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#!/usr/bin/env ruby
#
# Create a Baserock .lorry file for a given Omnibus software component
#
# Copyright (C) 2014  Codethink Limited
#
# 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; version 2 of the License.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

require 'bundler'
require 'omnibus'

require 'optparse'
require 'rubygems/commands/install_command'
require 'shellwords'

require_relative 'importer_base'

TARGET_PROJECT = 'chefdk'  # should come from args

TARGET_SOFTWARE = 'chefdk' # should come from args

class OmnibusLorryGenerator < Importer::Base
  def generate_lorry_for_software(software)
    lorry_body = {
      'x-products-omnibus' => [software.name]
    }

    if software.source.member? :git
      lorry_body.update({
        'type' => 'git',
        'url' => software.source[:git],
      })
    else
      lorry_body.update({
        'type' => 'tarball',
        'url' => software.source[:url],
        # lorry doesn't validate the checksum right now, but maybe it should.
        'x-md5' => software.source[:md5],
      })
    end

    { software.name => lorry_body }
  end

  def run
    project = Omnibus::Project.load(TARGET_PROJECT)

    software = Omnibus::Software.load(project, TARGET_SOFTWARE)

    lorry = generate_lorry_for_software(software)

    write_lorry(STDOUT, lorry)
  end
end

OmnibusLorryGenerator.new.run