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#!/usr/bin/perl -w
# Written by Zack Rusin <zack@kde.org>
#
# This file is free software, licensed under the BSD licence.
# That means that you can do anything you want with it except
# eating too much candy since that totally messes up your teeth
# and here in KDE land we care about your teeth. They're out
# greatest priority right next to scoring chicks of course...
#
# This script goes through the whole history of a file to find
# all modifications referencing specific string. It's useful if
# you want to know when a function has been removed/modified/added
# to a file if a recent cvs annotate doesn't anymore reference it.
our $file;
our $func;
sub check_file
{
my $rev1 = shift;
my $rev2 = shift;
my $output = `cvs diff -r $rev1 -r $rev2 $file`;
if ( $output =~ /(^[+-].+$func.+$)/m ) {
print "FOUND IN: cvs diff -r $rev1 -r $rev2 $file\n";
$_ = $1;
s/^([-+])\s*(.+)/$1 $2/;
return $_;
}
return 0;
}
sub get_revision
{
my $output = `cvsversion $file`;
chomp $output;
return $output;
}
my $argc = scalar @ARGV;
die "$0 <function> <file>" if ( $argc != 2 );
$func = $ARGV[0];
$file = $ARGV[1];
my $current_revision = get_revision( $file );
$current_revision =~ /(\d+)\.(\d+)/;
$base = $1;
$working = $2;
while ( $working > 1 ) {
my $older = $working - 1;
my $res = check_file( "$base.$older", "$base.$working");
if ( $res ) {
print "\t($res)\n";
}
--$working;
}
print "Didn't find a reference to that $func in $file\n";
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