#!/usr/local/bin/perl -T

################################################################################
#
# $Id$
#
# Rerun a job that has already been rerun
#
################################################################################

use strict;
use warnings;
use Carp;
use TaskForest::LogDir;
use TaskForest::Options;
use File::Copy;
use Getopt::Long;
use TaskForest::Rerun;

my $family_job_name = '';
my $log_dir_root;
my $help;
my $cascade = '';
my $dependents_only = '';
my $family_dir = '';

my $got_options = Getopt::Long::GetOptions(
    "job=s"             => \$family_job_name,
    "log_dir=s"         => \$log_dir_root,
    "help"              => \$help,
    "cascade"           => \$cascade,
    "dependents_only"   => \$dependents_only,
    "family_dir=s"      => \$family_dir,
    );


if ($help
    or !$log_dir_root
    or !$family_job_name
    or ($cascade and $dependents_only)
    or (($cascade or $dependents_only) and !$family_dir)
    ) {
    print "Usage: rerun --job=Ff::Jj --log_dir=log_directory [[--cascade | --dependents_only] --family_dir=family_directory]\n";
    print "  Specify either --cascade or --dependents_only or neither.  You can't specify both.\n";
    print "  --cascade will mark the job and all its direct and indirect dependents for rerun.\n";
    print "  --dependents_only will not mark the job but it will mark all its direct and indirect dependents for rerun.\n";
    print "    If you specify either of these two, you must also specify family_dir.\n\n";
    exit 1;
}


if ($family_job_name !~ /^([a-z0-9_]+)::([a-z0-9_]+)$/i) {
    print "Usage: rerun --job=Ff:Jj --log_dir=log_directory [--cascade | --dependents_only]\n\n";
    confess("\nThe --job command line argument must be of the form: Ff::Jj where\n",
            "Ff is the family name and Jj is the job name\n",
            "as specified in the family file.\n\n");
}
my ($family_name, $job_name) = ($1, $2);

my $log_dir      = &TaskForest::LogDir::getLogDir($log_dir_root);

&TaskForest::Rerun::rerun($family_name, $job_name, $log_dir, $cascade, $dependents_only, $family_dir);

exit 0;