(command.CommandList children: [ (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (command.AndOr ops: [Id.Op_DAmp] children: [ (C {<test>} {<-n>} {(DQ ($ Id.VSub_DollarName '$BASH'))}) (C {<test>} {<-z>} {(DQ ($ Id.VSub_DollarName '$POSIXLY_CORRECT'))}) ] ) terminator: <Id.Op_Semi _> ) ] ) action: [(C {<true>})] spids: [10 31] ) (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (command.Simple words: [{<type>} {<bash>}] redirects: [ (redir op: <Id.Redir_Great '>'> loc: (redir_loc.Fd fd:1) arg: {<'/dev/null'>} ) (redir op: <Id.Redir_GreatAnd '2>&'> loc: (redir_loc.Fd fd:2) arg: {<1>} ) ] do_fork: T ) terminator: <Id.Op_Semi _> ) ] ) action: [ (C {<unset>} {<POSIXLY_CORRECT>}) (C {<exec>} {<bash>} {(DQ ($ Id.VSub_Number '$0'))} {(DQ ($ Id.VSub_At '$@'))}) ] spids: [40 53] ) ] else_action: [ (C {<echo>} {(SQ <'1..0 #SKIP skipping bash completion tests; bash not available'>)}) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>}) ] ) (C {<.>} {<'./test-lib.sh'>}) ] )