From cd998f9de9f74f1b753d3b07e5c41b4aa52f6fc6 Mon Sep 17 00:00:00 2001
From: Jared Baur <jaredbaur@fastmail.com>
Date: Mon, 19 Aug 2024 14:55:55 -0700
Subject: [PATCH] nixos/qemu-vm: suppress mkfs.erofs output

The mkfs.erofs utility has a lot of output by default that slows down
running tests. We don't need to capture any of the output from
mkfs.erofs, so we can suppress it.
---
 nixos/modules/virtualisation/qemu-vm.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nixos/modules/virtualisation/qemu-vm.nix b/nixos/modules/virtualisation/qemu-vm.nix
index 10f69f3a744a..a1aed8c4e917 100644
--- a/nixos/modules/virtualisation/qemu-vm.nix
+++ b/nixos/modules/virtualisation/qemu-vm.nix
@@ -143,6 +143,7 @@ let
           --transform 'flags=rSh;s|/nix/store/||' \
           --files-from ${hostPkgs.closureInfo { rootPaths = [ config.system.build.toplevel regInfo ]; }}/store-paths \
           | ${hostPkgs.erofs-utils}/bin/mkfs.erofs \
+            --quiet \
             --force-uid=0 \
             --force-gid=0 \
             -L ${nixStoreFilesystemLabel} \