chore: deduplication and reformat of flake.nix

flake.nix

@@ -7,34 +7,50 @@
     };
   };
   outputs = {
-    self, flake-utils, nixpkgs, git-ignore-nix, ...
+    self,
-  }: flake-utils.lib.eachDefaultSystem (system: let
+    flake-utils,
+    nixpkgs,
+    git-ignore-nix,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
       overlay = self: super: {
         picom = super.picom.overrideAttrs (oldAttrs: rec {
+          version = "11";
           pname = "picom";
-        buildInputs = [
+          buildInputs =
-          self.pcre2 self.xorg.xcbutil self.libepoxy
+            [
-        ] ++ self.lib.remove self.xorg.libXinerama (
+              self.pcre2
+              self.xorg.xcbutil
+              self.libepoxy
+            ]
+            ++ self.lib.remove self.xorg.libXinerama (
               self.lib.remove self.pcre oldAttrs.buildInputs
             );
           src = git-ignore-nix.lib.gitignoreSource ./.;
         });
       };
-    pkgs = import nixpkgs { inherit system overlays; config.allowBroken = true; };
+
-    overlays = [ overlay ];
+      pkgs = import nixpkgs {
+        inherit system overlays;
+        config.allowBroken = true;
+      };
+
+      overlays = [overlay];
     in rec {
-    inherit overlay overlays;
+      inherit
-    defaultPackage = pkgs.picom.overrideAttrs (o: {
+        overlay
-      version = "11";
+        overlays
-      src = ./.;
+        ;
-      buildInputs = o.buildInputs ++ [ pkgs.libepoxy ];
+      defaultPackage = pkgs.picom;
-    });
       devShell = defaultPackage.overrideAttrs {
-      buildInputs = defaultPackage.buildInputs ++ (with pkgs; [
+        buildInputs =
+          defaultPackage.buildInputs
+          ++ (with pkgs; [
             clang-tools_17
             llvmPackages_17.clang-unwrapped.python
           ]);
-      hardeningDisable = [ "fortify" ];
+        hardeningDisable = ["fortify"];
         shellHook = ''
           # Workaround a NixOS limitation on sanitizers:
           # See: https://github.com/NixOS/nixpkgs/issues/287763