Force syncthing config and database to .config

This is partly a way to keep notes on useful software that I might otherwise forget about

flake.nix

@@ -30,14 +30,19 @@
     nixos-wsl,
     intake,
     intake-sources,
-  }: {
+  }@inputs: {
     nixosModules.beatific = import ./modules/beatific.nix;
 
-    nixosConfigurations = {
+    nixosConfigurations = let
+      pinNixpkgs = nixpkgs: { ... }: {
+        nix.registry.nixpkgs.to = { type = "path"; path = nixpkgs; };
+      };
+    in {
       backyard = nixpkgs-2311.lib.nixosSystem {
         system = "x86_64-linux";
         modules = [
           self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2311)
           ./machine/backyard
         ];
       };
@@ -45,6 +50,7 @@
         system = "aarch64-linux";
         modules = [
           self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2305)
           ./machine/catacomb
         ];
       };
@@ -54,6 +60,7 @@
           self.nixosModules.beatific
           intake.nixosModules.default
           intake-sources.nixosModules.default
+          (pinNixpkgs nixpkgs-2305)
           ./machine/empyrean
         ];
       };
@@ -61,6 +68,7 @@
         system = "x86_64-linux";
         modules = [
           self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2311)
           ({ ... }: {
             environment.systemPackages = [ nixpkgs-2311.legacyPackages."i686-linux".gperftools ];
           })
@@ -78,6 +86,7 @@
         system = "x86_64-linux";
         modules = [
           self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2305)
           ./machine/unfolder
         ];
       };

machine/imperium/default.nix

@@ -50,6 +50,7 @@
   hardware.opengl.enable = true;
   hardware.opengl.driSupport32Bit = true;
 
+  beatific.extraPrograms = true;
   environment.systemPackages = with pkgs; [
     firefox
     libreoffice

modules/beatific.nix

@@ -26,6 +26,12 @@ in {
         default = false;
       };
 
+      extraPrograms = mkOption {
+        type = types.bool;
+        description = "Additional default programs";
+        default = false;
+      };
+
       # Groups of related defaults can be disabled by flipping off the switches here:
       #   beatific.defaults.${category} = false;
       # They default to true because the point is to do these things by default.
@@ -107,6 +113,14 @@ in {
       environment.variables.EDITOR = mkOverride 999 "vim";
     })
 
+    (mkIf cfg.extraPrograms {
+      environment.systemPackages = with pkgs; [
+        calibre  # provides ebook-convert
+        imagemagick  # image convertion cli
+        tesseract  # OCR engine
+      ];
+    })
+
     (mkIf cfg.defaults.ssh {
       services.openssh.enable = true;
       services.openssh.banner = let
@@ -180,7 +194,10 @@ in {
       # system services so as not to require login to sync.
       services.syncthing = {
         enable = true;
-        dataDir = "/home/tvb";
+        configDir = "/home/tvb/.config/syncthing";
+        # this doesn't prevent syncthing from putting sync points in other locations, it's just a default
+        # normally it would make sense to put it at ~ but see https://github.com/NixOS/nixpkgs/pull/273693
+        dataDir = "/home/tvb/.config/syncthing";
         openDefaultPorts = true;
         user = "tvb";
         group = "tvb";