(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: (Token id:Id.Left_DollarParen val:'$(' span_id:19) command_list: (command.CommandList children: [ (command.AndOr ops: [Id.Op_DAmp] children: [ (C {(cd)} { (DQ (command_sub left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:24) command_list: (command.CommandList children: [ (C {(dirname)} { (DQ (braced_var_sub token: (Token id: Id.VSub_Name val: BASH_SOURCE span_id: 30 ) bracket_op: (bracket_op.ArrayIndex expr: (arith_expr.ArithWord w: {(Id.Lit_Digits 0)} ) ) ) ) } ) ] ) ) ) } ) (C {(pwd)}) ] ) ] ) ) ) } spids: [17] ) ] ) (command.If arms: [ (if_arm cond: [ (command.Sentence child: (command.DBracket expr: (bool_expr.Unary op_id: Id.BoolUnary_f child: {($ Id.VSub_DollarName '$DIR') (/share.sh)} ) ) terminator: (Token id:Id.Op_Semi val:';' span_id:58) ) ] action: [(C {(.)} {(DQ ($ Id.VSub_DollarName '$DIR') (/share.sh))})] spids: [48 60] ) ] ) (command.If arms: [ (if_arm cond: [ (command.Sentence child: (command.DBracket expr: (bool_expr.Unary op_id: Id.BoolUnary_f child: {($ Id.VSub_DollarName '$DIR') (/share)} ) ) terminator: (Token id:Id.Op_Semi val:';' span_id:83) ) ] action: [(C {(.)} {(DQ ($ Id.VSub_DollarName '$DIR') (/share))})] spids: [73 85] ) ] ) (command.If arms: [ (if_arm cond: [ (command.Sentence child: (C {(Id.Lit_LBracket '[')} {(-z)} {(DQ ($ Id.VSub_DollarName '$OCAMLOPT'))} {(Id.Lit_RBracket ']')} ) terminator: (Token id:Id.Op_Semi val:';' span_id:109) ) ] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:OCAMLOPT) op: assign_op.Equal rhs: {(DQ (ocamlopt.opt))} spids: [114] ) ] ) ] spids: [98 111] ) ] ) (C {($ Id.VSub_DollarName '$OCAMLOPT')} {(DQ ($ Id.VSub_At '$@'))}) ] )