Enforce use of immutable flakes in pure mode

... plus a temporary hack to allow impure flakes at top-level for the default installation source.
2019-02-12 21:07:48 +01:00
parent ba05f29838
commit 272b58220d
6 changed files with 46 additions and 19 deletions
@@ -149,10 +149,7 @@ struct FlakeRef

    /* Check whether this is an "immutable" flake reference, that is,
       one that contains a commit hash or content hash. */
-    bool isImmutable() const
-    {
-        abort(); // TODO
-    }
+    bool isImmutable() const;
 };

 }