Class: Smithy::FormulaCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/smithy/formula_command.rb

Overview

This class acts as a controller for formula subcommands

Class Method Summary collapse

Class Method Details

.build_formula(package, formula_name = nil) ⇒ Object

construct a new fomula object given a formula name or full name/version/build



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# File 'lib/smithy/formula_command.rb', line 78

def self.build_formula(package, formula_name = nil)
  name, version, build = package.split("/")
  formula_name = name if formula_name.blank?
  raise "unknown formula #{formula_name}" unless formula_names.include?(formula_name)

  require formula_file_path(formula_name)

  formula_class = "#{formula_name.underscore.camelize}Formula".constantize
  version = formula_class.version if version.blank?
  build = operating_system        if build.blank?
  p = Package.new :path => [name, version, build].join("/"), :group_writable => !formula_class.disable_group_writable

  f = "#{formula_name.underscore.camelize}Formula".constantize.new(p)
  # Set the actual formula file path, otherwise it's just formula.rb
  f.formula_file = formula_file_path(formula_name)

  return f
end

.create_module_command(options, args) ⇒ Object 



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# File 'lib/smithy/formula_command.rb', line 183

def self.create_module_command(options,args)
  packages = args.dup
  raise "You must supply at least one package to install" if packages.empty?

  packages.each do |package|
    f = build_formula(package, options[:"formula-name"])
    if f.modulefile.present?
      f.create_modulefile
    else
      ModuleFile.new(:package => f.package).create
    end
  end
end

.display_command(options, args) ⇒ Object 



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# File 'lib/smithy/formula_command.rb', line 66

def self.display_command(options,args)
  initialize_directories(options)
  formula_name = args.first.split("/").first
  puts formula_contents(formula_name)
end

.formula_contents(name) ⇒ Object

Return the file contents of a formula



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# File 'lib/smithy/formula_command.rb', line 51

def self.formula_contents(name)
  raise "unkown formula '#{name}'" unless formula_file_path(name).present? && File.exists?(formula_file_path(name))
  File.read(formula_file_path(name))
end

.formula_directories ⇒ Object

Return formula directories in order of precedence

  1. formula directories specified on the command line

  2. formulas located in ~/.smithy/formulas/

  3. smithy’s built in formulas



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# File 'lib/smithy/formula_command.rb', line 8

def self.formula_directories
  unless @formula_directories
    @formula_directories = [ File.join(Smithy::Config.homedir, ".smithy/formulas") ]
    if Smithy::Config.global[:"formula-directories"]
      Smithy::Config.global[:"formula-directories"].reverse.each do |dir|
        @formula_directories << dir
      end
    end
    @formula_directories << File.join(@@smithy_bin_root, "formulas")
  end
  @formula_directories
end

.formula_file_path(name) ⇒ Object

Return the file path of a single formula file



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# File 'lib/smithy/formula_command.rb', line 46

def self.formula_file_path(name)
  formula_files.select{|f| f =~ /\/#{name}_formula.rb/}.first
end

.formula_files ⇒ Object

Returns an array containing the full paths to each file name in order of precedence



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# File 'lib/smithy/formula_command.rb', line 29

def self.formula_files
  unless @formula_files
    @formula_files = []
    formula_directories.each do |dir|
      @formula_files += Dir.glob(File.join(File.expand_path(dir),"*.rb")).sort
    end
  end
  @formula_files
end

.formula_names ⇒ Object

Format the full file paths to display only the name



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# File 'lib/smithy/formula_command.rb', line 40

def self.formula_names
  @formula_names = formula_files.collect{|f| File.basename(f,"_formula.rb")}.uniq unless @formula_names
  @formula_names
end

.initialize_directories(options = {}) ⇒ Object 



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# File 'lib/smithy/formula_command.rb', line 56

def self.initialize_directories(options = {})
  prepend_formula_directory(options[:d]) if options[:d]
end

.install_command(options, args) ⇒ Object 



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# File 'lib/smithy/formula_command.rb', line 97

def self.install_command(options,args)
  initialize_directories(options)

  packages = args.dup
  raise "You must supply at least one package to install" if packages.empty?

  packages.each do |package|
    f = build_formula(package, options[:"formula-name"])
    f.package.create(:formula => true)

    formula_prefix_contents = Dir["#{f.prefix}/*"]
    unless formula_prefix_contents.empty?
      # overwrite = "unknown"
      # while overwrite == "unknown" do
      #   notice_conflict f.package.prefix
      #   prompt = Readline.readline(" "*FILE_NOTICE_COLUMNS+"Is not empty, delete contents? (enter \"h\" for help) [ynhq] ")
      #   case prompt.downcase
      #   when "y"
      #     overwrite = true
      #   when "n"
      #     overwrite = false
      #   when "h"
      #     indent = " "*FILE_NOTICE_COLUMNS
      #     puts indent+"y - yes, delete existing install"
      #     puts indent+"n - no, do not overwrite"
      #     puts indent+"h - help, show this help"
      #     puts indent+"q - exit now"
      #   when "q"
      #     raise "Abort new formula install"
      #   end
      # end
      # if overwrite
      if options[:clean]
        notice "cleaning #{f.prefix}"
        formula_prefix_contents.each do |f|
          FileUtils.rm_rf(f)
        end
      end
      # end
    end

    if f.url.eql?("none")
      Dir.chdir File.join(f.package.prefix)
    else
      d = DownloadCache.new(f, options[:"formula-name"]).get
      raise "Download failure" unless d
      # f.package.extract(:archive => d, :overwrite => true)
      f.package.extract(:archive => d)
      Dir.chdir File.join(f.package.prefix, "source")
    end

    if f.run_install
      f.package.create_valid_build_file
      f.package.set_file_permissions_recursive

      if f.modulefile.present?
        f.create_modulefile
      elsif options[:"modulefile"]
        ModuleFile.new(:package => f.package).create
      end
    end
  end #packages.each
end

.list_command(options, args) ⇒ Object 



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# File 'lib/smithy/formula_command.rb', line 72

def self.list_command(options,args)
  initialize_directories(options)
  puts formula_names
end

.new_command(options, args) ⇒ Object 



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# File 'lib/smithy/formula_command.rb', line 161

def self.new_command(options,args)
  @formula_name     = options[:name]
  @formula_name     = url_filename_basename(args.first) unless options[:name]
  @formula_name     = @formula_name.camelize
  @formula_url      = args.first
  @formula_homepage = options[:homepage]
  @formula_homepage = "#{URI(@formula_url).scheme}://#{URI(@formula_url).host}/" unless options[:homepage]

  destination = File.join(Smithy::Config.homedir, ".smithy/formulas")
  destination = Smithy::Config.global[:"formula-directories"].first if Smithy::Config.global[:"formula-directories"]
  FileUtils::mkdir_p(destination)

  destination = File.join(destination, "#{@formula_name.underscore}_formula.rb")
  FileOperations.render_erb :binding => binding,
    :erb         => File.join(@@smithy_bin_root, "etc/templates/formula.rb.erb"),
    :destination => destination
  if Smithy::Config.global[:"file-group-name"]
    FileOperations.set_group(destination, Smithy::Config.global[:"file-group-name"])
    FileOperations.make_group_writable(destination)
  end
end

.prepend_formula_directory(dir) ⇒ Object

Prepend a directory to the formula file paths



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# File 'lib/smithy/formula_command.rb', line 22

def self.prepend_formula_directory(dir)
  @formula_directories.unshift(dir)
  @formula_directories
end

.which_command(options, args) ⇒ Object 



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# File 'lib/smithy/formula_command.rb', line 60

def self.which_command(options,args)
  initialize_directories(options)
  formula_name = args.first.split("/").first
  puts formula_file_path(formula_name)
end