Module: Appraisal::Hooks

Defined in:
lib/appraisal/hooks.rb

Overview

Lifecycle hooks used by companion gems to extend Appraisal without monkey-patching command or generation internals.

Defined Under Namespace

Classes: GemfileContext

Constant Summary collapse

GEMFILE_TRANSFORM_MUTEX = 
Mutex.new
GEMFILE_TRANSFORMS = 
[].freeze

Class Method Summary collapse

Class Method Details

.reset! ⇒ Object 



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# File 'lib/appraisal/hooks.rb', line 43

def reset!
  GEMFILE_TRANSFORM_MUTEX.synchronize do
    set_gemfile_transforms([])
  end
end

.run_transform_gemfile(appraisal, path, content) ⇒ Object 



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# File 'lib/appraisal/hooks.rb', line 30

def run_transform_gemfile(appraisal, path, content)
  context = GemfileContext.new(appraisal, path, content)
  gemfile_transforms.each do |hook|
    result = if hook.arity == 1
      hook.call(context.content)
    else
      hook.call(context.content, context)
    end
    context.content = result unless result.nil?
  end
  context.content
end

.transform_gemfile(&block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/appraisal/hooks.rb', line 22

def transform_gemfile(&block)
  raise ArgumentError, "transform_gemfile requires a block" unless block

  GEMFILE_TRANSFORM_MUTEX.synchronize do
    set_gemfile_transforms(gemfile_transforms + [block])
  end
end