Method: ShopifyCLI::Context#on_siginfo

Defined in:
lib/shopify_cli/context.rb

#on_siginfo ⇒ Object

captures the info signal (ctrl-T) and provide a handler to it.

#### Example

@ctx.on_siginfo do
  @ctx.open_url!("http://google.com")
end



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# File 'lib/shopify_cli/context.rb', line 570

def on_siginfo
  # Reset any previous SIGINFO handling we had so the only action we take is the given block
  trap("INFO", "DEFAULT")

  fork do
    r, w = IO.pipe
    @signal = false
    trap("SIGINFO") do
      @signal = true
      w.write(0)
    end
    while r.read(1)
      next unless @signal
      @signal = false
      yield
    end
  rescue Interrupt
    exit(0)
  end
end