update_copyrights revision d7e7a17b7619a6de52951d095d3ee6463df41dfa
431N/A#!/usr/local/bin/perl -w
431N/A#
431N/A# Copyright (C) 1998-2000 Internet Software Consortium.
431N/A#
431N/A# Permission to use, copy, modify, and distribute this software for any
431N/A# purpose with or without fee is hereby granted, provided that the above
431N/A# copyright notice and this permission notice appear in all copies.
431N/A#
431N/A# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
431N/A# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
431N/A# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
431N/A# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
431N/A# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
431N/A# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
431N/A# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
431N/A# SOFTWARE.
431N/A
431N/A# $Id: update_copyrights,v 1.15 2000/06/28 19:26:53 tale Exp $
431N/A
431N/Arequire 5.002;
844N/A
431N/A# Map copyright owners to the files containing copyright messages.
431N/A# The first line of the copyright message is not in the file;
431N/A# it is constructed by this script.
431N/A
431N/Amy %owner2filename = (
618N/A "" => "util/COPYRIGHT",
431N/A "NAI" => "util/COPYRIGHT.NAI",
431N/A "BRIEF" => "util/COPYRIGHT.BRIEF",
844N/A "PORTION" => "util/COPYRIGHT.PORTION",
844N/A);
618N/A
1258N/A# Map each copyright owner name to a reference to an array containing
431N/A# the lines of the copyright message.
431N/A
431N/Amy %owner2text = ();
431N/A
431N/Aforeach $owner (keys %owner2filename) {
431N/A my $f = $owner2filename{$owner};
431N/A open(COPYRIGHT, "<$f") || die "can't open $f: $!";
431N/A @copyright_text = <COPYRIGHT>;
431N/A close(COPYRIGHT);
431N/A $owner2text{$owner} = [ @copyright_text ];
431N/A}
431N/A
431N/Awhile (<>) {
431N/A ($file, $typeandowner, $years_list) = split(/\s+/);
431N/A @years = split(/,/, $years_list);
431N/A
431N/A if ( ! -f $file ) {
431N/A print "$file: missing\n";
431N/A next;
431N/A }
431N/A
431N/A my ($type, $owner) = split(/\./, $typeandowner);
$owner = "" if !defined $owner;
$textp = $owner2text{$owner};
if (!defined $textp) {
print "$file: unknown copyright owner $owner\n";
next;
}
next if $type eq "X";
$before_copyright = "";
$c_comment = 0;
$shell_comment = 0;
$m4_comment = 0;
$html_comment = 0;
$zone_comment = 0;
$man_comment = 0;
$start_comment = "";
$end_comment = "";
$first = "";
if ($type =~ /^(C|YACC|CONF-C)/) {
$c_comment = 1;
$start_comment = "/*\n";
$prefix = " * ";
$end_comment = " */\n";
} elsif ($type =~ /^(SH|PERL|MAKE|CONF-SH)/) {
$shell_comment = 1;
$prefix = "# ";
} elsif ($type eq "ZONE") {
$zone_comment = 1;
$prefix = "; ";
} elsif ($type eq "MAN") {
$man_comment = 1;
$prefix = ".\\\" ";
} elsif ($type eq "M4") {
$m4_comment = 1;
$prefix = "dnl ";
} elsif ($type eq "HTML") {
$html_comment = 1;
$start_comment = "<!--\n";
$prefix = " - ";
$end_comment = "-->\n";
} elsif ($type eq "TXT") {
$prefix = "";
} else {
print "$file: type '$type' not supported yet; skipping\n";
next;
}
($nonspaceprefix = $prefix) =~ s/\s+$//;
open(SOURCE, "<$file") || die "can't open $file: $!";
$_ = <SOURCE>;
if ($type eq "YACC") {
unless ($_ eq "%{\n") {
print "$file: unexpected yacc file start (expected \"%{\\n\")\n";
close(SOURCE);
next;
}
$before_copyright = "$_";
$_ = <SOURCE>;
}
if ($c_comment && /^\/\*/) {
$_ = <SOURCE>;
if ($_ !~ /[Cc]opyright/) {
print "$file: non-copyright comment\n";
close(SOURCE);
next;
}
if ($_ !~ /\*\//) {
while (<SOURCE>) {
if ($_ =~ /\*\//) {
last;
}
}
}
} elsif ($shell_comment) {
if (/^\#\!/) {
$before_copyright = "$_#\n";
$_ = <SOURCE>;
$_ = <SOURCE> if $_ eq "#\n";
}
if (/^\#/) {
if ($_ !~ /[Cc]opyright/) {
print "$file: non-copyright comment\n";
close(SOURCE);
next;
}
while (<SOURCE>) {
if ($_ !~ /^\#/) {
$first = $_;
last;
}
}
} else {
$first = $_;
}
} elsif (($m4_comment || $zone_comment || $man_comment) &&
/^\Q$nonspaceprefix\E/) {
while (/^\Q$nonspaceprefix\E\s*$/) {
$_ = <SOURCE>;
}
if ($_ !~ /[Cc]opyright/) {
print "$file: non-copyright comment\n";
close(SOURCE);
next;
}
while (<SOURCE>) {
if ($_ !~ /^\Q$nonspaceprefix\E/) {
$first = $_;
last;
}
}
} elsif ($html_comment) {
if (/^<!DOCTYPE/) {
$before_copyright = $_;
$_ = <SOURCE>;
}
if (/^<!/) {
$_ = <SOURCE> if $_ eq "<!--\n";
if ($_ !~ /[Cc]opyright/) {
print "$file: non-copyright comment\n";
close(SOURCE);
next;
}
while (defined($_)) {
last if s/.*-->//;
$_ = <SOURCE>;
}
print "$file: unterminated comment\n" unless defined($_);
if ($_ ne "\n") {
$first = $_;
} else {
$first = <SOURCE>;
}
} else {
$first = $_;
}
} elsif ($type eq "TXT") {
if ($_ =~ /[Cc]opyright/) {
$/ = ""; # paragraph at a time
while (<SOURCE>) {
# Not very maintainable, but suitable enough for now.
last unless
/See COPYRIGHT in the source root/ ||
/Permission to use, copy, modify, and distribute / ||
/THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET /;
}
$/ = "\n";
}
$first = $_;
} else {
$first = $_;
}
$first = "" if ! defined($first);
open(TARGET, ">$file.new") || die "can't open $file.new: $!";
if ($before_copyright ne "") {
print TARGET $before_copyright;
}
if ($start_comment) {
print TARGET $start_comment;
}
$years = "";
$last_year = 0;
$anchor_year = 0;
foreach $year (@years) {
if ($last_year != 0 && $year == $last_year + 1) {
if ($year > $anchor_year + 1) {
substr($years, $anchor_end) = "-$year";
} else {
$years .= ", $year";
}
} else {
$years .= $last_year == 0 ? "$year" : ", $year";
if ($anchor_year != 0) {
print "$file: noncontiguous year: $year != $last_year + 1\n";
}
$anchor_year = $year;
$anchor_end = length($years);
}
$last_year = $year;
}
($firstline, @otherlines) = @$textp;
$firstline =~ s/\@YEARS\@/$years/;
print TARGET "$prefix$firstline";
foreach $_ (@otherlines) {
print TARGET "${prefix}$_";
}
if ($end_comment) {
print TARGET $end_comment;
}
if ($first eq "") {
$first = <SOURCE>;
}
if (defined($first)) {
print TARGET "\n";
undef $/;
$_ = <SOURCE>;
$/ = "\n";
my $pat = '\$(Id|Revision):.*\$';
my ($start, $end);
if ($start_comment ne "") {
($start = $start_comment) =~ s/\s*\n/ /;
($end = $end_comment) =~ s/^\s*(.*)\n/ $1\n/;
} elsif ($prefix ne "") {
($start = $prefix) =~ s/\s*\n//;
$end = "\n";
} else {
$start = "";
$end = "\n";
}
if ($first !~ /$pat/ && $_ !~ /$pat/) {
print TARGET "$start\$";
print TARGET "Id: ";
print TARGET "\$$end\n";
}
print TARGET $first if $first !~ /^\s*$/;
print TARGET $_;
}
close(TARGET);
close(SOURCE);
$mode = (stat $file)[2]&511;
chmod $mode, "$file.new";
if (system("cmp -s $file.new $file") == 0) {
unlink("$file.new");
} else {
rename("$file", "$file.bak") || die "rename($file, $file.bak): $!";
rename("$file.new", "$file") || die "rename($file.new, $file): $!";
}
}