#!perl -w

# Copyright (C) 1997 Capella Computers Ltd.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program 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 General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

# :FILE:
# Diff edited file from baseline.

use strict;
use English;
use P4;

# Takes (optional) job id and (optional) file names.
sub usage {
    P4::crash("Usage: p4fdiff [<job>] [<diff-flags>] [<file-name> ...]");
}

# Parse command line.
my $job;
if ($#ARGV < 0
 || $ARGV[0] eq '-h') {
    usage();
} elsif ($ARGV[0] =~ /^\d+$/) {
    $job = shift(@ARGV);
} else {
    $job = P4::current_job('baseline');
}

# No need for a lock since this is a harmless read-only operation.

# Obtain job's record.
my %record = P4::job_record($job);

# Verify pre-conditions.
P4::verify_job_status($job, \%record, 'work', 'integ');
my $status = $record{status};
if ($status eq 'work') {
    P4::verify_job_user($job, \%record, P4::current_user());
    P4::verify_job_development_client($job, \%record, P4::current_client());
} else {
    P4::verify_current_user($job, \%record, 'integ');
    P4::verify_job_integration_client($job, \%record, P4::current_client());
}

# Diff all files. This produces output for the caller.
P4::diff_files(@ARGV);

# Be nice.
1;