zaphyra's git: tgcNUR

flake: add `nixosModules`

diff --git a/flake.nix b/flake.nix
@@ -16,6 +16,55 @@
       let
         maintainersAttrset = import ./maintainers.nix;
         nixpkgsLib = inputs.nixpkgs.lib;
+        toCamelCase =
+          str:
+          nixpkgsLib.throwIfNot (nixpkgsLib.isString str) "toCamelCase does only accepts string values, but got ${nixpkgsLib.typeOf str}" (
+            let
+              separators = nixpkgsLib.splitStringBy (
+                prev: curr:
+                builtins.elem curr [
+                  "-"
+                  "_"
+                  " "
+                ]
+              ) false str;
+
+              parts = nixpkgsLib.flatten (
+                map (nixpkgsLib.splitStringBy (
+                  prev: curr: nixpkgsLib.match "[a-z]" prev != null && nixpkgsLib.match "[A-Z]" curr != null
+                ) true) separators
+              );
+
+              first = if nixpkgsLib.length parts > 0 then nixpkgsLib.toLower (nixpkgsLib.head parts) else "";
+              rest = if nixpkgsLib.length parts > 1 then builtins.map nixpkgsLib.toSentenceCase (nixpkgsLib.tail parts) else [ ];
+            in
+            nixpkgsLib.concatStrings (map (nixpkgsLib.addContextFrom str) ([ first ] ++ rest))
+          );
+        collectModules = modulesDir: (
+          let
+            files = nixpkgsLib.pipe (nixpkgsLib.fileset.fileFilter (file: file.name == "default.nix") modulesDir) [
+              nixpkgsLib.fileset.toList
+              (builtins.map builtins.toString)
+            ];
+          in nixpkgsLib.pipe files [
+            (builtins.map (elem:
+              let
+                pathList = nixpkgsLib.pipe (nixpkgsLib.splitString "/" elem) [
+                  (nixpkgsLib.drop 4)
+                ];
+                name = nixpkgsLib.pipe pathList [
+                  (nixpkgsLib.drop 1)
+                  (nixpkgsLib.dropEnd 1)
+                  (builtins.concatStringsSep "-")
+                  toCamelCase
+                ];
+                path = ./. + (builtins.concatStringsSep "/" ([ "" ] ++ pathList));
+              in nixpkgsLib.nameValuePair name (import path)
+            ))
+            builtins.listToAttrs
+          ]
+        );
+
         forAllSystems =
           function:
           nixpkgsLib.genAttrs

@@ -52,10 +101,16 @@
           };
         };
 
-        nixosModules = {
-          default = {
+        nixosModules = let
+          modules = collectModules ./nixosModules;
+        in modules // {
+          allModules = { ... }: {
+            imports = builtins.attrValues modules;
+          };
+          allPackages = { ... }: {
             nixpkgs.overlays = [ inputs.self.overlays.default ];
           };
+          default = inputs.self.nixosModules.allPackages;
         };
 
       }