#!perl
use strict;
use Canella::CLI;

Canella::CLI->new->run(@ARGV);

__END__

=head1 NAME

canella - Frontend to Canella Deploy Tool

=head1 SYNOPSIS

    canella [-C num] [-s key=value ...] [ --mode=xxxx ] -c etc/deploy.pl role task [task ...]

=head1 OPTIONS

=head2 C< -c | --config > String

Specifies the configuration file. Required.

=head2 C< -C | --concurrency > Integer

Specifies the number of coroutine threads to run concurrently.

The default number for this option is 8

=head2 C< --mode> String

Changes the operation mode. 

When "dump" mode is specified, dumps the tasks, roles, parameters, and config file name in JSON format.

When "help" mode is specified, shows some help message describing the specified deploy file

=head2 C< -s | --set > String '=' String

Specifies parameters from the command line

Given a config like:

    task mytask => sub {
        say get 'foo';
    };

Invoking canella like this will print ouf "bar":

    canella -s foo=bar -c etc/deploy.pl mytask

Note that -s allows you to override default variables set in the deploy file:

    set foo => 1;
    task mytask => sub {
        say get 'foo';
    };

    canella -s foo=bar -c etc/deploy.pl mytask
    # prints "bar"

=cut