Module: Jets::Util::Sh

Included in:
Code, Code::Copy::Base, Code::Stager
Defined in:
lib/jets/util/sh.rb

Instance Method Summary collapse

Instance Method Details

#capture(command) ⇒ Object

Raises:



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# File 'lib/jets/util/sh.rb', line 32

def capture(command)
  out = `#{command}`.strip
  raise Jets::Error.new("Command failed: #{command}\n#{caller(1..1).first}") unless $?.success?
  out
end

#quiet_sh(command, options = {}) ⇒ Object 



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# File 'lib/jets/util/sh.rb', line 27

def quiet_sh(command, options = {})
  options = options.merge(quiet: true) unless ENV["JETS_DEBUG"]
  sh(command, options)
end

#sh(command, options = {}) ⇒ Object 



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# File 'lib/jets/util/sh.rb', line 3

def sh(command, options = {})
  quiet = options[:quiet]
  on_fail = options[:on_fail] || :raise

  puts "=> #{command}" unless quiet
  system(command)
  success = $?.success?

  case on_fail
  when :raise
    raise Jets::Error.new("Command failed: #{command}\n#{caller(1..1).first}") unless success
  when :exit
    unless success
      if quiet
        abort("Command failed: #{command}\n")
      else
        abort("Command failed: #{command}\n#{caller.join("\n")}")
      end
    end
  end

  success
end