Class: Bootloader::Sections

Inherits:

Object

• Object
• Bootloader::Sections

Includes:

Yast::Logger

Defined in:

src/lib/bootloader/sections.rb

Overview

Represents available sections and handling of default boot entry

Instance Attribute Summary

• #all ⇒ Array<String> readonly

  List of all available boot titles if initialized with grub_cfg otherwise it is empty array.

• #default ⇒ String

  Title of default boot section.

Instance Method Summary

• #initialize(grub_cfg = nil) ⇒ Sections constructor

  or nil if not available yet.

• #write ⇒ Object

  writes default to system making it persistent.

Constructor Details

#initialize(grub_cfg = nil) ⇒ Sections

or nil if not available yet

Parameters:

• grub_cfg (CFA::Grub2::GrubCfg, nil) (defaults to: nil) —
  • loaded parsed grub cfg tree

# File 'src/lib/bootloader/sections.rb', line 23

def initialize(grub_cfg = nil)
  @data = grub_cfg ? grub_cfg.boot_entries : []
  @all = @data.map { |e| e[:title] }
  @default = grub_cfg ? read_default : ""
end

Instance Attribute Details

#all ⇒ Array<String> (readonly)

Returns list of all available boot titles if initialized with grub_cfg otherwise it is empty array.

Returns:

• (Array<String>) —

  list of all available boot titles if initialized with grub_cfg otherwise it is empty array

# File 'src/lib/bootloader/sections.rb', line 15

def all
  @all
end

#default ⇒ String

Returns title of default boot section. It is not full path, so it should be reasonable short.

Returns:

• (String) —

  title of default boot section. It is not full path, so it should be reasonable short

# File 'src/lib/bootloader/sections.rb', line 19

def default
  @default
end

Instance Method Details

#write ⇒ Object

writes default to system making it persistent

# File 'src/lib/bootloader/sections.rb', line 45

def write
  return if default.empty?

  Yast::Execute.on_target("/usr/sbin/grub2-set-default", title_to_path(default))
end