Class: PostIt::Environment

Inherits:
Object
  • Object
show all
Defined in:
lib/postit/environment.rb

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Environment

Returns a new instance of Environment.



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# File 'lib/postit/environment.rb', line 5

def initialize(argv)
  @argv = argv
end

Instance Method Details

#bundler_version ⇒ Object 



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# File 'lib/postit/environment.rb', line 37

def bundler_version
  @bundler_version ||= begin
    env_var_version || cli_arg_version ||
      lockfile_version || "#{Gem::Requirement.default}.a"
  end
end

#cli_arg_version ⇒ Object 



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# File 'lib/postit/environment.rb', line 13

def cli_arg_version
  return unless str = @argv.first
  str = str.dup.force_encoding('BINARY') if str.respond_to?(:force_encoding)
  if Gem::Version.correct?(str)
    @argv.shift
    str
  end
end

#env_var_version ⇒ Object 



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# File 'lib/postit/environment.rb', line 9

def env_var_version
  ENV['BUNDLER_VERSION']
end

#gemfile ⇒ Object 



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# File 'lib/postit/environment.rb', line 22

def gemfile
  ENV['BUNDLE_GEMFILE'] || 'Gemfile'
end

#lockfile ⇒ Object 



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# File 'lib/postit/environment.rb', line 26

def lockfile
  File.expand_path case File.basename(gemfile)
                   when 'gems.rb' then gemfile.sub(/\.rb$/, gemfile)
                   else "#{gemfile}.lock"
                   end
end

#lockfile_version ⇒ Object 



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# File 'lib/postit/environment.rb', line 33

def lockfile_version
  PostIt::Parser.new(lockfile).parse
end