From 1e319bbf6295959b4be960127fe7ba62350b1ad1 Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Sat, 20 Jan 2024 20:52:31 +0100
Subject: [PATCH] feat(logger): special case logging to cerr, mostly for
 Windows terminal

---
 src/dwarfs/logger.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/dwarfs/logger.cpp b/src/dwarfs/logger.cpp
index f1db0c90..fdfaba0a 100644
--- a/src/dwarfs/logger.cpp
+++ b/src/dwarfs/logger.cpp
@@ -116,8 +116,11 @@ void stream_logger::postamble(std::ostream&) {}
 std::string_view stream_logger::get_newline() const { return "\n"; }
 
 void stream_logger::write_nolock(std::string_view output) {
-  // TODO
-  os_ << output;
+  if (&os_ == &std::cerr) {
+    fmt::print(stderr, "{}", output);
+  } else {
+    os_ << output;
+  }
 }
 
 void stream_logger::write(level_type level, const std::string& output,