case subcommand
when 'keep'
@sub = remaining_opts.shift
- if ['get', 'put', 'ls', 'normalize'].index @sub then
+ if ['get', 'put', 'ls', 'normalize', 'copy'].index @sub then
# Native Arvados
exec `which arv-#{@sub}`.strip, *remaining_opts
elsif ['less', 'check'].index @sub then