fix(nixos): generic postgresql

nixos/module/generic/postgresql.nix

@@ -49,7 +49,6 @@ in {
       extensions = let
         packages = {
           inherit (cfg.package.pkgs) pg_net pgjwt pg_cron http pg_smtp_client plsh;
-          hemar = self.packages.${system}.pg-15-hemar;
         };
       in
         lib.attrValues (

package/hemar/parser/hemar.sh

@@ -341,6 +341,8 @@ grammar_check() {
       # NOTE: we always know grammar mode but first argument
       # just regular parse as string or as path if seen unquoted '.'
 
+      !! if we here find a path so it interpolation, sure?
+
       if ! [ "${TAG_in_quoted_string+x}" ]; then
         unquoted_string_grammar
       fi