Class: RBT::RemoveProgram

Inherits:
Base show all
Defined in:
lib/rbt/utility_scripts/remove_program.rb

Overview

RBT::RemoveProgram

Constant Summary collapse

DEFAULT_PROGRAM =
#

DEFAULT_PROGRAM

#
'xset'

Constants inherited from LeanPrototype

LeanPrototype::ALL_COLOUR_METHODS, LeanPrototype::ARRAY_KDE_KONSOLE_COLOURS_IN_USE, LeanPrototype::DAY_NAMES, LeanPrototype::NAMESPACE, LeanPrototype::SILENT_REDIRECTION

Instance Method Summary collapse

Methods inherited from Base

#cat, #cd_back_to_the_current_working_directory, #consider_reporting_how_many_programs_are_registered, #cookbook_files?, #copy_recursively, #delete_code_of_conduct?, #determine_appdir_prefix_from_this_input, #directory_validation?, #do_not_show_names, #fast_return_file_size_of_this_program, #file_last_symlinked_program?, #file_programs_version_url, #gem_version, #is_a_64bit_system?, #is_ccache_available?, #is_porg_available?, #is_this_binary_registered?, #is_this_program_included?, #make_command?, #make_install_command?, #new_cookbook_instance_for, #program_exists?, #publish_list_of_all_programs_version, #rcp, registered_binaries?, #remove_symlink, #rename_kde_konsole_tab, #repackage, #report_n_programs, #report_working_directory, #return_compile_time_statistics, #return_n_random_characters, #return_version_of_this_program, #run_make_then_make_install, #sanitize_url1_entry, #set_source_directory, #show_overview_over_available_utility_scripts, #symlink_all_files_from_this_directory_to_that_directory, #system_tags?, #upload_list_of_all_programs_version, #use_yaml_database_for_tags?, #warn_and_exit, #wget

Methods inherited from LeanPrototype

#a_or_an?, #abbreviations?, #absolute_path, #action, #add_to_the_commandline_arguments, #all_binaries?, #all_files_from, #all_libraries?, #allowed_cookbook_entries?, #appdir_location_of?, #append_onto_the_internal_hash, #append_what_into, #archive_type_of?, #available_programs?, #be_quiet?, #be_verbose?, #begins_with_a_comment?, #capitalize_first_alphabetical_character, #cd_to_the_log_directory, #cd_to_the_temp_directory, #change_directory, #change_permission, #cheering_person?, #chmod, #chop_off_archive, #clear_commandline_options, #cliner, #coloured_and_padded_e, #coloured_and_padded_esystem, #coloured_esystem, #colourize_directory_for_system_results, #colourize_this_error, #colourize_this_file_path, #colourize_this_warning, #commandline_arguments?, #commandline_arguments_without_hyphens?, #comment, #convert_dd_mm_yyyy_to_its_long_variant, #convert_env_variable, #copy_directory, #copy_files, #cpr, #create_directory, #current_hour?, #dd_mmm_yyy, #debug, #debug?, #directory_expanded_cookbooks?, #disable_colours, #display_md5sum?, #do_not_debug, #does_the_cookbook_include_this_program?, #does_this_expanded_cookbook_file_exist_for_this_program?, #does_this_file_exist?, #does_this_file_exist_and_is_it_a_file?, #e, #eblue, #ecomment, #ecrimson, #edir, #editor?, #efancy, #eimp, #enable_colours, #enable_debug, #ensure_main_encoding_for, #eparse, #esystem, #esystem_gold, #etomato, #ewarn, #exit_program, #expanded_cookbooks_directory_exists?, #extract_this_archive, #extract_to?, #file_compiled_programs?, #file_dirname_retaining_trailing_slash, #file_predefined_installation_instructions?, #file_specification_of_registered_cookbook_entries, #find_cookbook_alias_for, #find_this_yaml_file, #first_argument?, #first_non_hyphen_argument?, #get_all_directories_from, #get_all_files_from, #get_all_programs, #get_date, #get_extended_date, #get_files_and_directories_from, #go_to_base_dir, #home_dir?, #host_system?, #infer_the_namespace, #internal_hash?, #internal_hash_set_commandline_arguments, #is_an_archive?, #is_directory?, #is_file?, #is_github_url?, #is_make_available?, #is_on_gobolinux?, #is_on_windows?, #is_roebe?, #is_superuser?, #is_symlink?, #is_this_a_header?, #is_this_a_library?, #is_this_program_included?, #iso_encoding?, #load_dataset_from_this_expanded_cookbook, #load_yaml, #load_yaml_file_from_the_cookbook_directory_for_this_program, #log_directory?, #main_encoding?, #meson_build_file_exists?, #months?, #move_file, #n_programs_are_available?, #n_programs_available?, #namespace?, #no_directory_exists_at, #no_opn, #no_such_file_exists, #open_in_browser, #open_in_editor, #opncomment, #opne, #opnef, #opnerev, #opnerror, #opnesystem, #opnewarn, #opnfancy, #opnn, #packages_directory?, #path_to_this_expanded_cookbooks_dataset, #pkgconfig_directory?, #populate_the_internal_hash_with_default_values, #predefined_installation_instructions?, #prepend_this_commandline_argument, #program_version_of?, #project_base_directory?, #project_yaml_directory?, #query_path?, #rarrow?, #read_file, #read_file_in_default_encoding, #read_file_with_default_encoding, #readlines, #readlines_with_proper_encoding, #register_sigint, #registered_cookbook_entries?, #remove, #remove_archive_from_the_end, #remove_comments_from_each_line, #remove_directory, #remove_double_slashes, #remove_file, #remove_newlines, #remove_parens, #remove_symlink, #remove_this_commandline_argument, #remove_this_entry_from_the_commandline_arguments, #remove_trailing_ANSII_escape_code, #remove_unnecessary_data_from_url, #rename, #report_pwd, #require_the_rbt_aliases, #reset_the_internal_hash, #return_all_archives_from_this_directory, #return_appdir_prefix, #return_commandline_arguments_with_leading_hyphens, #return_current_hour_minutes_second, #return_date, #return_day_of_the_month_based_on_utc, #return_full_time, #return_hours_minutes_seconds_based_on_utc, #return_location_to_this_programs_yaml_file, #return_month_based_on_this_number, #return_month_based_on_utc, #return_opnn, #return_program_information, #return_program_name_for_gobolinux_systems, #return_pwd, #return_unicode_warning_symbol_or_empty_string, #return_utc, #return_utc_time_in_a_format_similar_to_slackware, #return_weekday_based_on_utc, #return_year_based_on_utc, #rev, #run_simulation=, #run_simulation?, #sdir, #sdir_return_pwd, #set_be_silent, #set_be_verbose, #set_first_commandline_argument, #set_namespace, #set_use_opn, #set_xorg_buffer, #sfancy, #sfile, #silent_redirection?, #silently_create_this_directory_if_it_does_not_yet_exist, #simp, #source_base_directory?, #ssym, #stderr, #store_into_this_directory?, #string_right_arrow?, #swarn, #symlink, #sysbin_directory?, #sysetc_directory?, #sysinclude_directory?, #syslib_directory?, #sysshare_directory?, #system_directory?, #temp_directory?, #to_bool, #to_camelcase, #to_iso_encoding, #to_unicode, #today?, #touch, #try_to_require_beautiful_url, #try_to_require_the_environment_information_gem, #try_to_require_the_extracter_gem, #try_to_require_the_open_gem, #try_to_require_the_xorg_buffer, #try_to_require_wget, #try_to_return_a_special_compile_component, #unicode_cliner, #unicode_middle_cliner, #use_colours=, #use_colours?, #use_opn=, #use_opn?, #utf_encoding?, #verbose_truth, #word_wrap, #write_what_into, #write_what_into_via_unicode, #yes_or_no

Constructor Details

#initialize(this_program = DEFAULT_PROGRAM, run_already = true) ⇒ RemoveProgram

#

initialize

The default is :app_dir. This means to check under the /Programs/ hierarchy.

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 40

def initialize(
    this_program = DEFAULT_PROGRAM,
    run_already  = true
  )
  reset
  set_this_program(this_program)
  run if run_already
end

Instance Method Details

#

Delegate towards class RBT::RemoveSymlinks here.

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 175

def remove_broken_symlinks
  opne 'Removing broken symlinks next.'
  RBT::RemoveSymlinks.new
end

#remove_current_link ⇒ Object

#

This method attempts to remove the ‘Current’ symlink.

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 158

def remove_current_link
  _ = @this_dir[0..-2]
  if File.exist? _
    result = 'Now removing'.dup
    result << ' the symlink' if File.symlink? _
    result << " `#{sdir(_)}`."
    opne result
    remove(_)
  end
end

#remove_program(this_program = @remove_this_program) ⇒ Object

#

remove_program

This is the actual powerhorse of this script.

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 112

def remove_program(
    this_program = @remove_this_program
  )
  _ = @install_type
  case _ # case tag
  # ======================================================================= #
  # === remove_program evince
  # ======================================================================= #
  when :app_dir,
       :gobo,
       :gobolinux_mode
    set_program_path(rds(programs_dir?))
    base_dir = @program_path+this_program
    @this_dir = "#{base_dir}/Current/"
    opne "#{rev}Removing program `#{sdir(@this_dir)}#{rev}` now" # Tell the user what to do.
    # ===================================================================== #
    # First, clean-up any stray symlinks into the /usr/include
    # hierarchy.
    # ===================================================================== #
    try_to_remove_stray_symlinks_from_the_usr_include_hierarchy(
      @this_dir+'include/'
    )
    remove_directory(@this_dir)
    # ===================================================================== #
    # Next, we get rid of the symlinks and the current link.
    # ===================================================================== #
    remove_broken_symlinks # Remove all broken Symlinks.
    remove_current_link    # And remove the 'Current' symlink as well.
  # ======================================================================= #
  # === :fhs
  # ======================================================================= #
  when :fhs
    # ===================================================================== #
    # Currently not implemented.
    # ===================================================================== #
  else
    e "#{rev}Unregistered Type (#{sfancy(_)})#{rev}."
  end
  run_ldconfig
end

#reset ⇒ Object

#

reset

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 52

def reset
  super()
  infer_the_namespace
  # ======================================================================= #
  # === @install_type
  # ======================================================================= #
  @install_type = :app_dir
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 190

def run
  remove_program
end

#run_ldconfig ⇒ Object

#

run_ldconfig

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 183

def run_ldconfig
  system 'ldconfig' if RBT.configuration?.run_ldconfig
end

#set_program_path(i = rds(programs_dir?)) ⇒ Object

#

set_program_path

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 76

def set_program_path(
    i = rds(programs_dir?)
  )
  @program_path = i
end

#set_this_program(i = DEFAULT_PROGRAM) ⇒ Object

#

set_this_program

This will simply set the variable @remove_this_program.

#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 66

def set_this_program(i = DEFAULT_PROGRAM)
  i = i.first if i.is_a? Array
  i = DEFAULT_PROGRAM if i.nil?
  i = i.capitalize
  @remove_this_program = i
end

#try_to_remove_stray_symlinks_from_the_usr_include_hierarchy(i = @this_dir+'include/') ⇒ Object

#
#


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# File 'lib/rbt/utility_scripts/remove_program.rb', line 85

def try_to_remove_stray_symlinks_from_the_usr_include_hierarchy(
    i = @this_dir+'include/'
  )
  possible_targets = Dir[i+'*']
  possible_targets.each {|entry|
    # ===================================================================== #
    # Specifcy the /usr/include/ target next.
    # ===================================================================== #
    target = "/usr/include/#{File.basename(entry)}"
    # ===================================================================== #
    # Ok, we must check whether the target exists, and whether it is
    # a symlink, and whether it points to @this_dir.
    # ===================================================================== #
    if File.exist?(target) and
       File.symlink?(target) and
       File.readlink(target).include?(@this_dir) # This line is just an additional safeguard.
      opne 'Now removing the symlink at `'+sfile(target)+'` as well.'
      delete(target)
    end
  }
end