From 280b10c2142680456ea28b8a370523e6bcee3106 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=E2=80=9CNiols=E2=80=9D=20Jeannerod?=
 <nicolas.jeannerod@moduscreate.com>
Date: Fri, 21 Feb 2025 11:16:21 +0100
Subject: [PATCH] Report Nix build errors nicely

---
 infra/proxmox-provision.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/infra/proxmox-provision.sh b/infra/proxmox-provision.sh
index 9d59cc76..9972b15b 100755
--- a/infra/proxmox-provision.sh
+++ b/infra/proxmox-provision.sh
@@ -202,6 +202,12 @@ build_iso () {
     --log-format raw --quiet \
     --out-link "$tmpdir/installer-$2"
 
+  if [ $? -ne 0 ]; then
+    die 'Something went wrong when building ISO for VM %s.
+Check the Nix logs and fix things. Possibly there just is no NixOS configuration by that name?' \
+      "$2"
+  fi
+
   ln -sf "$tmpdir/installer-$2/iso/installer.iso" "$tmpdir/installer-$2.iso"
 
   printf 'done building ISO for VM %s.\n' "$2"