From 4c25000dcfc0a8e98b95ccc83f8b252a10537341 Mon Sep 17 00:00:00 2001
From: xieby1 <xieby1@outlook.com>
Date: Thu, 23 May 2024 11:49:16 +0800
Subject: [PATCH] sys: gui: auto push overrided gnome to cachix

---
 sys/gui.nix | 79 ++++++++++++++++++++++++++++++-----------------------
 1 file changed, 45 insertions(+), 34 deletions(-)

diff --git a/sys/gui.nix b/sys/gui.nix
index 4ed01254..b11d8512 100644
--- a/sys/gui.nix
+++ b/sys/gui.nix
@@ -1,6 +1,51 @@
 { config, pkgs, ... }:
 
 {
+  imports = [ # files
+
+  ] ++ [{ # functions & attrs
+    # support fractional scaling for x11 gnome:
+    # refer to https://nixos.wiki/wiki/Overlays#Overriding_a_package_inside_a_scope
+    nixpkgs.overlays = [ (final: prev: {
+      gnome = prev.gnome.overrideScope' (gfinal: gprev: {
+        mutter = let
+          mutter-x11-scaling = pkgs.fetchFromGitHub {
+            owner = "puxplaying";
+            repo = "mutter-x11-scaling";
+            rev = "dca2dca4b6fd769abb158c1728e7a9277dd2d478";
+            hash = "sha256-xK8kDmGwB/a85qS2EsEOviaNGcAsV6vNlE1UQElzcnE=";
+          };
+        in gprev.mutter.overrideAttrs (old: {
+          patches = (pkgs.lib.optionals (old ? patches) old.patches) ++ [
+            "${mutter-x11-scaling}/mutter-45.0-x11-Add-support-for-fractional-scaling-using-Randr.patch"
+          ];
+        });
+        gnome-control-center = let
+          gnome-control-center-x11-scaling = pkgs.fetchFromGitHub {
+            owner = "puxplaying";
+            repo = "gnome-control-center-x11-scaling";
+            rev = "758a28e2c0e6f3cbe5c59154a850504d7c56e81b";
+            hash = "sha256-vRiZXqpWyU4c0hvJXVCoqfbYPtePGOI6hZO/bJ4/6D8=";
+          };
+        in gprev.gnome-control-center.overrideAttrs (old: {
+          patches = (pkgs.lib.optionals (old ? patches) old.patches) ++ [
+            "${gnome-control-center-x11-scaling}/gnome-control-center-45.0-display-Support-UI-scaled-logical-monitor-mode.patch"
+            "${gnome-control-center-x11-scaling}/gnome-control-center-45.0-display-Allow-fractional-scaling-to-be-enabled.patch"
+          ];
+        });
+      });
+    }) ];
+
+    # push the overrided mutter and gnome to my cachix
+    system.activationScripts = {
+      cachix_push = let
+        cachix_dhall = "/home/xieby1/Gist/Config/cachix.dhall";
+      in pkgs.lib.optionalString (builtins.pathExists cachix_dhall) ''
+        ${pkgs.cachix}/bin/cachix -c ${cachix_dhall} push xieby1 ${pkgs.gnome.mutter} ${pkgs.gnome.gnome-control-center}
+      '';
+    };
+  }] ;
+
   # Enable the X11 windowing system.
   services.xserver.enable = true;
   services.xserver.videoDrivers = [
@@ -15,40 +60,6 @@
   services.xserver.displayManager.gdm.wayland = false;
   services.xserver.desktopManager.gnome.enable = true;
 
-  nixpkgs.overlays = [ (final: prev: {
-
-    # refer to https://nixos.wiki/wiki/Overlays#Overriding_a_package_inside_a_scope
-    # support fractional scaling for x11
-    gnome = prev.gnome.overrideScope' (gfinal: gprev: {
-      mutter = let
-        mutter-x11-scaling = pkgs.fetchFromGitHub {
-          owner = "puxplaying";
-          repo = "mutter-x11-scaling";
-          rev = "dca2dca4b6fd769abb158c1728e7a9277dd2d478";
-          hash = "sha256-xK8kDmGwB/a85qS2EsEOviaNGcAsV6vNlE1UQElzcnE=";
-        };
-      in gprev.mutter.overrideAttrs (old: {
-        patches = (pkgs.lib.optionals (old ? patches) old.patches) ++ [
-          "${mutter-x11-scaling}/mutter-45.0-x11-Add-support-for-fractional-scaling-using-Randr.patch"
-        ];
-      });
-      gnome-control-center = let
-        gnome-control-center-x11-scaling = pkgs.fetchFromGitHub {
-          owner = "puxplaying";
-          repo = "gnome-control-center-x11-scaling";
-          rev = "758a28e2c0e6f3cbe5c59154a850504d7c56e81b";
-          hash = "sha256-vRiZXqpWyU4c0hvJXVCoqfbYPtePGOI6hZO/bJ4/6D8=";
-        };
-      in gprev.gnome-control-center.overrideAttrs (old: {
-        patches = (pkgs.lib.optionals (old ? patches) old.patches) ++ [
-          "${gnome-control-center-x11-scaling}/gnome-control-center-45.0-display-Support-UI-scaled-logical-monitor-mode.patch"
-          "${gnome-control-center-x11-scaling}/gnome-control-center-45.0-display-Allow-fractional-scaling-to-be-enabled.patch"
-        ];
-      });
-    });
-
-  }) ];
-
   # https://discourse.nixos.org/t/how-to-create-folder-in-var-lib-with-nix/15647
   system.activationScripts.user_account_conf = pkgs.lib.stringAfter [ "var" ] (let
     face = pkgs.fetchurl {