diff options
Diffstat (limited to 'build-aux/update-copyright')
| -rwxr-xr-x | build-aux/update-copyright | 167 |
1 files changed, 86 insertions, 81 deletions
diff --git a/build-aux/update-copyright b/build-aux/update-copyright index 99196fc..ea3e46f 100755 --- a/build-aux/update-copyright +++ b/build-aux/update-copyright @@ -3,7 +3,7 @@ # Update an FSF copyright year list to include the current year. -# Copyright (C) 2009-2023 Free Software Foundation, Inc. +# Copyright (C) 2009-2024 Free Software Foundation, Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -98,7 +98,8 @@ # 6. Blank lines, even if preceded by the prefix, do not appear # within the FSF copyright statement. # 7. Each copyright year is 2 or 4 digits, and years are separated by -# commas, "-", or "--". Whitespace may appear after commas. +# commas, "-", "--", or "\(en" (for troff). Whitespace may appear +# after commas. # # Environment variables: # @@ -122,7 +123,7 @@ # 5. Set UPDATE_COPYRIGHT_HOLDER if the copyright holder is other # than "Free Software Foundation, Inc.". -# This is a prologue that allows to run a perl script as an executable +# This is a prologue that allows running a perl script as an executable # on systems that are compliant to a POSIX version before POSIX:2017. # On such systems, the usual invocation of an executable through execlp() # or execvp() fails with ENOEXEC if it is a script that does not start @@ -137,7 +138,7 @@ eval 'exec perl -wSx -0777 -pi "$0" "$@"' if 0; -my $VERSION = '2023-01-11.04:24'; # UTC +my $VERSION = '2024-01-15.18:30'; # UTC # The definition above must lie within the first 8 lines in order # for the Emacs time-stamp write hook (at end) to update it. # If you change this file with Emacs, please let the write hook @@ -145,9 +146,11 @@ my $VERSION = '2023-01-11.04:24'; # UTC use strict; use warnings; +use re 'eval'; my $copyright_re = 'Copyright'; my $circle_c_re = '(?:\([cC]\)|@copyright\{}|\\\\\(co|©|©)'; +my $ndash_re = '(?:--?|\\\\\(en)'; my $holder = $ENV{UPDATE_COPYRIGHT_HOLDER}; $holder ||= 'Free Software Foundation, Inc.'; my $prefix_max = 5; @@ -167,14 +170,13 @@ if (!$this_year || $this_year !~ m/^\d{4}$/) # Unless the file consistently uses "\r\n" as the EOL, use "\n" instead. my $eol = /(?:^|[^\r])\n/ ? "\n" : "\r\n"; -my $leading; -my $prefix; -my $ws_re; my $stmt_re; -while (/(^|\n)(.{0,$prefix_max})$copyright_re/g) +my $found; +while (/(^|\n)(.{0,$prefix_max})$copyright_re/cg) { - $leading = "$1$2"; - $prefix = $2; + my $pos=pos(); + my $leading = "$1$2"; + my $prefix = $2; if ($prefix =~ /^(\s*\/)\*(\s*)$/) { $prefix =~ s,/, ,; @@ -185,105 +187,108 @@ while (/(^|\n)(.{0,$prefix_max})$copyright_re/g) $prefix = $prefix_ws; } } - $ws_re = '[ \t\r\f]'; # \s without \n + my $ws_re = '[ \t\r\f]'; # \s without \n $ws_re = "(?:$ws_re*(?:$ws_re|\\n" . quotemeta($prefix) . ")$ws_re*)"; my $holder_re = $holder; $holder_re =~ s/\s/$ws_re/g; my $stmt_remainder_re = "(?:$ws_re$circle_c_re)?" - . "$ws_re(?:(?:\\d\\d)?\\d\\d(?:,$ws_re?|--?))*" + . "$ws_re(?:(?:\\d\\d)?\\d\\d(?:,$ws_re?|$ndash_re))*" . "((?:\\d\\d)?\\d\\d)$ws_re$holder_re"; if (/\G$stmt_remainder_re/) { + $found = 1; $stmt_re = quotemeta($leading) . "($copyright_re$stmt_remainder_re)"; - last; - } - } -if (defined $stmt_re) - { - /$stmt_re/ or die; # Should never die. - my $stmt = $1; - my $final_year_orig = $2; - # Handle two-digit year numbers like "98" and "99". - my $final_year = $final_year_orig; - $final_year <= 99 - and $final_year += 1900; + /$stmt_re/ or die; # Should never die. + my $stmt = $1; + my $final_year_orig = $2; - if ($final_year != $this_year) - { - # Update the year. - $stmt =~ s/\b$final_year_orig\b/$final_year, $this_year/; - } - if ($final_year != $this_year || $ENV{'UPDATE_COPYRIGHT_FORCE'}) - { - # Normalize all whitespace including newline-prefix sequences. - $stmt =~ s/$ws_re/ /g; + # Handle two-digit year numbers like "98" and "99". + my $final_year = $final_year_orig; + $final_year <= 99 + and $final_year += 1900; - # Put spaces after commas. - $stmt =~ s/, ?/, /g; - - # Convert 2-digit to 4-digit years. - $stmt =~ s/(\b\d\d\b)/19$1/g; - - # Make the use of intervals consistent. - if (!$ENV{UPDATE_COPYRIGHT_USE_INTERVALS}) + if ($final_year != $this_year) { - $stmt =~ s/(\d{4})--?(\d{4})/join(', ', $1..$2)/eg; + # Update the year. + $stmt =~ s/(^|[^\d])$final_year_orig\b/$1$final_year, $this_year/; } - else + if ($final_year != $this_year || $ENV{'UPDATE_COPYRIGHT_FORCE'}) { - my $ndash = $ARGV =~ /\.tex(i(nfo)?)?$/ ? "--" : "-"; + # Normalize all whitespace including newline-prefix sequences. + $stmt =~ s/$ws_re/ /g; - $stmt =~ - s/ - (\d{4}) - (?: - (,\ |--?) - ((??{ - if ($2 ne ', ') { '\d{4}'; } - elsif (!$3) { $1 + 1; } - else { $3 + 1; } - })) - )+ - /$1$ndash$3/gx; + # Put spaces after commas. + $stmt =~ s/, ?/, /g; - # When it's 2, emit a single range encompassing all year numbers. - $ENV{UPDATE_COPYRIGHT_USE_INTERVALS} == 2 - and $stmt =~ s/\b(\d{4})\b.*\b(\d{4})\b/$1$ndash$2/; - } + # Convert 2-digit to 4-digit years. + $stmt =~ s/(\b\d\d\b)/19$1/g; - # Format within margin. - my $stmt_wrapped; - my $text_margin = $margin - length($prefix); - if ($prefix =~ /^(\t+)/) - { - $text_margin -= length($1) * ($tab_width - 1); - } - while (length $stmt) - { - if (($stmt =~ s/^(.{1,$text_margin})(?: |$)//) - || ($stmt =~ s/^([\S]+)(?: |$)//)) + # Make the use of intervals consistent. + if (!$ENV{UPDATE_COPYRIGHT_USE_INTERVALS}) { - my $line = $1; - $stmt_wrapped .= $stmt_wrapped ? "$eol$prefix" : $leading; - $stmt_wrapped .= $line; + $stmt =~ s/(\d{4})$ndash_re(\d{4})/join(', ', $1..$2)/eg; } else { - # Should be unreachable, but we don't want an infinite - # loop if it can be reached. - die; + my $ndash = ($ARGV =~ /\.tex(i(nfo)?)?$/ ? "--" + : $ARGV =~ /\.(\d[a-z]*|man)$/ ? "\\(en" + : "-"); + + $stmt =~ + s/ + (\d{4}) + (?: + (,\ |$ndash_re) + ((??{ + if ($2 ne ', ') { '\d{4}'; } + elsif (!$3) { $1 + 1; } + else { $3 + 1; } + })) + )+ + /$1$ndash$3/gx; + + # When it's 2, emit a single range encompassing all year numbers. + $ENV{UPDATE_COPYRIGHT_USE_INTERVALS} == 2 + and $stmt =~ s/(^|[^\d])(\d{4})\b.*(?:[^\d])(\d{4})\b/$1$2$ndash$3/; } - } - # Replace the old copyright statement. - s/$stmt_re/$stmt_wrapped/g; + # Format within margin. + my $stmt_wrapped; + my $text_margin = $margin - length($prefix); + if ($prefix =~ /^(\t+)/) + { + $text_margin -= length($1) * ($tab_width - 1); + } + while (length $stmt) + { + if (($stmt =~ s/^(.{1,$text_margin})(?: |$)//) + || ($stmt =~ s/^([\S]+)(?: |$)//)) + { + my $line = $1; + $stmt_wrapped .= $stmt_wrapped ? "$eol$prefix" : $leading; + $stmt_wrapped .= $line; + } + else + { + # Should be unreachable, but we don't want an infinite + # loop if it can be reached. + die; + } + } + + # Replace the old copyright statement. + my $p = pos(); + s/$stmt_re/$stmt_wrapped/g; + pos() = $p; + } } } -else + +if (!$found) { print STDERR "$ARGV: warning: copyright statement not found\n"; } |