Errore con Wordmove in cerca di soluzione

gistfile1.txt

iMac-di-Andrea:vdAM andreabarghigiani$ wordmove push -s --all

▬▬ ✓ Using Movefile: ./Movefile ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
/Library/Ruby/Gems/2.0.0/gems/wordmove-1.1.0/lib/wordmove/deployer/base.rb:23:in `deployer_for': You need to specify an environment with --environment parameter (RuntimeError)
	from /Library/Ruby/Gems/2.0.0/gems/wordmove-1.1.0/lib/wordmove/cli.rb:56:in `push'
	from /Library/Ruby/Gems/2.0.0/gems/thor-0.18.1/lib/thor/command.rb:27:in `run'
	from /Library/Ruby/Gems/2.0.0/gems/thor-0.18.1/lib/thor/invocation.rb:120:in `invoke_command'
	from /Library/Ruby/Gems/2.0.0/gems/thor-0.18.1/lib/thor.rb:363:in `dispatch'
	from /Library/Ruby/Gems/2.0.0/gems/thor-0.18.1/lib/thor/base.rb:439:in `start'
	from /Library/Ruby/Gems/2.0.0/gems/wordmove-1.1.0/bin/wordmove:6:in `<top (required)>'
	from /usr/bin/wordmove:23:in `load'
	from /usr/bin/wordmove:23:in `<main>'
iMac-di-Andrea:vdAM andreabarghigiani$ wordmove -e staging
Could not find command "_e".
iMac-di-Andrea:vdAM andreabarghigiani$ 

Suggeriscono di utilizzare l'interprete mri e non rubinus...mh....la faccenda si complica