nixos/tests/immich-vectorchord-reindex: pin vectorchord's cargo-pgrx

        environment.IMMICH_LOG_LEVEL = "verbose";

      };

      services.postgresql.extensions = lib.mkForce (ps: [

        ps.pgvector

        # pin vectorchord to an older version simulate version bump

        (ps.vectorchord.overrideAttrs (prevAttrs': rec {

          version = "0.5.2";

      services.postgresql.extensions = lib.mkForce (

        ps:

        let

          # Pin vectorchord to an older version simulate version bump.

          # This version must have a different "schema" version than the latest version in nixpkgs.

          # See version number at https://github.com/tensorchord/VectorChord/blob/1.1.0/crates/vchordrq/src/tuples.rs#L23

          vectorchord =

            (ps.vectorchord.override {

              cargo-pgrx_0_17_0 = pkgs.cargo-pgrx_0_16_0;

            }).overrideAttrs

              (

                finalAttrs: _: {

                  version = "1.0.0";

                  src = pkgs.fetchFromGitHub {

                    owner = "tensorchord";

                    repo = "vectorchord";

            tag = version;

            hash = "sha256-KGwiY5t1ivFiYex3D20y3sdiu3CT9LCDd2fPnRE56jM=";

                    tag = finalAttrs.version;

                    hash = "sha256-+BOuiinbKPZZaDl9aYsIoZPgvLZ4FA6Rb4/W+lAz4so=";

                  };

                  cargoDeps = pkgs.rustPlatform.fetchCargoVendor {

            inherit src;

            hash = "sha256-Vn3c/xuUpQzERJ74I0qbvufTZtW3goefPa5B/nOUO48=";

                    inherit (finalAttrs) src;

                    hash = "sha256-kwe2x7OTjpdPonZsvnR1C/89D5W/R5JswYF79YcSFEA=";

                  };

        }))

      ]);

                }

              );

        in

        [

          ps.pgvector

          vectorchord

        ]

      );

      specialisation."immich-vectorchord-upgraded".configuration = {

        # needs to be lower than mkForce, otherwise it does not get rid of the previous version