(command.CommandList children: [ (command.CommandList children: [ (command.Sentence child: (C {<.>} { (DQ (braced_var_sub token: <Id.VSub_Name srcdir> suffix_op: (suffix_op.Unary tok:<Id.VTest_Equals '='> arg_word:{<.>}) ) <'/tests/init.sh'> ) } ) terminator: <Id.Op_Semi _> ) (C {<path_prepend_>} {<'./src'>}) ] ) (C {<print_ver_>} {<touch>}) (C {<skip_if_root_>}) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:file) op: assign_op.Equal rhs: {<'/no-such-dir/file'>} spids: [67] ) ] ) (command.AndOr ops: [Id.Op_DAmp] children: [ (command.Simple words: [{<touch>} {($ Id.VSub_DollarName '$file')}] redirects: [ (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<out>}) (redir op:<Id.Redir_GreatAnd '2>&'> loc:(redir_loc.Fd fd:2) arg:{<1>}) ] do_fork: T ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:fail) op: assign_op.Equal rhs: {<1>} spids: [84] ) ] ) ] ) (command.Simple words: [{<cat>}] redirects: [ (redir op: <Id.Redir_DLess '<<'> loc: (redir_loc.Fd fd:0) arg: (redir_param.HereDoc here_begin: {<EOF>} here_end_span_id: 100 stdin_parts: [ <'touch: cannot touch \''> ($ Id.VSub_DollarName '$file') <'\': No such file or directory\n'> ] ) ) (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<exp>}) ] do_fork: T ) (command.AndOr ops: [Id.Op_DPipe] children: [ (C {<compare>} {<exp>} {<out>}) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:fail) op: assign_op.Equal rhs: {<1>} spids: [110] ) ] ) ] ) (C {<Exit>} {($ Id.VSub_DollarName '$fail')}) ] )