From 82f5d828c20436c2d3d150d782a326c3e0326c0e Mon Sep 17 00:00:00 2001
From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Date: Tue, 21 Nov 2023 23:56:55 +0100
Subject: [PATCH] Use tmpfs in /tmp

The /tmp directory was using the SSD disk which is not erased across
boots. Nix will use /tmp to perform the builds, so we want it to be as
fast as possible. In general, all the machines have enough space to
handle large builds like LLVM.

Reviewed-by: Aleix Roca Nonell <aleix.rocanonell@bsc.es>
---
 m/common/fs.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/m/common/fs.nix b/m/common/fs.nix
index 10339d0..c6fea28 100644
--- a/m/common/fs.nix
+++ b/m/common/fs.nix
@@ -25,4 +25,7 @@
     device = "none";
     fsType = "tracefs";
   };
+
+  # Mount a tmpfs into /tmp
+  boot.tmp.useTmpfs = true;
 }