The TaskManager module is a mixin for managing tasks.
Find a matching task for task_name
.
# File rake-13.0.3/lib/rake/task_manager.rb, line 54 def [](task_name, scopes=nil) task_name = task_name.to_s self.lookup(task_name, scopes) or enhance_with_matching_rule(task_name) or synthesize_file_task(task_name) or fail generate_message_for_undefined_task(task_name) end
Clear all tasks in this application.
# File rake-13.0.3/lib/rake/task_manager.rb, line 182 def clear @tasks.clear @rules.clear end
Return the list of scope names currently active in the task manager.
# File rake-13.0.3/lib/rake/task_manager.rb, line 222 def current_scope @scope end
If a rule can be found that matches the task name, enhance the task with the prerequisites and actions from the rule. Set the source attribute of the task appropriately for the rule. Return the enhanced task or nil of no rule was found.
# File rake-13.0.3/lib/rake/task_manager.rb, line 151 def enhance_with_matching_rule(task_name, level=0) fail Rake::RuleRecursionOverflowError, "Rule Recursion Too Deep" if level >= 16 @rules.each do |pattern, args, extensions, order_only, block| if pattern && pattern.match(task_name) task = attempt_rule(task_name, pattern, args, extensions, block, level) task | order_only unless order_only.nil? return task if task end end nil rescue Rake::RuleRecursionOverflowError => ex ex.add_target(task_name) fail ex end
# File rake-13.0.3/lib/rake/task_manager.rb, line 68 def generate_did_you_mean_suggestions(task_name) return "" unless defined?(::DidYouMean::SpellChecker) suggestions = ::DidYouMean::SpellChecker.new(dictionary: @tasks.keys).correct(task_name.to_s) if ::DidYouMean.respond_to?(:formatter)# did_you_mean v1.2.0 or later ::DidYouMean.formatter.message_for(suggestions) elsif defined?(::DidYouMean::Formatter) # before did_you_mean v1.2.0 ::DidYouMean::Formatter.new(suggestions).to_s else "" end end
# File rake-13.0.3/lib/rake/task_manager.rb, line 62 def generate_message_for_undefined_task(task_name) message = "Don't know how to build task '#{task_name}' " "(See the list of available tasks with `#{Rake.application.name} --tasks`)" message + generate_did_you_mean_suggestions(task_name) end
Evaluate the block in a nested namespace named name
. Create
an anonymous namespace if name
is nil.
# File rake-13.0.3/lib/rake/task_manager.rb, line 228 def in_namespace(name) name ||= generate_name @scope = Scope.new(name, @scope) ns = NameSpace.new(self, @scope) yield(ns) ns ensure @scope = @scope.tail end
Lookup a task. Return an existing task if found, otherwise create a task of the current type.
# File rake-13.0.3/lib/rake/task_manager.rb, line 49 def intern(task_class, task_name) @tasks[task_name.to_s] ||= task_class.new(task_name, self) end
Lookup a task, using scope and the scope hints in the task name. This method performs straight lookups without trying to synthesize file tasks or rules. Special scope names (e.g. ‘^’) are recognized. If no scope argument is supplied, use the current scope. Return nil if the task cannot be found.
# File rake-13.0.3/lib/rake/task_manager.rb, line 192 def lookup(task_name, initial_scope=nil) initial_scope ||= @scope task_name = task_name.to_s if task_name =~ /^rake:/ scopes = Scope.make task_name = task_name.sub(/^rake:/, "") elsif task_name =~ /^(\^+)/ scopes = initial_scope.trim($1.size) task_name = task_name.sub(/^(\^+)/, "") else scopes = initial_scope end lookup_in_scope(task_name, scopes) end
Resolve the arguments for a task/rule. Returns a tuple of [task_name, arg_name_list, prerequisites, order_only_prerequisites].
# File rake-13.0.3/lib/rake/task_manager.rb, line 88 def resolve_args(args) if args.last.is_a?(Hash) deps = args.pop resolve_args_with_dependencies(args, deps) else resolve_args_without_dependencies(args) end end