package VCS::Rcs::Version;
use File::Basename;
use vars qw(@ISA $DIFF_CMD $UPDATE_CMD);
use strict;
@ISA = qw(VCS::Rcs VCS::Version);
$DIFF_CMD = "rcsdiff -u2";
$UPDATE_CMD = "co -p";
sub new {
my ($class, $url) = @_;
my $self = $class->init($url);
my $path = $self->path;
die "$class->new: $path: $!\n" unless -f $path;
die "$class->new: $path not in an RCS directory: $!\n"
unless -d dirname($path) . '/RCS' or -f "$path,v";
$self;
}
sub tags {
my $self = shift;
my ($header, $log) = $self->_split_log($self->{VERSION});
my $header_info = $self->_parse_log_header($header);
my %rev2tags;
my $tag_text = $header_info->{'symbolic names'};
#warn "t_t: $tag_text\n";
$tag_text =~ s#^\s+##gm;
#warn "t_t2: $tag_text\n";
# return () unless defined ($rev2tags{$self->{VERSION}});
map {
my ($tag, $rev) = split /:\s*/;
push @{$rev2tags{$rev}}, $tag;
} split /\n/, $tag_text;
@{ $rev2tags{$self->{VERSION}} || [] };
}
sub text {
my $self = shift;
$self->_read_pipe(
"$UPDATE_CMD -r$self->{VERSION} $self->{PATH} 2>/dev/null |"
);
}
sub diff {
my $self = shift;
my $other = shift;
#print "$self -> $other\n";
my $text = '';
if (ref($other) eq ref($self)) {
my $cmd = join ' ',
$DIFF_CMD,
(map { "-r$_" } $self->version, $other->version),
$self->{PATH},
' 2>&1 |';
$text = $self->_read_pipe($cmd);
$text =~ s#.*^diff.*?\n##ms;
#print "cmd: $cmd gave $text\n";
}
$text;
}
sub author {
shift->_boiler_plate_info('author');
}
sub date {
shift->_boiler_plate_info('date');
}
sub reason {
join "\n", @{shift->_boiler_plate_info('reason')};
}
1;