Class: Babushka::DmgResource

Inherits:

Resource

• Object
• Resource
• Babushka::DmgResource

show all

Defined in:

lib/babushka/resource.rb

Constant Summary

Constant Summary

Constants inherited from Resource

Resource::CLASSES, Resource::TYPES

Instance Attribute Summary

Attributes inherited from Resource

#name, #path

Instance Method Summary (collapse)

• - (Object) extract(&block)
• - (Object) mountpoint_for(output)

Methods inherited from Resource

#archive_prefix, #content_subdir, detect_type_by_contents, detect_type_by_extension, download, extract, #filename, for, get, #identity_dirs, #initialize, #process_extract, #supported?, type, #type

Methods included from PathHelpers

#cd, #in_build_dir, #in_dir, #in_download_dir

Methods included from ShellHelpers

#cmd_dir, #failable_shell, #log_shell, #login_shell, #raw_shell, #shell, #shell!, #shell?, #sudo, #which

Methods included from LogHelpers

#debug, #log, #log_block, #log_error, #log_ok, #log_verbose, #log_warn

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# File 'lib/babushka/resource.rb', line 169

def extract &block
  in_download_dir {
    output = log_shell "Attaching #{filename}", "hdiutil attach '#{filename.p.basename}'"
    if output.nil?
      log_error "Couldn't mount #{filename.p}."
    elsif (path = mountpoint_for(output)).nil?
      raise "Couldn't find where `hdiutil` mounted #{filename.p}."
    else
      cd(path) {
        block.call(self)
      }.tap {
        log_shell "Detaching #{filename}", "hdiutil detach '#{path}'"
      }
    end
  }
end

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# File 'lib/babushka/resource.rb', line 186

def mountpoint_for output
  output.scan(/\s+(\/Volumes\/[^\n]+)/).flatten.first
end