update_copyrights revision 178f6ad061e54bc5babfca3577f72058fa0797c1
#!/usr/local/bin/perl -w
if (@ARGV == 0) {
die "usage: update_copyrights <copyright_text>";
}
@copyright_text = ();
open(COPYRIGHT, "<$ARGV[0]") || die "can't open $ARGV[0]: $!";
@copyright_text = <>;
close(COPYRIGHT);
while (<>) {
($file, $type, $years_list) = split(/\s+/);
@years = split(/,/, $years_list);
if ( ! -f $file ) {
print "$file: missing\n";
}
if ($type eq "X") {
print "$file: X type; skipping\n";
next;
}
$before_copyright = "";
$c_comment = 0;
$shell_comment = 0;
$first = "";
if ($type eq "C") {
$c_comment = 1;
$prefix = " * ";
} elsif ($type eq "SH" || $type eq "PERL" || $type eq "MAKE") {
$shell_comment = 1;
$prefix = "# ";
} else {
print "$file: type '$type' not supported yet; skipping\n";
next;
}
open(SOURCE, "<$file") || die "can't open $file: $!";
$_ = <SOURCE>;
if ($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";
$_ = <SOURCE>;
if ($_ eq "#\n") {
$_ = <SOURCE>;
}
}
if (/^\#/) {
if ($_ !~ /[Cc]opyright/) {
print "$file: non-copyright comment\n";
close(SOURCE);
next;
}
while (<SOURCE>) {
if ($_ !~ /^\#/) {
$first = $_;
last;
}
}
} else {
$first = $_;
}
} else {
$first = $_;
}
open(TARGET, ">$file.new") || die "can't open $file.new: $!";
if ($before_copyright ne "") {
print TARGET $before_copyright;
}
if ($c_comment) {
print TARGET "/*\n";
}
print TARGET "${prefix}Copyright (C) ";
$first_year = 1;
foreach $year (@years) {
if (! $first_year) {
print TARGET ", ";
}
print TARGET "$year";
$first_year = 0;
}
print TARGET " Internet Software Consortium.\n";
print TARGET "$prefix\n";
foreach $_ (@copyright_text) {
print TARGET "${prefix}$_";
}
if ($c_comment) {
print TARGET " */\n";
}
if ($first eq "") {
$first = <SOURCE>;
}
if ($first ne "") {
if ($first !~ /^\s*$/) {
print TARGET "\n";
}
print TARGET $first;
while (<SOURCE>) {
print TARGET $_;
}
}
close(TARGET);
close(SOURCE);
rename("$file", "$file.bak") || die "rename($file, $file.bak): $!";
rename("$file.new", "$file") || die "rename($file.new, $file): $!";
}