(command.CommandList children: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:DIR) op: assign_op.Equal rhs: { (DQ (command_sub left_token: <Id.Left_DollarParen '$('> child: (command.AndOr ops: [Id.Op_DAmp] children: [ (C {<cd>} { (DQ (command_sub left_token: <Id.Left_DollarParen '$('> child: (C {<dirname>} { (DQ (braced_var_sub token: <Id.VSub_Name BASH_SOURCE> bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 0>}) ) ) } ) ) ) } ) (C {<pwd>}) ] ) ) ) } spids: [4] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:REFMT) op: assign_op.Equal rhs: {(DQ )} spids: [35] ) ] ) (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (command.DBracket expr: (bool_expr.Unary op_id: Id.BoolUnary_f child: {($ Id.VSub_DollarName '$DIR') <'/refmt_impl.native'>} ) ) terminator: <Id.Op_Semi _> ) ] ) action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:REFMT) op: assign_op.Equal rhs: {(DQ ($ Id.VSub_DollarName '$DIR') <'/refmt_impl.native'>)} spids: [55] ) ] ) ] spids: [40 52] ) ] ) (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (command.DBracket expr: (bool_expr.Unary op_id: Id.BoolUnary_f child: {($ Id.VSub_DollarName '$DIR') <'/refmt'>} ) ) terminator: <Id.Op_Semi _> ) ] ) action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:REFMT) op: assign_op.Equal rhs: {(DQ ($ Id.VSub_DollarName '$DIR') <'/refmt'>)} spids: [79] ) ] ) ] spids: [64 76] ) ] ) (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (command.DBracket expr: (bool_expr.Unary op_id: Id.BoolUnary_z child: {($ Id.VSub_DollarName '$REFMT')} ) ) terminator: <Id.Op_Semi _> ) ] ) action: [ (command.Simple words: [{<echo>} {(DQ <'Couldn\'t find refmt'>)}] redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})] do_fork: T ) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>}) ] spids: [88 99] ) ] ) (C {($ Id.VSub_DollarName '$REFMT')} {($ Id.VSub_At '$@')} {<-recoverable>} {<true>} {<-parse>} {<re>}) ] )