nix fmt ci yml

.forgejo/workflows/build.yaml

@@ -3,7 +3,7 @@ name: build
 on:
   pull_request: {}
   push:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   build:

.forgejo/workflows/flake-update.yaml

@@ -2,11 +2,11 @@ name: flake update
 
 on:
   schedule:
-    - cron: '0 3 * * *'
+    - cron: "0 3 * * *"
   workflow_dispatch:
     inputs:
       target:
-        description: 'Inputs to update'
+        description: "Inputs to update"
         type: choice
         default: all
         options:

nixosConfigurations/muede-lpt2/containers.nix

@@ -1,4 +1,9 @@
-{ self, ... }:
+{
+  config,
+  lib,
+  ...
+}:
+
 {
   config = {
     boot.enableContainers = true;
@@ -22,13 +27,25 @@
     #   };
     # };
 
-    # # Global DefaultTimeoutStopSec is 10s (modern-desktop.nix), which kills systemd-nspawn
-    # # before it finishes halting, leaving cgroups busy and breaking restarts.
-    # systemd.services."container@damocles".serviceConfig = {
-    #   TimeoutStopSec = "60s";
-    #   # After a SIGKILL of nspawn, the kernel needs a moment to reap its cgroups.
-    #   # Without this, the immediate restart attempt fails with "Device or resource busy".
-    #   RestartSec = "5s";
-    # };
+    # Global DefaultTimeoutStopSec is 10s (modern-desktop.nix), which kills systemd-nspawn
+    # before it finishes halting, leaving cgroups busy and breaking restarts.
+    systemd.services =
+      let
+        # The imperative template plus every declarative container: nixos-containers
+        # generates each one as its own unit, so an override on "container@" alone
+        # would not reach them.
+        containerUnits = [
+          "container@"
+        ]
+        ++ map (name: "container@${name}") (lib.attrNames config.containers);
+      in
+      lib.genAttrs containerUnits (_: {
+        serviceConfig = {
+          TimeoutStopSec = "2min";
+          # After a SIGKILL of nspawn, the kernel needs a moment to reap its cgroups.
+          # Without this, the immediate restart attempt fails with "Device or resource busy".
+          RestartSec = "5s";
+        };
+      });
   };
 }

nixosConfigurations/muede-lpt2/default.nix

@@ -29,6 +29,13 @@
         "i686-linux"
       ];
 
+      # Global default (nixosModules/distributed-builds.nix) is MemoryMax=90%,
+      # which isn't tight enough on this machine's 31GiB to avoid OOM.
+      systemd.services.nix-daemon.serviceConfig = {
+        MemoryHigh = "60%";
+        MemoryMax = lib.mkForce "80%";
+      };
+
       services.xserver.xkb = {
         # Configure keymap in X11
         layout = "de";