Module: Simp::CommandUtils

Included in:
LocalGpgSigningKey, Rake, RpmSigner
Defined in:
lib/simp/command_utils.rb

Instance Method Summary collapse

Instance Method Details

#which(cmd, fail = false) ⇒ Object 



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# File 'lib/simp/command_utils.rb', line 5

def which(cmd, fail=false)
  @which_cache ||= {}

  if @which_cache.has_key?(cmd)
    command = @which_cache[cmd]
  else
    command = Facter::Core::Execution.which(cmd)
    @which_cache[cmd] = command
  end

  msg = "Warning: Command #{cmd} not found on the system."

  ( fail ? raise(msg) : warn(msg) ) unless command

  command
end