push sheeet

pkgs/servers/sql/postgresql/default.nix

@@ -0,0 +1,41 @@
+self:
+let
+  # Before removing an EOL major version, make sure to check the versioning policy in:
+  # <nixpkgs>/nixos/modules/services/databases/postgresql.md
+  #
+  # Before removing, make sure to update it to the last minor version - and if only in
+  # an immediately preceding commit. This allows people relying on that old major version
+  # for a bit longer to still update up to this commit to at least get the latest minor
+  # version. In other words: Do not remove the second-to-last minor version from nixpkgs,
+  # yet. Update first.
+  versions = {
+    postgresql_13 = ./13.nix;
+    postgresql_14 = ./14.nix;
+    postgresql_15 = ./15.nix;
+    postgresql_16 = ./16.nix;
+    postgresql_17 = ./17.nix;
+    postgresql_18 = ./18.nix;
+  };
+
+  mkAttributes =
+    jitSupport:
+    self.lib.mapAttrs' (
+      version: path:
+      let
+        attrName = if jitSupport then "${version}_jit" else version;
+        postgresql = import path { inherit self; };
+        attrValue = if jitSupport then postgresql.withJIT else postgresql.withoutJIT;
+      in
+      self.lib.nameValuePair attrName attrValue
+    ) versions;
+
+  libpq = self.callPackage ./libpq.nix { };
+
+in
+{
+  # variations without and with JIT
+  postgresqlVersions = mkAttributes false;
+  postgresqlJitVersions = mkAttributes true;
+
+  inherit libpq;
+}