From f1b915373750f7bdc09cbdaa011d0f49efea6cc8 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sat, 12 Mar 2022 20:55:33 +0100
Subject: rebuild-machines: period

---
 system-profiles/networkmanager.nix           |  2 ++
 system-profiles/rebuild-machines/default.nix | 29 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

(limited to 'system-profiles')

diff --git a/system-profiles/networkmanager.nix b/system-profiles/networkmanager.nix
index d1eb9cd1..878a12c4 100644
--- a/system-profiles/networkmanager.nix
+++ b/system-profiles/networkmanager.nix
@@ -22,5 +22,7 @@ with lib;
     systemd.services."systemd-networkd-wait-online".enable = false;
 
     services.resolved.enable = false;
+
+    environment.noXlibs = false;
   };
 }
diff --git a/system-profiles/rebuild-machines/default.nix b/system-profiles/rebuild-machines/default.nix
index e2a15aae..68788023 100644
--- a/system-profiles/rebuild-machines/default.nix
+++ b/system-profiles/rebuild-machines/default.nix
@@ -90,6 +90,13 @@ in {
           format = "binary";
         };
       };
+
+      period = mkOption {
+        type = types.nullOr types.str;
+        description = "Call <code>rebuild-${hostName} boot</code> periodically";
+        default = null;
+        example = "hourly";
+      };
     };
   };
   
@@ -107,5 +114,27 @@ in {
     };
 
     environment.systemPackages = [ rebuildScript ];
+
+    systemd.services."rebuild-${hostName}" = lib.mkIf (cfg.period != null) {
+      description = "Upgrade System on Next Boot";
+      requisite = [ "network.target" ];
+      after = [ "network.target" ];
+
+      restartIfChanged = false;
+      unitConfig.X-StopOnRemoval = false;
+
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = "${rebuildScript}/bin/${cfg.scriptName} boot";
+      };
+    };
+
+    systemd.timers."rebuild-${hostName}" = lib.mkIf (cfg.period != null) {
+      wantedBy = [ "timers.target" ];
+      timerConfig = {
+        OnCalendar = cfg.period;
+        Persistent = true;
+      };
+    };
   };
 }
-- 
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