Add home-manager cleanup cronjob

home-manager/common/services/clean-home-manager.nix

@@ -0,0 +1,26 @@
+{ pkgs, ... }: {
+  systemd.user.services.cleanup-generations = {
+    Unit = {
+      Description = "Cleanup old home-manager generations";
+    };
+    Service = {
+      Type = "oneshot";
+      ExecStart = "${pkgs.writeShellScript "cleanup-generations" ''
+        home-manager generations | tail -n +6 | awk '{print $5}' | xargs -I {} home-manager remove-generations {}
+      ''}";
+    };
+  };
+
+  systemd.user.timers.cleanup-generations = {
+    Unit = {
+      Description = "Timer for cleaning up old home-manager generations";
+    };
+    Timer = {
+      OnCalendar = "weekly";
+      Persistent = true;
+    };
+    Install = {
+      WantedBy = [ "timers.target" ];
+    };
+  };
+}

home-manager/default.nix

@@ -3,6 +3,9 @@
     # Common configs
     ./common/software/cli
 
+    # Services
+    ./common/services/clean-home-manager.nix
+
     # User configs
     ./users/${username}
 
@@ -25,15 +28,6 @@
     homeDirectory = "/home/${username}";
     sessionPath = [ "$HOME/.local/bin" ];
   };
-  
-  # Clean up all but the most recent 5 home-manager configs
-  services.cron = {
-    enable = true;
-    crontab = ''
-      # Cleanup all but last 5 home-manager generations weekly on Sunday at midnight
-      0 0 * * 0 home-manager generations | tail -n +6 | awk '{print $5}' | xargs -I {} home-manager remove-generations {}
-    '';
-  };
  
   nixpkgs = {
     overlays = [

home-manager/small.nix

@@ -1,7 +1,6 @@
 { lib, inputs, hostname, username, desktop, hmStateVersion, ... }: {
   imports = [ 
     # Common configs
-    # ./common/software/cli/bash.nix
     ./common/software/cli/fish.nix
     ./common/software/cli/git.nix
     ./common/software/cli/nixvim/base.nix
@@ -13,6 +12,9 @@
     ./common/software/cli/gpg.nix
     ./common/software/cli/zoxide.nix
       
+    # Services
+    ./common/services/clean-home-manager.nix
+    
     # User configs
     ./users/${username}
 
@@ -35,16 +37,6 @@
     homeDirectory = "/home/${username}";
     sessionPath = [ "$HOME/.local/bin" ];
   };
-  
-  # Clean up all but the most recent 2 home-manager configs
-  services.cron = {
-    enable = true;
-    crontab = ''
-      # Cleanup all but last 5 home-manager generations weekly on Sunday at midnight
-      0 0 * * 0 home-manager generations | tail -n +3 | awk '{print $5}' | xargs -I {} home-manager remove-generations {}
-    '';
-  };
-
 
   nixpkgs = {
     overlays = [