Class: Suitcase::Zipper

Inherits:
Object
  • Object
show all
Defined in:
lib/suitcase/zipper.rb

Class Method Summary collapse

Class Method Details

.add(files_and_directories = [], namespace = "") ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 40

def self.add(files_and_directories=[], namespace="")
  files_and_directories.each do |file|
    f = ::File.expand_path(file)        
    if ::File.file? f
      items.merge!(("#{namespace}/#{::File.basename(f)}").to_s => f)
    elsif ::File.directory? f
      Dir["#{f}/*"].each do |f|
        add(f, "#{namespace.empty? ? "" : "#{namespace}/"}#{::File.basename(::File.dirname(f))}")
      end
    end
  end
end

.build_dir!(dirpath) ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 24

def self.build_dir!(dirpath)
  ::FileUtils.mkdir_p dirpath unless ::File.directory? dirpath
  items.each do |name, path|
    end_path = "#{dirpath}/#{name}"
    unless name == ::File.basename(name)
      ::FileUtils.mkdir_p ::File.dirname(end_path) unless ::File.directory? ::File.dirname(end_path)
    end
    ::FileUtils.cp path, end_path
  end
  dirpath
end

.ensure_location_exists(loc) ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 98

def self.ensure_location_exists(loc)
  ::FileUtils.mkdir_p loc unless ::File.directory? loc
end

.flush! ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 36

def self.flush!
  @items = nil
end

.gems(gem_list, gem_location) ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 53

def self.gems(gem_list, gem_location)
  require 'rubygems/dependency_installer'
  gem_list = [gem_list] unless gem_list.is_a?(Array)
  ensure_location_exists gem_location

  cache_dir = "#{gem_location}/cache"
  ::FileUtils.mkdir_p cache_dir rescue nil unless File.exist? cache_dir

  locally_installed_gems = Gem::SourceIndex.from_installed_gems.map {|n,s| s.name }
  
  locally_installable_gems = gem_list & locally_installed_gems
  remotely_installable = gem_list - locally_installable_gems
  
  # First, add the locally installed gems
  locally_installable_gems.each do |spec|
    spec = Gem::SourceIndex.from_installed_gems.find_name(spec).last#.sort_by {|a,b| a.version <=> b.version }.last                
    f = Dir[File.join(Gem.dir, 'cache', "#{spec.full_name}.gem")].first
    add(f, "gems")
  end
  
  remotely_installable.each do |g|
    di = Gem::DependencyInstaller.new
    spec, url = di.find_spec_by_name_and_version(g).first
    f = begin
      Gem::RemoteFetcher.fetcher.download spec, "http://gems.github.com", gem_location
    rescue Exception => e
      Gem::RemoteFetcher.fetcher.download spec, url, gem_location
    end
    add(f, "gems")
  end
end

.items(default_dirs = {}) ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 7

def self.items(default_dirs={})
  @items ||= default_dirs
end

.packages(package_list, package_location = "#{Dir.pwd}/packages") ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 85

def self.packages(package_list, package_location="#{Dir.pwd}/packages")
  ensure_location_exists package_location
  package_list.each do |package|
    f = "#{package_location}/#{package.split('/').last}"
    unless ::File.file? f
      puts "downloading #{package} to #{f}"
      `curl -L #{package} > #{package_location}/#{package.split('/').last}`
    end
    
    add(f, "packages")
  end
end

.zip!(filepath) ⇒ Object 



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# File 'lib/suitcase/zipper.rb', line 11

def self.zip!(filepath)
  filepath = filepath.include?(".tar.gz") ? filepath : "#{filepath}.tar.gz"
  File.open(filepath,"w") do |tarfile|
    Archive::Tar::Minitar::Writer.open(tarfile) do |tar|
      items.each do |name, path|
        data = open(path).read
        tar.add_file_simple(name, :size=>data.size, :mode=>0644) { |f| f.write(data) }
      end
    end
  end
  filepath
end