Class: Firefox::Installer

Inherits:
Object
  • Object
show all
Defined in:
lib/firefox/installer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(os, language = nil, version = nil, opts = {}) ⇒ Installer

Returns a new instance of Installer.



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# File 'lib/firefox/installer.rb', line 9

def initialize os, language = nil, version = nil, opts = {}
  # set dmg if specified
  if opts[:dmg]
    @dmg_file = opts.delete(:dmg) 
    raise "#{@dmg_file} not found" unless File.exist?(@dmg_file)
  end
  @os = os
  @lang = language || 'en-US'
  @version = version || get_current_version
end

Instance Attribute Details

#lang ⇒ Object (readonly)

Returns the value of attribute lang.



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# File 'lib/firefox/installer.rb', line 7

def lang
  @lang
end

#os ⇒ Object (readonly)

Returns the value of attribute os.



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# File 'lib/firefox/installer.rb', line 7

def os
  @os
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/firefox/installer.rb', line 7

def version
  @version
end

Instance Method Details

#get_current_version ⇒ Object 



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# File 'lib/firefox/installer.rb', line 61

def get_current_version
  page = open("http://www.mozilla.org/en-US/").read
  page.scan(/download\.html\?product\=firefox\-([^&]*)/).first.first
end

#install! ⇒ Object 



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# File 'lib/firefox/installer.rb', line 20

def install!
  # if no dmg was specified, download an installer
  unless @dmg_file
    download_url = "http://download.mozilla.org/?lang=#{lang}&product=firefox-#{version}&os=#{os}"
    pbar = nil
    installer = open(download_url,
      :content_length_proc => lambda {|t|
        if t && 0 < t
          pbar = ProgressBar.new("Downloading", t)
          pbar.bar_mark = '='
          pbar.file_transfer_mode
        end
      },
      :progress_proc => lambda {|s|
        pbar.set s if pbar
      }
    )
    pbar.finish
  end
  
  case os
  when :osx
    tmp_path = @dmg_file ? @dmg_file : File.join(Dir.tmpdir,'firefox.dmg')
    unless @dmg_file
      File.open(tmp_path,'w') { |f| f.write(installer.read) }
      puts "Downloaded installer in #{tmp_path}"
    end
    
    puts "hdiutil mount #{tmp_path} 2>&1"
    mount_response = `hdiutil mount #{tmp_path} 2>&1`
    raise mount_response if mount_response =~ /mount failed/
    volume = mount_response.split.last
    puts "Mounted on #{volume}"
    FileUtils.cp_r(File.join(volume,'Firefox.app'), '/Applications/Firefox.app')
    puts 'Copied App in /Applications'
    unmount_response = `hdiutil unmount #{volume} 2>&1`
    raise unmount_response if unmount_response =~ /unmount failed/
    puts "Unmounted #{volume}"
  end
end