Adds launchd agent for auto-updating programs

launchd.nix

@@ -1,7 +1,8 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
 
-{
+let binDir = "${config.home.profileDirectory}/bin";
-  launchd.agents.dyndns-updater = {
+in {
+  launchd.agents.dyndns-updater = lib.optionalAttrs pkgs.stdenv.hostPlatform.isDarwin {
     enable = true;
     config = {
       Program = "${pkgs.cloudflare-dyndns}/bin/cloudflare-dyndns";
@@ -12,10 +13,34 @@
         "--debug"
         "home.abhinavsarkar.net"
       ];
-      StandardErrorPath = "/tmp/cloudflare-dyndns.log";
+      StandardErrorPath = "/tmp/hm-dyndns-updater.log";
-      StandardOutPath = "/tmp/cloudflare-dyndns.log";
+      StandardOutPath = "/tmp/hm-dyndns-updater.log";
       StartInterval = 600;
       ProcessType = "Background";
     };
   };
+
+  launchd.agents.program-updater = lib.optionalAttrs pkgs.stdenv.hostPlatform.isDarwin {
+    enable = true;
+    config = {
+      Program = "${binDir}/bash";
+      ProgramArguments = [
+        "${binDir}/bash"
+        "-c"
+        ''echo && date && \
+          export PATH="${binDir}:$PATH" && echo $PATH && \
+          nix-channel --update && \
+          home-manager switch && 
+          nix-collect-garbage -d --delete-old
+        ''
+      ];
+      StandardErrorPath = "/tmp/hm-program-updater.log";
+      StandardOutPath = "/tmp/hm-program-updater.log";
+      StartCalendarInterval = [{
+        Hour = 10;
+        Minute = 30;
+      }];
+      ProcessType = "Background";
+    };
+  };
 }

programs/default.nix

@@ -4,6 +4,7 @@
   imports = [ ./fish.nix ./git.nix ];
 
   home.packages = with pkgs; [
+    bash
     broot
     cloc
     cloudflare-dyndns