file
@ -0,0 +1,258 @@
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#!/usr/bin/perl -0777 -pi
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# Update an FSF copyright year list to include the current year.
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my $VERSION = '2009-08-14.18:56'; # UTC
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# Copyright (C) 2009 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Written by Jim Meyering and Joel E. Denny
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# The arguments to this script should be names of files that contain FSF
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# copyright statements to be updated. For example, you might wish to
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# use the update-copyright target rule in maint.mk from gnulib's
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# maintainer-makefile module.
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#
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# Iff an FSF copyright statement is recognized in a file and the final
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# year is not the current year, then the statement is updated for the
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# new year and it is reformatted to:
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#
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# 1. Fit within 72 columns.
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# 2. Convert 2-digit years to 4-digit years by prepending "19".
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# 3. Expand copyright year intervals. (See "Environment variables"
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# below.)
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#
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# A warning is printed for every file for which no FSF copyright
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# statement is recognized.
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#
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# Each file's FSF copyright statement must be formated correctly in
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# order to be recognized. For example, each of these is fine:
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#
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# Copyright @copyright{} 1990-2005, 2007-2009 Free Software
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# Foundation, Inc.
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#
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# # Copyright (C) 1990-2005, 2007-2009 Free Software
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# # Foundation, Inc.
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#
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# /*
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# * Copyright © 90,2005,2007-2009
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# * Free Software Foundation, Inc.
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# */
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#
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# However, the following format is not recognized because the line
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# prefix changes after the first line:
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#
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# ## Copyright (C) 1990-2005, 2007-2009 Free Software
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# # Foundation, Inc.
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#
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# The following copyright statement is not recognized because the
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# copyright holder is not the FSF:
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#
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# Copyright (C) 1990-2005, 2007-2009 Acme, Inc.
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#
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# However, any correctly formatted FSF copyright statement following
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# either of the previous two copyright statements would be recognized.
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#
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# The exact conditions that a file's FSF copyright statement must meet
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# to be recognized are:
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#
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# 1. It is the first FSF copyright statement that meets all of the
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# following conditions. Subsequent FSF copyright statements are
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# ignored.
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# 2. Its format is "Copyright (C)", then a list of copyright years,
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# and then the name of the copyright holder, which is "Free
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# Software Foundation, Inc.".
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# 3. The "(C)" takes one of the following forms or is omitted
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# entirely:
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#
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# A. (C)
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# B. (c)
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# C. @copyright{}
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# D. ©
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#
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# 4. The "Copyright" appears at the beginning of a line except that it
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# may be prefixed by any sequence (e.g., a comment) of no more than
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# 5 characters.
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# 5. Iff such a prefix is present, the same prefix appears at the
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# beginning of each remaining line within the FSF copyright
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# statement. There is one exception in order to support C-style
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# comments: if the first line's prefix contains nothing but
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# whitespace surrounding a "/*", then the prefix for all subsequent
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# lines is the same as the first line's prefix except with each of
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# "/" and possibly "*" replaced by a " ". The replacement of "*"
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# by " " is consistent throughout all subsequent lines.
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# 6. Blank lines, even if preceded by the prefix, do not appear
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# within the FSF copyright statement.
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# 7. Each copyright year is 2 or 4 digits, and years are separated by
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# commas or dashes. Whitespace may appear after commas.
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#
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# Environment variables:
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#
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# 1. If UPDATE_COPYRIGHT_FORCE=1, a recognized FSF copyright statement
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# is reformatted even if it does not need updating for the new
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# year. If unset or set to 0, only updated FSF copyright
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# statements are reformatted.
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# 2. If UPDATE_COPYRIGHT_USE_INTERVALS=1, every series of consecutive
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# copyright years (such as 90, 1991, 1992-2007, 2008) in a
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# reformatted FSF copyright statement is collapsed to a single
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# interval (such as 1990-2008). If unset or set to 0, all existing
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# copyright year intervals in a reformatted FSF copyright statement
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# are expanded instead.
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# 3. For testing purposes, you can set the assumed current year in
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# UPDATE_COPYRIGHT_YEAR.
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use strict;
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use warnings;
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my $copyright_re = 'Copyright';
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my $circle_c_re = '(?:\([cC]\)|@copyright{}|©)';
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my $holder = 'Free Software Foundation, Inc.';
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my $prefix_max = 5;
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my $margin = 72;
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my $tab_width = 8;
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my $this_year = $ENV{UPDATE_COPYRIGHT_YEAR};
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if (!$this_year || $this_year !~ m/^\d{4}$/)
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{
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my ($sec, $min, $hour, $mday, $month, $year) = localtime (time ());
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$this_year = $year + 1900;
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}
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# Unless the file consistently uses "\r\n" as the EOL, use "\n" instead.
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my $eol = /(?:^|[^\r])\n/ ? "\n" : "\r\n";
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my $leading;
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my $prefix;
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my $ws_re;
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my $stmt_re;
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while (/(^|\n)(.{0,$prefix_max})$copyright_re/g)
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{
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$leading = "$1$2";
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$prefix = $2;
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if ($prefix =~ /^(\s*\/)\*(\s*)$/)
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{
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$prefix =~ s,/, ,;
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my $prefix_ws = $prefix;
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$prefix_ws =~ s/\*/ /; # Only whitespace.
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if (/\G(?:[^*\n]|\*[^\/\n])*\*?\n$prefix_ws/)
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{
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$prefix = $prefix_ws;
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}
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}
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$ws_re = '[ \t\r\f]'; # \s without \n
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$ws_re =
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"(?:$ws_re*(?:$ws_re|\\n" . quotemeta($prefix) . ")$ws_re*)";
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my $holder_re = $holder;
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$holder_re =~ s/\s/$ws_re/g;
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my $stmt_remainder_re =
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"(?:$ws_re$circle_c_re)?"
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. "$ws_re(?:(?:\\d\\d)?\\d\\d(?:,$ws_re?|-))*"
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. "((?:\\d\\d)?\\d\\d)$ws_re$holder_re";
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if (/\G$stmt_remainder_re/)
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{
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$stmt_re =
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quotemeta($leading) . "($copyright_re$stmt_remainder_re)";
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last;
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}
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}
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if (defined $stmt_re)
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{
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/$stmt_re/ or die; # Should never die.
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my $stmt = $1;
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my $final_year_orig = $2;
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# Handle two-digit year numbers like "98" and "99".
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my $final_year = $final_year_orig;
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$final_year <= 99
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and $final_year += 1900;
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if ($final_year != $this_year)
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{
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# Update the year.
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$stmt =~ s/$final_year_orig/$final_year, $this_year/;
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}
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if ($final_year != $this_year || $ENV{'UPDATE_COPYRIGHT_FORCE'})
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{
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# Normalize all whitespace including newline-prefix sequences.
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$stmt =~ s/$ws_re/ /g;
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# Put spaces after commas.
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$stmt =~ s/, ?/, /g;
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# Convert 2-digit to 4-digit years.
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$stmt =~ s/(\b\d\d\b)/19$1/g;
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# Make the use of intervals consistent.
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if (!$ENV{UPDATE_COPYRIGHT_USE_INTERVALS})
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{
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$stmt =~ s/(\d{4})-(\d{4})/join(', ', $1..$2)/eg;
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}
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else
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{
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$stmt =~
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s/
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(\d{4})
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(?:
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(,\ |-)
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((??{
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if ($2 eq '-') { '\d{4}'; }
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elsif (!$3) { $1 + 1; }
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else { $3 + 1; }
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}))
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)+
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/$1-$3/gx;
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}
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# Format within margin.
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my $stmt_wrapped;
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my $text_margin = $margin - length($prefix);
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if ($prefix =~ /^(\t+)/)
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{
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$text_margin -= length($1) * ($tab_width - 1);
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}
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while (length $stmt)
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{
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if (($stmt =~ s/^(.{1,$text_margin})(?: |$)//)
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|| ($stmt =~ s/^([\S]+)(?: |$)//))
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{
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my $line = $1;
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$stmt_wrapped .= $stmt_wrapped ? "$eol$prefix" : $leading;
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$stmt_wrapped .= $line;
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}
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else
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{
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# Should be unreachable, but we don't want an infinite
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# loop if it can be reached.
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die;
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}
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}
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# Replace the old copyright statement.
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s/$stmt_re/$stmt_wrapped/;
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}
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}
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else
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{
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print STDERR "$ARGV: warning: FSF copyright statement not found\n";
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}
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# Local variables:
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# indent-tabs-mode: nil
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# eval: (add-hook 'write-file-hooks 'time-stamp)
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# time-stamp-start: "my $VERSION = '"
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# time-stamp-format: "%:y-%02m-%02d.%02H:%02M"
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# time-stamp-time-zone: "UTC"
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# time-stamp-end: "'; # UTC"
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# End:
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