From 1034ba5cfeb7910daba034160e97f7ff34122236 Mon Sep 17 00:00:00 2001
From: Peter Hill <peter.hill@york.ac.uk>
Date: Tue, 6 Jan 2026 14:27:02 +0000
Subject: [PATCH 1/2] Switch use of `fmt` header

Technically `base.h` is sufficient, but this causes backwards compatibility
issues, and the compilation penalty is minor.
---
 src/sys/output.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sys/output.cxx b/src/sys/output.cxx
index 2c5e06bb7c..0a9bb5f4c4 100644
--- a/src/sys/output.cxx
+++ b/src/sys/output.cxx
@@ -26,7 +26,7 @@
 #include <bout/assert.hxx>
 #include <bout/output.hxx>
 
-#include <fmt/base.h>
+#include <fmt/format.h>         // NOLINT(misc-include-cleaner)
 
 #include <iostream>
 #include <string>

From 489cde624f9ae93e31fffd6ab99de9a39735ce50 Mon Sep 17 00:00:00 2001
From: ZedThree <1486942+ZedThree@users.noreply.github.com>
Date: Tue, 6 Jan 2026 17:19:07 +0000
Subject: [PATCH 2/2] Apply clang-format changes

---
 src/sys/output.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sys/output.cxx b/src/sys/output.cxx
index 0a9bb5f4c4..97b58edec7 100644
--- a/src/sys/output.cxx
+++ b/src/sys/output.cxx
@@ -26,7 +26,7 @@
 #include <bout/assert.hxx>
 #include <bout/output.hxx>
 
-#include <fmt/format.h>         // NOLINT(misc-include-cleaner)
+#include <fmt/format.h> // NOLINT(misc-include-cleaner)
 
 #include <iostream>
 #include <string>