From 90fa406e4888c8cda2df14a96b5120ce953e4265 Mon Sep 17 00:00:00 2001
From: Kalle Struik <kalle@kallestruik.nl>
Date: Fri, 22 Nov 2024 20:55:14 +0100
Subject: [PATCH] Add systemd repart to grow root partition on boot

---
 systems/base/configuration.nix | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/systems/base/configuration.nix b/systems/base/configuration.nix
index 5054362..549f790 100644
--- a/systems/base/configuration.nix
+++ b/systems/base/configuration.nix
@@ -21,7 +21,6 @@
     services.qemuGuest.enable = lib.mkDefault true;
 
     boot.loader.systemd-boot.enable = true;
-    boot.growPartition = lib.mkDefault true;
 
     # Allow remote updates with flakes and non-root users
     nix.settings.trusted-users = [
@@ -98,6 +97,22 @@
       };
     };
 
+    # Resize partition on boot
+    boot.initrd.systemd.enable = true;
+    boot.initrd.systemd.repart.enable = true;
+    systemd.repart.partitions = {
+      "00-esp" = {
+        Type = "esp";
+        SizeMinBytes = "550M";
+        SizeMaxBytes = "550M";
+        Format = "vfat";
+      };
+      "10-root" = {
+        Type = "root";
+        Format = "btrfs";
+      };
+    };
+
     system.stateVersion = lib.mkDefault "24.05";
   };
 }