nixosTests.postgresql.*: fix eval

The `libpq` attribute from `postgresqlVersions` doesn't have a `pkgs`
attribute with extensions in it. Filtering for postgresql server
packages only fixes the problem.

Reported in https://github.com/NixOS/nixpkgs/pull/359659#issuecomment-2601045449

nixos/tests/postgresql/anonymizer.nix

@@ -109,7 +109,7 @@ let
 in
 lib.recurseIntoAttrs (
   lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
-    lib.filterAttrs (_: p: !p.pkgs.anonymizer.meta.broken) pkgs.postgresqlVersions
+    lib.filterAttrs (_: p: p ? pkgs && !p.pkgs.anonymizer.meta.broken) pkgs.postgresqlVersions
   )
   // {
     passthru.override = p: makeTestFor p;

nixos/tests/postgresql/pgjwt.nix

@@ -50,7 +50,7 @@ let
 in
 lib.recurseIntoAttrs (
   lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
-    lib.filterAttrs (_: p: !p.pkgs.pgjwt.meta.broken) pkgs.postgresqlVersions
+    lib.filterAttrs (_: p: p ? pkgs && !p.pkgs.pgjwt.meta.broken) pkgs.postgresqlVersions
   )
   // {
     passthru.override = p: makeTestFor p;

nixos/tests/postgresql/pgvecto-rs.nix

@@ -74,7 +74,7 @@ let
 in
 lib.recurseIntoAttrs (
   lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
-    lib.filterAttrs (_: p: !p.pkgs.pgvecto-rs.meta.broken) pkgs.postgresqlVersions
+    lib.filterAttrs (_: p: p ? pkgs && !p.pkgs.pgvecto-rs.meta.broken) pkgs.postgresqlVersions
   )
   // {
     passthru.override = p: makeTestFor p;

nixos/tests/postgresql/postgresql-tls-client-cert.nix

@@ -129,7 +129,9 @@ let
     };
 in
 lib.recurseIntoAttrs (
-  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) pkgs.postgresqlVersions
+  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
+    lib.filterAttrs (_: p: p ? pkgs) pkgs.postgresqlVersions
+  )
   // {
     passthru.override = p: makeTestFor p;
   }

nixos/tests/postgresql/postgresql-wal-receiver.nix

@@ -109,7 +109,9 @@ let
     };
 in
 lib.recurseIntoAttrs (
-  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) pkgs.postgresqlVersions
+  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
+    lib.filterAttrs (_: p: p ? pkgs) pkgs.postgresqlVersions
+  )
   // {
     passthru.override = p: makeTestFor p;
   }

nixos/tests/postgresql/postgresql.nix

@@ -263,7 +263,9 @@ let
     };
 in
 lib.recurseIntoAttrs (
-  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) pkgs.postgresqlVersions
+  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
+    lib.filterAttrs (_: p: p ? pkgs) pkgs.postgresqlVersions
+  )
   // {
     passthru.override = p: makeTestFor p;
   }

nixos/tests/postgresql/timescaledb.nix

@@ -93,7 +93,7 @@ in
 #   NIXPKGS_ALLOW_UNFREE=1 nix-build -A nixosTests.postgresql.timescaledb
 lib.dontRecurseIntoAttrs (
   lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
-    lib.filterAttrs (_: p: !p.pkgs.timescaledb.meta.broken) pkgs.postgresqlVersions
+    lib.filterAttrs (_: p: p ? pkgs && !p.pkgs.timescaledb.meta.broken) pkgs.postgresqlVersions
   )
   // {
     passthru.override = p: makeTestFor p;

nixos/tests/postgresql/tsja.nix

@@ -43,7 +43,7 @@ let
 in
 lib.recurseIntoAttrs (
   lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
-    lib.filterAttrs (_: p: !p.pkgs.tsja.meta.broken) pkgs.postgresqlVersions
+    lib.filterAttrs (_: p: p ? pkgs && !p.pkgs.tsja.meta.broken) pkgs.postgresqlVersions
   )
   // {
     passthru.override = p: makeTestFor p;

nixos/tests/postgresql/wal2json.nix

@@ -45,7 +45,7 @@ let
 in
 lib.recurseIntoAttrs (
   lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
-    lib.filterAttrs (_: p: !p.pkgs.wal2json.meta.broken) pkgs.postgresqlVersions
+    lib.filterAttrs (_: p: p ? pkgs && !p.pkgs.wal2json.meta.broken) pkgs.postgresqlVersions
   )
   // {
     passthru.override = p: makeTestFor p;