From e83b5379536f21dddc1c724a72ad60363641e865 Mon Sep 17 00:00:00 2001
From: Elec3137 <elec3137@proton.me>
Date: Tue, 3 Mar 2026 13:59:11 -0800
Subject: [PATCH] system: add tmpfs mountpoint "/home/tmp"

---
 system/default.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/system/default.nix b/system/default.nix
index ee003b7..a094fd8 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -60,10 +60,20 @@ in
     # consider disabling if you have very limited memory
     boot.tmp = lib.mkDefault {
       useTmpfs = true;
-      tmpfsSize = "70%";
       tmpfsHugeMemoryPages = "within_size";
     };
 
+    fileSystems."/home/tmp" = lib.mkDefault {
+      fsType = "tmpfs";
+
+      # inherit options created by boot.tmp.useTmpfs if avaliable
+      options =
+        let
+          tmpMount = lib.findFirst (mount: mount.where == "/tmp") null config.systemd.mounts;
+        in
+        lib.mkIf (tmpMount != null) (lib.splitStringBy (p: c: c == ",") false tmpMount.mountConfig.Options);
+    };
+
     # run fstrim monthly instead of weekly
     # weekly is unecessary for preventing long-term performance degredation
     # https://unix.stackexchange.com/questions/218076/ssd-how-often-should-i-do-fstrim