feat: filter timescaledb to only be included on v15

Author: samrose

flake.nix

@@ -131,8 +131,6 @@
         # go through the upstream release engineering process.
         ourExtensions = [
           ./nix/ext/rum.nix
-          ./nix/ext/timescaledb.nix
-          ./nix/ext/timescaledb-2.9.1.nix
           ./nix/ext/pgroonga.nix
           ./nix/ext/index_advisor.nix
           ./nix/ext/wal2json.nix
@@ -214,9 +212,16 @@
           in map (path: pkgs.callPackage path { inherit postgresql; }) orioledbExtension;
 
         makeOurPostgresPkgs = version:
-          let postgresql = getPostgresqlPackage version;
-          in map (path: pkgs.callPackage path { inherit postgresql; }) ourExtensions;
-
+          let 
+            postgresql = getPostgresqlPackage version;
+            extensions = if version == "15"
+              then ourExtensions ++ [
+                ./nix/ext/timescaledb.nix
+                ./nix/ext/timescaledb-2.9.1.nix
+              ]
+              else ourExtensions;
+          in 
+          map (path: pkgs.callPackage path { inherit postgresql; }) extensions;
         # Create an attrset that contains all the extensions included in a server for the orioledb version of postgresql + extension.
         makeOurOrioleDbPostgresPkgsSet = version: patchedPostgres:
           (builtins.listToAttrs (map