bind-9.11.3/util/update_copyrights

	update_copyrights revision e85ffb301b294d70ddc1d90234788403666bb944
d6fa26d0adaec6c910115be34fe7a5a5f402c14fMark Andrews#!/usr/local/bin/perl -w
ddccd5811feff696ba460dabfb666ce61040f545Andreas Gustafsson#
5347c0fcb04eaea19d9f39795646239f487c6207Tinderbox User# Copyright (C) 1998-2000  Internet Software Consortium.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein#
5347c0fcb04eaea19d9f39795646239f487c6207Tinderbox User# Permission to use, copy, modify, and distribute this software for any
5347c0fcb04eaea19d9f39795646239f487c6207Tinderbox User# purpose with or without fee is hereby granted, provided that the above
5347c0fcb04eaea19d9f39795646239f487c6207Tinderbox User# copyright notice and this permission notice appear in all copies.
ddccd5811feff696ba460dabfb666ce61040f545Andreas Gustafsson#
d6fa26d0adaec6c910115be34fe7a5a5f402c14fMark Andrews# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User# SOFTWARE.
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User# $Id: update_copyrights,v 1.14 2000/06/22 22:24:05 tale Exp $
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox Userrequire 5.002;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User# Map copyright owners to the files containing copyright messages.
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User# The first line of the copyright message is not in the file;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User# it is constructed by this script.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox Usermy %owner2filename = (
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    "" => "util/COPYRIGHT",
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    "NAI" => "util/COPYRIGHT.NAI",
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    "BRIEF" => "util/COPYRIGHT.BRIEF",
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    "PORTION" => "util/COPYRIGHT.PORTION",
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User);
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein# Map each copyright owner name to a reference to an array containing
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User# the lines of the copyright message.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox Usermy %owner2text = ();
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox Userforeach $owner (keys %owner2filename) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    my $f = $owner2filename{$owner};
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    open(COPYRIGHT, "<$f") || die "can't open $f: $!";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    @copyright_text = <COPYRIGHT>;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    close(COPYRIGHT);
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    $owner2text{$owner} = [ @copyright_text ];
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein}
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austeinwhile (<>) {
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    ($file, $typeandowner, $years_list) = split(/\s+/);
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    @years = split(/,/, $years_list);
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if ( ! -f $file ) {
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    print "$file: missing\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    next;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User    my ($type, $owner) = split(/\./, $typeandowner);
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $owner = "" if !defined $owner;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $textp = $owner2text{$owner};
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if (!defined $textp) {
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    print "$file: unknown copyright owner $owner\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    next;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    next if $type eq "X";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $before_copyright = "";
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    $c_comment = 0;
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User    $shell_comment = 0;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $m4_comment = 0;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $html_comment = 0;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $zone_comment = 0;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $man_comment = 0;
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    $start_comment = "";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $end_comment = "";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $first = "";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if ($type =~ /^(C|YACC|CONF-C)/) {
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    $c_comment = 1;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $start_comment = "/*\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $prefix = " * ";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $end_comment = " */\n";
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    } elsif ($type =~ /^(SH|PERL|MAKE|CONF-SH)/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $shell_comment = 1;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $prefix = "# ";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif ($type eq "ZONE") {
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    $zone_comment = 1;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $prefix = "; ";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif ($type eq "MAN") {
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    $man_comment = 1;
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User    $prefix = ".\\\" ";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif ($type eq "M4") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $m4_comment = 1;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $prefix = "dnl ";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif ($type eq "HTML") {
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    $html_comment = 1;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $start_comment = "<!--\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $prefix = " - ";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $end_comment = "-->\n";
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    } elsif ($type eq "TXT") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $prefix = "";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } else {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    print "$file: type '$type' not supported yet; skipping\n";
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    next;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    open(SOURCE, "<$file") || die "can't open $file: $!";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $_ = <SOURCE>;
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User    if ($type eq "YACC") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    unless ($_ eq "%{\n") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          print "$file: unexpected yacc file start (expected \"%{\\n\")\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          close(SOURCE);
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User          next;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $before_copyright = "$_";
2eeb74d1cf5355dd98f6d507a10086e16bb08c4bTinderbox User        $_ = <SOURCE>;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    if ($c_comment && /^\/\*/) {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    $_ = <SOURCE>;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    if ($_ !~ /[Cc]opyright/) {
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User        print "$file: non-copyright comment\n";
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        close(SOURCE);
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        next;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if ($_ !~ /\*\//) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        while (<SOURCE>) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        if ($_ =~ /\*\//) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            last;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif ($shell_comment) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if (/^\#\!/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $before_copyright = "$_#\n";
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        $_ = <SOURCE>;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User            $_ = <SOURCE> if $_ eq "#\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if (/^\#/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        if ($_ !~ /[Cc]opyright/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        print "$file: non-copyright comment\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        close(SOURCE);
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        next;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        while (<SOURCE>) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        if ($_ !~ /^\#/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            $first = $_;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            last;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    } else {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $first = $_;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif (($m4_comment || $zone_comment || $man_comment) &&
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User             /^\Q$prefix\E/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        ($nonspaceprefix = $prefix) =~ s/\s+$//;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson        while (/^\Q$nonspaceprefix\E\s*$/) {
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson            $_ = <SOURCE>;
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson        }
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson    if ($_ !~ /[Cc]opyright/) {
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson        print "$file: non-copyright comment\n";
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson        close(SOURCE);
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson        next;
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson    }
8eea877894ea5bcf5cdd9ca124a8601ad421d753Andreas Gustafsson    while (<SOURCE>) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        if ($_ !~ /^\Q$prefix\E/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $first = $_;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        last;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif ($html_comment) {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        if (/^<!DOCTYPE/) {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User          $before_copyright = $_;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User          $_ = <SOURCE>;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        if (/^<!/) {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User          $_ = <SOURCE> if $_ eq "<!--\n";
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User          if ($_ !~ /[Cc]opyright/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        print "$file: non-copyright comment\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        close(SOURCE);
a24330c4805a224191ab687d0291963062fe3355Tinderbox User        next;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          while (defined($_)) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein              last if s/.*-->//;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein              $_ = <SOURCE>;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          print "$file: unterminated comment\n" unless defined($_);
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          if ($_ ne "\n") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein              $first = $_;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          } else {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein              $first = <SOURCE>;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User          }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        } else {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein          $first = $_;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    } elsif ($type eq "TXT") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        if ($_ =~ /[Cc]opyright/) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            $/ = "";            # paragraph at a time
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            while (<SOURCE>) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein                # Not very maintainable, but suitable enough for now.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein                last unless
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein                  /See COPYRIGHT in the source root/ ||
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein                  /Permission to use, copy, modify, and distribute / ||
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User                  /THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET /;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User            }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User            $/ = "\n";
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User        }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        $first = $_;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    } else {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $first = $_;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $first = "" if ! defined($first);
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    open(TARGET, ">$file.new") || die "can't open $file.new: $!";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if ($before_copyright ne "") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    print TARGET $before_copyright;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    if ($start_comment) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    print TARGET $start_comment;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    $years = "";
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    $last_year = 0;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $anchor_year = 0;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    foreach $year (@years) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        if ($last_year != 0 && $year == $last_year + 1) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            if ($year > $anchor_year + 1) {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User                substr($years, $anchor_end) = "-$year";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            } else {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein                $years .= ", $year";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User        } else {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User            $years .= $last_year == 0 ? "$year" : ", $year";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            if ($anchor_year != 0) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein                print "$file: noncontiguous year: $year != $last_year + 1\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            $anchor_year = $year;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein            $anchor_end = length($years);
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        $last_year = $year;
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    }
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    ($firstline, @otherlines) = @$textp;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    $firstline =~ s/\@YEARS\@/$years/;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User    print TARGET "$prefix$firstline";
ddccd5811feff696ba460dabfb666ce61040f545Andreas Gustafsson
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    foreach $_ (@otherlines) {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    print TARGET "${prefix}$_";
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    if ($end_comment) {
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    print TARGET $end_comment;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    if ($first eq "") {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein    $first = <SOURCE>;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    }
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User    if (defined($first)) {
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein        print TARGET "\n";
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein
        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): $!";
    }
}