improve toFile error message when containing potential drv path

This commit is contained in:
DavHau 2020-03-25 07:19:00 +00:00
parent 0a10854f85
commit fc14213d2d

View file

@ -1021,7 +1021,9 @@ static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Valu
for (auto path : context) {
if (path.at(0) != '/')
throw EvalError(format("in 'toFile': the file '%1%' cannot refer to derivation outputs, at %2%") % name % pos);
throw EvalError(format(
"in 'toFile': the file named '%1%' must not contain a reference "
"to a derivation but contains (%2%), at %3%") % name % path % pos);
refs.insert(state.store->parseStorePath(path));
}