nix: make nix expressions forward-compatible with newer nixpkgs

When consuming PostgREST via flake, nixpkgs can be pinned to a newer version, to which we might not be compatible, yet.
2025-03-28 09:22:34 +00:00
parent 149be6bc33
commit 1b57774bdf
1 changed files with 3 additions and 2 deletions
@@ -1,6 +1,7 @@
 _: super:
 {
-  libpq = super.callPackage ../libpq.nix {
+  # Depending on which nixpkgs version is pinned, libpq might either be available already - or not.
+  libpq = super.libpq or (super.callPackage ../libpq.nix {
    postgresql = super.postgresql_16;
-  };
+  });
 }