Class: Fig::Repository

Inherits:
Object
  • Object
show all
Defined in:
lib/fig/repository.rb

Overview

Overall management of a repository. Handles local operations itself; defers remote operations to others.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(os, local_repository_dir, remote_repository_url, application_config, remote_repository_user = nil, update = false, update_if_missing = true) ⇒ Repository

Returns a new instance of Repository.



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# File 'lib/fig/repository.rb', line 17

def initialize(os, local_repository_dir, remote_repository_url, application_config, remote_repository_user=nil, update=false, update_if_missing=true)
  @os = os
  @local_repository_dir = local_repository_dir
  @remote_repository_url = remote_repository_url
  @remote_repository_user = remote_repository_user
  @application_config = application_config
  @update = update
  @update_if_missing = update_if_missing
  @parser = Parser.new(@application_config)

  @overrides = {}
  if File.exist?('fig.properties')
    File.readlines('fig.properties').each do |line|
      descriptor, path = line.strip.split('=')
      @overrides[descriptor] = path
    end
  end
end

Class Method Details

.is_url?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fig/repository.rb', line 13

def self.is_url?(url)
  not (/ftp:\/\/|http:\/\/|file:\/\/|ssh:\/\// =~ url).nil?
end

Instance Method Details

#bundle_resources(package_statements) ⇒ Object 



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# File 'lib/fig/repository.rb', line 96

def bundle_resources(package_statements)
  resources = []
  new_package_statements = package_statements.reject do |statement|
    if statement.is_a?(Package::Resource) && !Repository.is_url?(statement.url)
      resources << statement.url
      true
    else
      false
    end
  end
  if resources.size > 0
    resources = expand_globs_from(resources)
    file = 'resources.tar.gz'
    @os.create_archive(file, resources)
    new_package_statements.unshift(Package::Archive.new(file))
    at_exit { File.delete(file) }
  end
  new_package_statements
end

#clean(package_name, version_name) ⇒ Object 



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# File 'lib/fig/repository.rb', line 36

def clean(package_name, version_name)
  dir = File.join(@local_repository_dir, package_name)
  dir = File.join(dir, version_name) if version_name
  FileUtils.rm_rf(dir)
end

#list_packages ⇒ Object 



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# File 'lib/fig/repository.rb', line 42

def list_packages
  results = []
  if File.exist?(@local_repository_dir)
    @os.list(@local_repository_dir).each do |package_name|
      @os.list(File.join(@local_repository_dir, package_name)).each do |version_name|
        results << "#{package_name}/#{version_name}"
      end
    end
  end
  results
end

#list_remote_packages ⇒ Object 



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# File 'lib/fig/repository.rb', line 54

def list_remote_packages
  @os.download_list(@remote_repository_url)
end

#load_package(package_name, version_name) ⇒ Object 



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# File 'lib/fig/repository.rb', line 116

def load_package(package_name, version_name)
  Logging.debug "Considering #{package_name}/#{version_name}."
  if @update || (@update_if_missing && package_missing?(package_name, version_name))
    update_package(package_name, version_name)
  end
  read_local_package(package_name, version_name)
end

#local_dir_for_package(package_name, version_name) ⇒ Object 



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# File 'lib/fig/repository.rb', line 168

def local_dir_for_package(package_name, version_name)
  descriptor = "#{package_name}/#{version_name}"
  dir = @overrides[descriptor]
  if dir
    Logging.info "override: #{descriptor}=#{dir}"
  else
    dir = File.join(@local_repository_dir, package_name, version_name)
  end
  dir
end

#publish_package(package_statements, package_name, version_name, local_only) ⇒ Object 



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# File 'lib/fig/repository.rb', line 58

def publish_package(package_statements, package_name, version_name, local_only)
  temp_dir = temp_dir_for_package(package_name, version_name)
  @os.clear_directory(temp_dir)
  local_dir = local_dir_for_package(package_name, version_name)
  @os.clear_directory(local_dir)
  fig_file = File.join(temp_dir, '.fig')
  content = bundle_resources(package_statements).map do |statement|
    if statement.is_a?(Package::Publish)
      nil
    elsif statement.is_a?(Package::Archive) || statement.is_a?(Package::Resource)
      if statement.is_a?(Package::Resource) && !Repository.is_url?(statement.url)
        archive_name = statement.url
        archive_remote = "#{remote_dir_for_package(package_name, version_name)}/#{statement.url}"
      else
        archive_name = statement.url.split('/').last
        archive_remote = "#{remote_dir_for_package(package_name, version_name)}/#{archive_name}"
      end
      if Repository.is_url?(statement.url)
        archive_local = File.join(temp_dir, archive_name)
        @os.download(statement.url, archive_local)
      else
        archive_local = statement.url
      end
      @os.upload(archive_local, archive_remote, @remote_repository_user) unless local_only
      @os.copy(archive_local, local_dir + '/' + archive_name)
      if statement.is_a?(Package::Archive)
        @os.unpack_archive(local_dir, archive_name)
      end
      statement.class.new(archive_name).unparse('')
    else
      statement.unparse('')
    end
  end.select {|s|not s.nil?}
  @os.write(fig_file, content.join("\n").strip)
  @os.upload(fig_file, remote_fig_file_for_package(package_name, version_name), @remote_repository_user) unless local_only
  @os.copy(fig_file, local_fig_file_for_package(package_name, version_name))
end

#read_local_package(package_name, version_name) ⇒ Object 



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# File 'lib/fig/repository.rb', line 142

def read_local_package(package_name, version_name)
  dir = local_dir_for_package(package_name, version_name)
  read_package_from_directory(dir, package_name, version_name)
end

#read_package_from_directory(dir, package_name, version_name) ⇒ Object 



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# File 'lib/fig/repository.rb', line 147

def read_package_from_directory(dir, package_name, version_name)
  file = File.join(dir, '.fig')
  if not File.exist?(file)
    file = File.join(dir, 'package.fig')
  end
  if not File.exist?(file)
    Logging.fatal "Fig file not found for package: #{file}"
    raise RepositoryError.new
  end
  read_package_from_file(file, package_name, version_name)
end

#read_package_from_file(file_name, package_name, version_name) ⇒ Object 



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# File 'lib/fig/repository.rb', line 159

def read_package_from_file(file_name, package_name, version_name)
  if not File.exist?(file_name)
    Logging.fatal "Package not found: #{package_name}/#{version_name}"
    raise RepositoryError.new
  end
  content = File.read(file_name)
  return @parser.parse_package(package_name, version_name, File.dirname(file_name), content)
end

#update_package(package_name, version_name) ⇒ Object 



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# File 'lib/fig/repository.rb', line 128

def update_package(package_name, version_name)
  remote_fig_file = remote_fig_file_for_package(package_name, version_name)
  local_fig_file = local_fig_file_for_package(package_name, version_name)
  begin
    if @os.download(remote_fig_file, local_fig_file)
      install_package(package_name, version_name)
    end
  rescue NotFoundError
    Logging.fatal "Package not found in remote repository: #{package_name}/#{version_name}"
    delete_local_package(package_name, version_name)
    raise RepositoryError.new
  end
end

#updating? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fig/repository.rb', line 124

def updating?
  return @update || @update_if_missing
end