| [] -> env
| d :: _ -> Ast.Env.add "^" d env in
let code = Eval.to_shell_script env loc code in
- let code = "set -e\nset -x\n\n" ^ code in
+ let code = "set -e\n" (*^ "set -x\n" *) ^ "\n" ^ code in
let r = Sys.command code in
if r = 99 (* means "needs rebuild" *) then true
else if r = 0 (* means "doesn't need rebuild" *) then false