adding syncthing as a desktop service

modules/desktop.nix

@@ -1,5 +1,8 @@
 { pkgs, lib, config, stable, ... }:
 
+let
+  laptop = builtins.readFile "/etc/hostname" == "syl\n";
+in
 {
 
   # nix = {
@@ -226,6 +229,52 @@
     };
   };
 
+  services.syncthing = {
+    enable = true;
+    dataDir = "/home/chris/.local/share/syncthing";
+    openDefaultPorts = true;
+    configDir = "/home/chris/.config/syncthing";
+    user = "chris";
+    group = "users";
+    guiAddress = "0.0.0.0:8384";
+    devices = {
+      syl = {
+        id = "AJMADOK-TENODAA-VSOEW2A-4RXY2XI-YNHIS7H-H3ZYAO5-3UQ64EE-O2N5BAY";
+      };
+      kaladin = {
+        id = "LH6523Z-QQ5F3A4-SINZDOI-UFMQBIX-ZV6Q5BQ-LTKVMDB-CRI6QG5-RRKJFQS";
+      };
+      shadow = {
+        id = "B24VU6Z-URTMEXN-ZYKRWX7-XWSTHXD-XKX67EB-XSKMT4V-KWKGX7Q-W7DB2QV";
+      };
+      tablet = {
+        id = "4HEXCNH-MCVBZQX-LQ735TG-P2VTJ7N-CZ5MK4P-ICZAPC7-YCXVEWV-7NILMA5";
+      };
+      kohlin = {
+        id = "BSWKBRR-2IJBCHA-UQY7DE7-CV2U2IL-PMFQFCJ-D5ZZJMU-FPYRUPC-MCC32QQ";
+      };
+      dalinar = {
+        id = "MPRMA33-XHW6SRE-D2EDBCP-TSMRNGI-ZCE2TAN-FE4BMKA-PSKGYJW-CRIEJQL";
+      };
+    };
+    folders = {
+      docs = {
+        id = "docs";
+        path = "/home/chris/docs";
+        devices = [ (if laptop then "kaladin" else "syl") "shadow" "dalinar" ];
+        versioning = {
+          type = "staggered";
+          fsPath = "~/.local/syncthing/backup";
+          params = {
+            cleanInterval = 3600;
+            maxAge = 31536000;
+          };
+        };
+      };
+    };
+  };
+
+
   # Android Tools
   programs.adb.enable = true;
   services.udev.packages = [ pkgs.android-udev-rules ];