Class: Roebe::GrubConfigGenerator

Inherits:
Base show all
Defined in:
lib/roebe/classes/grub/grub_config_generator.rb

Overview

Roebe::GrubConfigGenerator

Constant Summary collapse

NAMESPACE =
#

NAMESPACE

#
inspect
DEFAULT_LOCATION_OF_THE_FILE_GRUB_CFG =
#

DEFAULT_LOCATION_OF_THE_FILE_GRUB_CFG

#
'/boot/grub/grub.cfg'
DEFAULT_CONTENT_OF_ETC_DEFAULT_GRUB =
#

DEFAULT_CONTENT_OF_ETC_DEFAULT_GRUB

This is normally found at: /etc/default/grub

#
<<-EOF

# =========================================================================== #
# GRUB_DEFAULT Specifies the name of the desired kernel,
# like 4.8.13-300.fc25.x86_64.
#
# If the value here is "saved" then you also need to set
# GRUB_SAVEDEFAULT=true.
# =========================================================================== #
GRUB_DEFAULT=0

GRUB_TIMEOUT_STYLE=hidden
GRUB_DISABLE_SUBMENU=false
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=HiveOS
GRUB_TERMINAL_OUTPUT="console"

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

# Uncomment to disable generation of recovery mode menu entries
# GRUB_DISABLE_RECOVERY="true"

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"

EOF

Constants inherited from Base

Base::COLOURS, Base::HOME_DIRECTORY_OF_USER_X, Base::N

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#append_this_onto_that_file, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #bold_blue, #burlywood, #call_next, #chdir, #cheerful_guy, #cliner, #convert_global_env, #copy_directory, #copy_file, #cornflowerblue, #create_directory, #crimson, #current_month?, #current_time?, #current_year?, #cyan, #darkcyan, #darkgreen, #darkslateblue, #deeppink, #delete_symlink, #disable_colours, #e, #ecomment, #editor_to_use?, #efancy, #eimp, #ensure_main_encoding, #ensure_utf_encoding, #eparse, #erev, #esystem, #esystem_colourized, #ewarn, #firebrick, #get_current_day, #get_current_month, #get_files_from, #get_german_name_for_this_weekday, #gold, #grey, #hh_mm_ss, #home_dir?, #home_directory_of_user_x?, #is_a_file?, #is_an_image_file?, #is_archive?, #is_audio_file?, #is_in_studium_dir?, #is_multimedia_file?, #is_on_roebe?, #is_on_windows?, #is_symlink?, #is_this_a_ruby_file?, #is_video_file?, #iso_encoding?, #left_colour, #lightblue, #lightgreen, #lightseagreen, #lime, #localhost_to_data, #log_directory?, #main_encoding?, #mediumorchid, #mediumpurple, #mediumseagreen, #mediumspringgreen, #mediumturquoise, #mkdir, #mv, #n_days_in_this_month, #no_file_exists_at, #olivedrab, #open_in_browser, #opne, #opnn, #orange, #orchid, #palegoldenrod, #palevioletred, #pink, #powderblue, #programs_dir?, #random_html_colour, #rds, #read_file_in_iso_encoding, #read_file_via_the_default_encoding, #read_lines_via_iso_encoding, #readlines_with_main_encoding, #red, #register_sigint, #remove, #remove_directory, #remove_file, #rename_kde_konsole_tab, #replace_localhost_with_data, #report_pwd, #return_all_directories_from_this_directory, #return_current_directory, #return_dd_mm_yyyy, #return_file_or_directory_of, #return_files_from_pwd, #return_last_part_of_the_current_directory, #return_utc, #rev, #right_arrow?, #right_colour, #rosybrown, #royalblue, #ruby_base_directory?, #run_in_background, #run_rcfiles_then_run_ata_via_qdbus, #sandybrown, #sdir, #seagreen, #set_be_verbose, #set_xorg_buffer, #sfancy, #sfile, #show_help, #silent_redirection?, #simp, #skyblue, #slateblue, #slategray, #springgreen, #steelblue, #swarn, #symlink, #teal, #to_camelcase, #tomato, #touch, #use_colours?, #verbose_truth, #weekday?, #write_what_into, #yellow

Methods included from Base::CommandlineArguments

#clear_commandline_arguments, #commandline_arguments_as_string?, #commandline_arguments_without_leading_hyphens?, #first_argument_without_leading_hyphens?, #has_an_argument_been_passed?, #return_commandline_arguments_with_leading_hyphens

Constructor Details

#initialize(commandline_arguments = nil, run_already = true) ⇒ GrubConfigGenerator

#

initialize

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 89

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  reset
  set_commandline_arguments(
    commandline_arguments
  )
  run if run_already
end

Class Method Details

.[](i = '') ⇒ Object

#

Roebe::GrubConfigGenerator[]

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 176

def self.[](i = '')
  new(i)
end

Instance Method Details

#append(i = "\n") ⇒ Object

#

append (append tag)

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 142

def append(i = "\n")
  @_ << i
end

#commandline_arguments?Boolean

#

commandline_arguments?

#

Returns:

  • (Boolean)

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 128

def commandline_arguments?
  @commandline_arguments
end

#first_argument?Boolean Also known as: first?

#

first_argument?

#

Returns:

  • (Boolean)

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 135

def first_argument?
  @commandline_arguments.first
end

#notify_the_user_where_the_default_grub_config_file_can_be_foundObject

#

notify_the_user_where_the_default_grub_config_file_can_be_found

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 168

def notify_the_user_where_the_default_grub_config_file_can_be_found
  opnn; e 'Normally the main .cfg file is at '+
          sfile(DEFAULT_LOCATION_OF_THE_FILE_GRUB_CFG)+'.'
end

#resetObject

#

reset (reset tag)

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 103

def reset
  super()
  # ======================================================================= #
  # === @namespace
  # ======================================================================= #
  @namespace = NAMESPACE
  # ======================================================================= #
  # === @_
  #
  # We will store everything into this string.
  # ======================================================================= #
  @_ = ''.dup
end

#runObject

#

run (run tag)

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 159

def run
  append DEFAULT_CONTENT_OF_ETC_DEFAULT_GRUB
  save_into_a_local_file
  notify_the_user_where_the_default_grub_config_file_can_be_found
end

#save_into_a_local_fileObject

#

save_into_a_local_file

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 149

def save_into_a_local_file
  what = @_
  into = 'grub.cfg'
  opnn; e 'Storing into '+sfile(into)+'.'
  write_what_into(what, into)
end

#set_commandline_arguments(i = '') ⇒ Object

#

set_commandline_arguments

#

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# File 'lib/roebe/classes/grub/grub_config_generator.rb', line 120

def set_commandline_arguments(i = '')
  i = [i].flatten.compact
  @commandline_arguments = i
end