feat: make pg_regress available in /bin outputs

Author: samrose

flake.nix

@@ -61,6 +61,7 @@
  };
 
  sfcgal = pkgs.callPackage ./nix/ext/sfcgal/sfcgal.nix { };
+ pg_regress = pkgs.callPackage ./nix/ext/pg_regress.nix { };
 
  # Our list of PostgreSQL extensions which come from upstream Nixpkgs.
  # These are maintained upstream and can easily be used here just by
@@ -269,6 +270,7 @@
  #psql_16 = makePostgres "16";
  #psql_orioledb_16 = makeOrioleDbPostgres "16_23" postgresql_orioledb_16;
  sfcgal = sfcgal;
+ pg_regress = pg_regress;
  pg_prove = pkgs.perlPackages.TAPParserSourceHandlerpgTAP;
  # Start a version of the server.
  start-server =

nix/ext/pg_regress.nix

@@ -0,0 +1,24 @@
+{ lib
+, stdenv
+, postgresql
+}:
+
+stdenv.mkDerivation {
+ pname = "pg_regress";
+ version = postgresql.version;
+
+ phases = [ "installPhase" ];
+
+ installPhase = ''
+ mkdir -p $out/bin
+ cp ${postgresql}/lib/pgxs/src/test/regress/pg_regress $out/bin/
+ '';
+
+ meta = with lib; {
+ description = "Regression testing tool for PostgreSQL";
+ homepage = "https://www.postgresql.org/";
+ maintainers = with maintainers; [ samrose ];
+ platforms = postgresql.meta.platforms;
+ license = licenses.postgresql;
+ };
+}