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Pkg::Util::RakeUtils

Utility methods for working with rake tasks. These utilities will not work if the packaging repo was loaded as a library unless rake has been required explicitly.

Public Class Methods

add_dependency(depender, dependency) click to toggle source

Add a dependency to a rake task. “depender” must be an instance of Rake::Task, but dependency can be either a Rake::Task instance, or a String referring to the name of a Rake::Task instance.

# File ext/packaging/lib/packaging/util/rake_utils.rb, line 29
def add_dependency(depender, dependency)
  if using_rake?
    if !task_defined?(depender)
      fail "Could not locate a Rake task named '#{depender.to_s}' to add a dependency of '#{dependency.to_s}' to"
    elsif !task_defined?(dependency)
      fail "Could not locate a Rake task named '#{dependency.to_s}' to add as a dependency of '#{depender.to_s}'"
    else
      depender_task = Rake::Task[depender]
      depender_task.enhance([dependency])
    end
  end
end
evaluate_pre_tasks() click to toggle source

Evaluate any pre-tasks known by the configuration of this invocation. Again, this is quite pointless if the user has not invoked the packaging repo via rake, so we’re just not going to do anything.

# File ext/packaging/lib/packaging/util/rake_utils.rb, line 46
def evaluate_pre_tasks
  if using_rake? and Pkg::Config.pre_tasks
    unless Pkg::Config.pre_tasks.is_a?(Hash)
      fail "The 'pre_tasks' key must be a Hash of depender => dependency pairs"
    end
    Pkg::Config.pre_tasks.each do |depender, dependency|
      add_dependency(depender, dependency)
    end
  end
end
get_task(task_name) click to toggle source

Return the Rake::Task object associated with a task name

# File ext/packaging/lib/packaging/util/rake_utils.rb, line 19
def get_task(task_name)
  if using_rake? and task_defined?(task_name)
    Rake::Task[task_name]
  end
end
task_defined?(task_name) click to toggle source
# File ext/packaging/lib/packaging/util/rake_utils.rb, line 11
def task_defined?(task_name)
  if using_rake?
    Rake::Task.task_defined?(task_name)
  end
end
using_rake?() click to toggle source
# File ext/packaging/lib/packaging/util/rake_utils.rb, line 7
def using_rake?
  defined?(Rake::Task)
end

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