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#!/usr/bin/perl
#################################################################
# copyright.pl -- update copyright notices throughout the source tree, idempotently.
#
# Copyright (c) 2011-2012, PostgreSQL Global Development Group
#
# src/tools/copyright.pl
#################################################################
use strict;
use warnings;
use File::Find;
use Tie::File;
my $pgdg = 'PostgreSQL Global Development Group';
my $cc = 'Copyright \(c\) ';
# year-1900 is what localtime(time) puts in element 5
my $year = 1900 + ${ [ localtime(time) ] }[5];
print "Using current year: $year\n";
find({ wanted => \&wanted, no_chdir => 1 }, '.');
sub wanted
{
# prevent corruption of git indexes by ignoring any .git/
if ($_ eq '.git')
{
$File::Find::prune = 1;
return;
}
return if !-f $File::Find::name || -l $File::Find::name;
# skip file names with binary extensions
# How are these updated? bjm 2012-01-02
return if ($_ =~ m/\.(ico|bin)$/);
my @lines;
tie @lines, "Tie::File", $File::Find::name;
foreach my $line (@lines)
{
# We only care about lines with a copyright notice.
next unless $line =~ m/$cc . *$pgdg /;
# We stop when we've done one substitution. This is both for
# efficiency and, at least in the case of this program, for
# correctness.
last if $line =~ m/$cc.*$year.*$pgdg/;
last if $line =~ s/($cc\d{4})(, $pgdg)/$1-$year$2/;
last if $line =~ s/($cc\d{4})-\d{4}(, $pgdg)/$1-$year$2/;
}
untie @lines;
}
print
"Manually update doc/src/sgml/legal.sgml and src/interfaces/libpq/libpq.rc.in too.\n";
print
"Also update ./COPYRIGHT and doc/src/sgml/legal.sgml in all back branches.\n";
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