re-fix permissions for GHC

2015-11-19 16:06:21 -08:00
parent 5deb7fbdfb
commit b9b7bb1806
1 changed files with 5 additions and 2 deletions
@@ -2503,8 +2503,11 @@ void DerivationGoal::runChild()
            }
            sandboxProfile += ")\n";

-            /* Our inputs (transitive dependencies and any impurities computed above) */
-            sandboxProfile += "(allow file-read* process-exec\n";
+            /* Our inputs (transitive dependencies and any impurities computed above)
+
+               without file-write* allowed, access() incorrectly returns EPERM
+             */
+            sandboxProfile += "(allow file-read* file-write* process-exec\n";
            for (auto & i : dirsInChroot) {
                if (i.first != i.second)
                    throw SysError(format("can't map '%1%' to '%2%': mismatched impure paths not supported on darwin"));