Extensions to be included in every 'main' object in chef-shell. These objects are extended with this module.
# File lib/chef/shell/ext.rb, line 116 def all_help_descriptions help_descriptions end
# File lib/chef/shell/ext.rb, line 120 def desc(help_text) @desc = help_text end
# File lib/chef/shell/ext.rb, line 38 def ensure_session_select_defined # irb breaks if you prematurely define IRB::JobMangager # so these methods need to be defined at the latest possible time. unless jobs.respond_to?(:select_session_by_context) def jobs.select_session_by_context(&block) @jobs.select { |job| block.call(job[1].context.main)} end end unless jobs.respond_to?(:session_select) def jobs.select_shell_session(target_context) session = if target_context.kind_of?(Class) select_session_by_context { |main| main.kind_of?(target_context) } else select_session_by_context { |main| main.equal?(target_context) } end Array(session.first)[1] end end end
# File lib/chef/shell/ext.rb, line 124 def explain(explain_text) @explain = explain_text end
# File lib/chef/shell/ext.rb, line 86 def explain_command(method_name) help = self.all_help_descriptions.find { |h| h.cmd.to_s == method_name.to_s } if help puts "" puts "Command: #{method_name}" puts "".ljust(80, "=") puts help.explanation || help.desc puts "".ljust(80, "=") puts "" else puts "" puts "command #{method_name} not found or no help available" puts "" end end
# File lib/chef/shell/ext.rb, line 59 def find_or_create_session_for(context_obj) ensure_session_select_defined if subsession = jobs.select_shell_session(context_obj) jobs.switch(subsession) else irb(context_obj) end end
# File lib/chef/shell/ext.rb, line 112 def help_descriptions @help_descriptions ||= [] end
returns :off so you can just do `tracing off'
# File lib/chef/shell/ext.rb, line 108 def off :off end
helpfully returns :on so we can have sugary syntax like `tracing on'
# File lib/chef/shell/ext.rb, line 103 def on :on end
# File lib/chef/shell/ext.rb, line 132 def singleton_method_added(mname) if @desc help_descriptions << Help.new(mname.to_s, @desc.to_s, @explain) @desc, @explain = nil, nil end if @subcommand_help @subcommand_help.each do |subcommand, text| help_descriptions << Help.new("#{mname}.#{subcommand}", text.to_s, nil) end end @subcommand_help = {} end
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