From dc9251000e78e6382b17616aed6193462c574536 Mon Sep 17 00:00:00 2001
From: Malte Tammena <malte.tammena@pm.me>
Date: Sat, 3 Feb 2024 21:02:24 +0100
Subject: [PATCH] feat(users): cleanup old home-manager profiles

---
 users/deck/home.nix                |  3 +++
 users/malte/home.nix               |  3 +++
 users/marie/home.nix               |  7 +++++-
 users/modules/profiles-cleanup.nix | 38 ++++++++++++++++++++++++++++++
 4 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 users/modules/profiles-cleanup.nix

diff --git a/users/deck/home.nix b/users/deck/home.nix
index ac0fc34..be24d69 100644
--- a/users/deck/home.nix
+++ b/users/deck/home.nix
@@ -29,6 +29,7 @@ in {
   imports = [
     ../modules/boilr.nix
     ../modules/restic-backup.nix
+    ../modules/profiles-cleanup.nix
   ];
 
   config = {
@@ -48,6 +49,8 @@ in {
       };
     };
 
+    xdg.enable = true;
+
     # Make sure firefox is my default browser
     programs.firefox.enable = true;
 
diff --git a/users/malte/home.nix b/users/malte/home.nix
index 01b562a..f453866 100644
--- a/users/malte/home.nix
+++ b/users/malte/home.nix
@@ -118,6 +118,7 @@ in {
     ./nb.nix
     ../modules/restic-backup.nix
     ../modules/colors.nix
+    ../modules/profiles-cleanup.nix
   ];
 
   config = {
@@ -208,6 +209,8 @@ in {
       };
     };
 
+    xdg.enable = true;
+
     # Make sure firefox is my default browser
     programs.firefox.enable = true;
 
diff --git a/users/marie/home.nix b/users/marie/home.nix
index 0ecafc9..967e537 100644
--- a/users/marie/home.nix
+++ b/users/marie/home.nix
@@ -18,7 +18,10 @@
       ];
   }));
 in {
-  imports = [../modules/restic-backup.nix];
+  imports = [
+    ../modules/restic-backup.nix
+    ../modules/profiles-cleanup.nix
+  ];
 
   config = {
     home.packages = with pkgs; [
@@ -46,6 +49,8 @@ in {
     programs.broot.enable = true;
     programs.fish.enable = true;
 
+    xdg.enable = true;
+
     services.restic = {
       enable = true;
       paths = ["/home/marie/Uni" "/home/marie/Bilder" "/home/marie/Promotion"];
diff --git a/users/modules/profiles-cleanup.nix b/users/modules/profiles-cleanup.nix
new file mode 100644
index 0000000..ea801e7
--- /dev/null
+++ b/users/modules/profiles-cleanup.nix
@@ -0,0 +1,38 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: {
+  # This is a fix for https://github.com/nix-community/home-manager/issues/4672
+  systemd.user = {
+    services = {
+      home-manager-profiles-cleanup = {
+        Unit.Description = "Clean up HM user profiles.";
+
+        Service = {
+          Type = "oneshot";
+          ExecStart = lib.getExe (pkgs.writeShellApplication {
+            name = "home-manager-profiles-cleanup-start-script";
+            text = ''
+              ${lib.getExe config.nix.package} profile wipe-history \
+                --profile "${config.xdg.stateHome}/nix/profiles/home-manager" \
+                --older-than '30d'
+            '';
+          });
+        };
+      };
+    };
+
+    timers.home-manager-profiles-cleanup = {
+      Unit.Description = "Clean up HM user profiles.";
+
+      Timer = {
+        OnCalendar = "weekly";
+        Persistent = true;
+      };
+
+      Install.WantedBy = ["timers.target"];
+    };
+  };
+}