Class: Packager::Executor

Inherits:
Object
  • Object
show all
Defined in:
lib/packager/executor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Executor

Returns a new instance of Executor.



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# File 'lib/packager/executor.rb', line 9

def initialize(opts={})
  self.dryrun = !!opts[:dryrun]
  self.commands = []
end

Instance Attribute Details

#commands ⇒ Object

Returns the value of attribute commands.



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# File 'lib/packager/executor.rb', line 7

def commands
  @commands
end

#dryrun ⇒ Object

Returns the value of attribute dryrun.



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# File 'lib/packager/executor.rb', line 7

def dryrun
  @dryrun
end

#workdir ⇒ Object

Returns the value of attribute workdir.



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# File 'lib/packager/executor.rb', line 7

def workdir
  @workdir
end

Instance Method Details

#create_package_for(item) ⇒ Object 



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# File 'lib/packager/executor.rb', line 34

def create_package_for(item)
  unless item.files.empty?
    item.files.each do |file|
      dest = (file.dest || '').gsub /^\//, ''
      FileUtils.mkdir_p File.dirname(dest)
      if file.link
        FileUtils.ln_s(file.source, dest, force: true)
      else
        FileUtils.cp_r(file.source, dest)
      end
    end
  end

  cmd = Packager::Struct::Command.new(
    :name     => item.name,
    :version  => item.version,
    :target   => item.type,
    :requires => item.requires,
    :provides => item.provides,
    :before_install => item.before_install,
    :after_install  => item.after_install,
    :before_remove  => item.before_remove,
    :after_remove   => item.after_remove,
    :before_upgrade => item.before_upgrade,
    :after_upgrade  => item.after_upgrade,
  )

  Dir.glob('*') do |entry|
    if File.directory?(entry)
      cmd.add_directory(entry)
    end
  end

  commands.push(cmd)

  execute_command(cmd)
end

#execute_command(cmd) ⇒ Object 



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# File 'lib/packager/executor.rb', line 72

def execute_command(cmd)
  return if dryrun

  x = `#{cmd.to_system.join(' ')}`
  rv = eval(x)
  raise rv[:error] if rv[:error]
  raise rv[:message] if rv[:level] == :error
  return rv[:path]
end

#execute_on(items) ⇒ Object 



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# File 'lib/packager/executor.rb', line 24

def execute_on(items)
  curdir = Dir.pwd
  items.collect do |item|
    with_workdir do
      path = create_package_for(item)
      FileUtils.mv(path, curdir) if path
    end
  end
end

#with_workdir(&block) ⇒ Object 



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# File 'lib/packager/executor.rb', line 14

def with_workdir(&block)
  if workdir
    Dir.chdir(workdir, &block)
  else
    Dir.mktmpdir do |dir|
      Dir.chdir(dir, &block)
    end
  end
end