From 5a2116572d97128c750ba8ecb4aa24991622501e Mon Sep 17 00:00:00 2001
From: Zhongheng Liu <z.liu@outlook.com.gr>
Date: Sun, 25 Aug 2024 18:43:16 +0800
Subject: [PATCH] feat: included additional system components

Moved proxy declaration to specialisation
Enabled avahi
Enabled CUPS printing services
---
 nixos/configuration.nix             | 10 +++++++---
 nixos/services/avahi.service.nix    |  7 +++++++
 nixos/services/laptop.preset.nix    |  2 ++
 nixos/services/printing.service.nix |  6 ++++++
 4 files changed, 22 insertions(+), 3 deletions(-)
 create mode 100644 nixos/services/avahi.service.nix
 create mode 100644 nixos/services/printing.service.nix

diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 2ef2d79..af1a358 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -37,9 +37,13 @@
     enable = true;
     powerOnBoot = true;
   };
-  networking.proxy = {
-    default = "http://127.0.0.1:7897/";
-    noProxy = "127.0.0.1,localhost,internal.domain";
+  specialisation = {
+    in-china.configuration = {
+      networking.proxy = {
+        default = "http://127.0.0.1:7897/";
+        noProxy = "127.0.0.1,localhost,internal.domain";
+      };
+    };
   };
 
   systemd.user.services.mpris-proxy = {
diff --git a/nixos/services/avahi.service.nix b/nixos/services/avahi.service.nix
new file mode 100644
index 0000000..54bf88c
--- /dev/null
+++ b/nixos/services/avahi.service.nix
@@ -0,0 +1,7 @@
+{...}: {
+  services.avahi = {
+    enable = true;
+    nssmdns = true;
+    openFirewall = true;
+  };
+}
diff --git a/nixos/services/laptop.preset.nix b/nixos/services/laptop.preset.nix
index 4199353..31d0137 100644
--- a/nixos/services/laptop.preset.nix
+++ b/nixos/services/laptop.preset.nix
@@ -4,5 +4,7 @@
     ./pipewire.service.nix
     ./syncthing.service.nix
     ./misc.service.nix
+    ./avahi.service.nix
+    ./printing.service.nix
   ];
 }
diff --git a/nixos/services/printing.service.nix b/nixos/services/printing.service.nix
new file mode 100644
index 0000000..a89c732
--- /dev/null
+++ b/nixos/services/printing.service.nix
@@ -0,0 +1,6 @@
+{...}: {
+  services.printing = {
+    enable = true;
+    drivers = [];
+  };
+}