zaphyra's git: tgcNUR

flake: collect overlays from `/overlays`

diff --git a/flake.nix b/flake.nix
@@ -60,7 +60,7 @@
           );
         };
 
-        overlays = {
+        overlays = (import ./overlays) // {
           nixpkgsUnstable = final: prev: {
             unstable = inputs.nixpkgsUnstable.legacyPackages.${prev.system};
           };

diff --git a/overlays/default.nix b/overlays/default.nix
@@ -0,0 +1,14 @@
+# read the current directorys files and pipe the result through a list of functions
+builtins.foldl' (x: f: f x) (builtins.readDir ./.) [
+  # convert to a list containing just the attribute names
+  (builtins.attrNames)
+  # drop "default.nix" from the list
+  (builtins.filter (name: name != "default.nix"))
+  # map the list to a name-value pair with a name that has the last  4 chars (".nix") stripped, and a value that is the contents of that given file
+  (builtins.map (name: {
+    name = builtins.substring 0 ((builtins.stringLength name) - 4) name;
+    value = import ./${name};
+  }))
+  # convert the resulting list to an attribute set
+  (builtins.listToAttrs)
+]