Stop using overlays in the middle of modules

2 files changed, 8 insertions, 9 deletions

diff --git a/modules/private/databases/default.nix b/modules/private/databases/default.nix
index c4a023a..6cd6feb 100644
--- a/modules/private/databases/default.nix
+++ b/modules/private/databases/default.nix
@@ -10,10 +10,6 @@ in
     };
   };
 
-  config.nixpkgs.overlays = lib.mkIf cfg.enable [ (self: super: {
-    postgresql = self.postgresql_11_custom;
-  }) ];
-
   config.myServices.databases = lib.mkIf cfg.enable {
     mariadb = {
       enable = true;
diff --git a/modules/private/databases/postgresql_replication.nix b/modules/private/databases/postgresql_replication.nix
index 7172c5e..6ac2455 100644
--- a/modules/private/databases/postgresql_replication.nix
+++ b/modules/private/databases/postgresql_replication.nix
@@ -11,6 +11,13 @@ in
         Base path to put the replications
         '';
     };
+    mainPackage = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs.postgresql;
+      description = ''
+        Postgresql package available in shell
+      '';
+    };
     hosts = lib.mkOption {
       default = {};
       description = ''
@@ -43,10 +50,6 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-    nixpkgs.overlays = [ (self: super: {
-      postgresql = self.postgresql_11_custom;
-    }) ];
-
     users.users.postgres = {
       name = "postgres";
       uid = config.ids.uids.postgres;
@@ -57,7 +60,7 @@ in
       extraGroups = [ "keys" ];
     };
     users.groups.postgres.gid = config.ids.gids.postgres;
-    environment.systemPackages = [ pkgs.postgresql ];
+    environment.systemPackages = [ cfg.mainPackage ];
 
     secrets.keys = lib.flatten (lib.mapAttrsToList (name: hcfg: [
       {