#!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:
# Synchronize a development directory with updated baseline.

use strict;
use English;
use P4;

# Takes (optional) job id.
sub usage {
    P4::crash("Usage: p4ws [<job>] [-r] [-n|-af|-am|-at|-ay]");
}

# Parse command line.
my $job;
if ($#ARGV < 0) {
    $job = P4::current_job();
} elsif ($ARGV[0] eq '-h') {
    usage();
} elsif ($ARGV[0] =~ /^\d+$/) {
    $job = shift(@ARGV);
}
my $reresolve = 0;
if ($#ARGV >= 0
 && $ARGV[0] eq '-r') {
    $reresolve = 1;
}
my $option = '';
if ($#ARGV >= 0
 && ($ARGV[0] eq '-n'
  || $ARGV[0] eq '-af'
  || $ARGV[0] eq '-am'
  || $ARGV[0] eq '-at'
  || $ARGV[0] eq '-ay')) {
    $option = shift(@ARGV);
}
if ($#ARGV >= 0) {
    usage();
}

# Lock whole depot to avoid race conditions.
P4::lock($job, 'p4ws');
P4::lock('depot', 'p4ws');

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

# Verify pre-conditions.
P4::verify_job_status($job, \%record, 'work');
my $user = P4::current_user();
P4::verify_job_user($job, \%record, $user);
P4::verify_job_development_client($job, \%record, P4::current_client());

# First, make sure we have an updated baseline version, but only
# if asked to really do the synchronization.
if ($option ne '-n') {
    print "### Update baseline directory ...\n";
    P4::get_files("//depot/baseline/...");
}

# If asked for '-n' - do not actually do anything - then make this a
# quick integration (we do not want to mess up his files!).
my $type = ($option eq '-n' ? 'quick' : 'sure');
my $retry = $record{retry};
my $change = $record{dev_chg};
my $branch = "$user-$job-$retry";
$OUTPUT_AUTOFLUSH = 1;
print "### Integrate development files ...\n";
P4::integrate_branch($branch, $change, $type, ($option eq '-n' ? '-n' : ''));

# Of course, if the integration was done using '-n', resolve will not
# display any operations derived from it. Still, it is useful in case
# the user skipped resolutions in a previous call.
$OUTPUT_AUTOFLUSH = 1;
print "### Resolve development files ...\n";
P4::resolve_files($reresolve, $option, '//depot/baseline/...');

# Release obtained locks.
P4::unlock();

# Be nice.
1;