/usr/share/perl5/Cvs/Command/Diff.pm is in libcvs-perl 0.07-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | package Cvs::Command::Diff;
use strict;
use Cvs::Result::DiffList;
use Cvs::Result::DiffItem;
use base qw(Cvs::Command::Base);
sub init
{
my($self, @file_list) = @_;
$self->SUPER::init(@_) or return;
$self->default_params
(
multiple => 0,
recursive => 1,
from_date => undef,
to_date => undef,
from_revision => undef,
to_revision => undef,
);
my $param = pop @file_list
if ref $file_list[-1] eq 'HASH';
$param = $self->param($param||{});
return
$self->error('can\'t have more than one source type')
if((defined $self->param->{from_date}
and defined $self->param->{from_revision}));
return
$self->error('can\'t have more than one destination type')
if((defined $self->param->{to_date}
and defined $self->param->{to_revision}));
return
$self->error('can\'t have a destination without a source')
if((defined $self->param->{to_revision}
or defined $self->param->{to_date})
and
(not defined $self->param->{from_revision}
and not defined $self->param->{from_revision}));
$self->command('diff');
$self->push_arg('-u2', '-N');
$self->push_arg('-r', $self->param->{from_revision})
if defined $self->param->{from_revision};
$self->push_arg('-D', $self->param->{from_date})
if defined $self->param->{from_date};
$self->push_arg('-r', $self->param->{to_revision})
if defined $self->param->{to_revision};
$self->push_arg('-D', $self->param->{to_date})
if defined $self->param->{to_date};
$self->push_arg(@file_list);
my $main = $self->new_context();
$self->initial_context($main);
my $resultlist;
my $result = $self->err_result('No file in response');
$self->result($result);
$main->push_handler
(
qr/^Index: (.*)\n$/, sub
{
my($match) = @_;
if($self->param->{multiple})
{
unless(defined $resultlist)
{
$resultlist = new Cvs::Result::DiffList;
$self->result($resultlist);
}
$result = new Cvs::Result::DiffItem;
$resultlist->push($result);
}
else
{
if($result->isa('Cvs::Result::DiffItem'))
{
# first item is complete, don't continue
return $main->finish()
}
else
{
$result = new Cvs::Result::DiffItem;
$self->result($result);
}
}
$result->success(1);
$result->filename($match->[1]);
$result->push_diff($match->[0]);
}
);
$main->push_handler
(
qr/^=+$/, sub
{
$result->push_diff(shift->[0]);
}
);
$main->push_handler
(
qr/^RCS file: (.*)\n$/, sub
{
my($match) = @_;
$result->rcs_file($match->[1]);
$result->push_diff($match->[0]);
}
);
$main->push_handler
(
qr/^retrieving revision .*$/, sub
{
$result->push_diff(shift->[0]);
}
);
$main->push_handler
(
qr/^diff .*(?:-r([.\d]+)).*(?: -r([.\d]+))?.*$/, sub
{
my($match) = @_;
$result->from_revision($match->[1]);
$result->to_revision($match->[2]);
$result->push_diff($match->[0]);
}
);
$main->push_handler
(
qr/^cvs server: .*$/, sub
{
# do nothing
}
);
$main->push_handler
(
qr/^\? /, sub
{
# do nothing
}
);
$main->push_handler
(
qr/^[\-\+@ ]/, sub
{
my $line = shift->[0];
if(index($line, '--- /dev/null') == 0)
{
warn "new";
$result->is_added(1);
}
elsif(index($line, '+++ /dev/null') == 0)
{
$result->is_removed(1);
}
$result->push_diff($line);
}
);
return $self;
}
1;
=pod
=head1 LICENCE
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
=head1 COPYRIGHT
Copyright (C) 2003 - Olivier Poitrey
|