From d9e7668ff4ab7a56b0f45475ef6e8daf22d2c7c8 Mon Sep 17 00:00:00 2001
From: LavaDesu <me@lava.moe>
Date: Thu, 24 Aug 2023 20:18:35 +0700
Subject: [PATCH] system/ccache: init and add to hyacinth

---
 hosts/hyacinth/default.nix |  3 +--
 modules/default.nix        |  1 +
 modules/system/ccache.nix  | 30 ++++++++++++++++++++++++++++++
 modules/system/nix.nix     |  1 +
 4 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100644 modules/system/ccache.nix

diff --git a/hosts/hyacinth/default.nix b/hosts/hyacinth/default.nix
index 4fe6c33..d4aa308 100644
--- a/hosts/hyacinth/default.nix
+++ b/hosts/hyacinth/default.nix
@@ -16,6 +16,7 @@
 
     audio
     base
+    ccache
     greetd
     gui
     input
@@ -47,7 +48,6 @@
   };
   virtualisation = {
     lxd.enable = true;
-    #waydroid.enable = true;
     spiceUSBRedirection.enable = true;
     libvirtd = {
       enable = true;
@@ -66,5 +66,4 @@
     "python-2.7.18.6-env"
     "python-2.7.18.6"
   ];
-
 }
diff --git a/modules/default.nix b/modules/default.nix
index 205afc2..bba3698 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -27,6 +27,7 @@ in {
   system = mkAttrsFromPaths [
     ./system/audio.nix
     ./system/base.nix
+    ./system/ccache.nix
     ./system/greetd.nix
     ./system/gui.nix
     ./system/home-manager.nix
diff --git a/modules/system/ccache.nix b/modules/system/ccache.nix
new file mode 100644
index 0000000..814c857
--- /dev/null
+++ b/modules/system/ccache.nix
@@ -0,0 +1,30 @@
+{ config, ... }: {
+  programs.ccache.enable = true;
+  nixpkgs.overlays = [
+    (self: super: {
+      ccacheWrapper = super.ccacheWrapper.override {
+        extraConfig = ''
+          export CCACHE_COMPRESS=1
+          export CCACHE_DIR="${config.programs.ccache.cacheDir}"
+          export CCACHE_UMASK=007
+          if [ ! -d "$CCACHE_DIR" ]; then
+            echo "====="
+            echo "Directory '$CCACHE_DIR' does not exist"
+            echo "Please create it with:"
+            echo "  sudo mkdir -m0770 '$CCACHE_DIR'"
+            echo "  sudo chown root:nixbld '$CCACHE_DIR'"
+            echo "====="
+            exit 1
+          fi
+          if [ ! -w "$CCACHE_DIR" ]; then
+            echo "====="
+            echo "Directory '$CCACHE_DIR' is not accessible for user $(whoami)"
+            echo "Please verify its access permissions"
+            echo "====="
+            exit 1
+          fi
+        '';
+      };
+    })
+  ];
+}
diff --git a/modules/system/nix.nix b/modules/system/nix.nix
index 3152bb9..dc16ed4 100644
--- a/modules/system/nix.nix
+++ b/modules/system/nix.nix
@@ -3,6 +3,7 @@
     package = pkgs.nixUnstable;
 
     settings = rec {
+      extra-sandbox-paths = [ config.programs.ccache.cacheDir ];
       substituters = [
         "https://cache.nixos.org?priority=10"
         "https://lava.cachix.org"