Module: Rake::Tilde

Defined in:
lib/rake/tilde.rb,
lib/rake/tilde/version.rb

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.listen(**args, &blk) ⇒ Object 



14
15
16
17
18
 
# File 'lib/rake/tilde.rb', line 14

def listen(**args, &blk)
  name = args.delete(:to)
  args[:blk] = blk
  paths[name] = args
end

.listeners ⇒ Object 



24
25
26
 
# File 'lib/rake/tilde.rb', line 24

def listeners
  @listeners ||= []
end

.listening? ⇒ Boolean

Returns:

  • (Boolean) 


20
21
22
 
# File 'lib/rake/tilde.rb', line 20

def listening?
  !listeners.empty?
end

.paths ⇒ Object 



10
11
12
 
# File 'lib/rake/tilde.rb', line 10

def paths
  @paths ||= {}
end

.run(task_name, *task_args) ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/rake/tilde.rb', line 28

def run(task_name, *task_args)
  task        = Rake.application[task_name]
  listen_path = paths.fetch(task_name.intern) {{}}
  paths       = listen_path.fetch(:paths, listen_path.fetch(:path) { Dir.pwd })
  opts        = listen_path.fetch(:opts) {{}}
  blk         = listen_path[:blk]

  begin
    task.invoke(*task_args)
  rescue StandardError => exception
    $stderr.puts "** Task failed to run successfully with tilde"
    Rake.application.display_error_message(exception)
    Rake.application.exit_because_of_exception(exception)
  end

  listener = Listen.to(paths, opts) do |modified, added, removed|
    $stdout.puts "** File system changed"
    begin
      pid = spawn("rake #{task.name}")
      Process.wait pid
      blk.call(modified, added, removed) if blk
    rescue StandardError => exception
      $stderr.puts "** Task failed to run successfully with tilde"
      Rake.application.display_error_message(exception)
    end
  end

  listeners.push listener
  listener.start
end

.sleep_forever ⇒ Object 



59
60
61
62
63
64
65
 
# File 'lib/rake/tilde.rb', line 59

def sleep_forever
  begin
    sleep
  rescue Interrupt
    puts
  end
end