Class: DiffRunner::Invocation

Inherits:
Object
  • Object
show all
Defined in:
lib/diff-runner/invocation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cmd) ⇒ Invocation

Returns a new instance of Invocation.



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# File 'lib/diff-runner/invocation.rb', line 6

def initialize(cmd)
  @cmd = cmd
end

Instance Attribute Details

#pid ⇒ Object (readonly)

Returns the value of attribute pid.



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# File 'lib/diff-runner/invocation.rb', line 4

def pid
  @pid
end

Instance Method Details

#output ⇒ Object 



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# File 'lib/diff-runner/invocation.rb', line 17

def output
  IO.popen(@cmd) do |io|
    io.read
  end
end

#present(message) ⇒ Object 



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# File 'lib/diff-runner/invocation.rb', line 23

def present(message)
  if @pid
    Process.kill("QUIT", @pid) rescue nil
  end

  IO.popen("less", "w") do |io|
    io.puts message
    @pid = io.pid
  end
end

#run ⇒ Object 



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# File 'lib/diff-runner/invocation.rb', line 10

def run
  Thread.new do            
    puts `clear`
    present output
  end
end