(command.CommandList children: [ (C {<set>} {<-ex>}) (C {<cp>} {<-r>} { (command_sub left_token: <Id.Left_DollarParen '$('> child: (C {<dirname>} {(DQ ($ Id.VSub_DollarName '$BASH_SOURCE'))}) ) <'/../../format'> } {<'_docs/format'>} ) ] )