From 914cf17f23774e604bd8f31949ce379f3108ba4b Mon Sep 17 00:00:00 2001
From: udo <udo@openfu.com>
Date: Fri, 17 Jul 2026 22:06:17 +0000
Subject: [PATCH] Skip canonicalization for recent source entries

---
 src/lib/compiler.cpp | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/src/lib/compiler.cpp b/src/lib/compiler.cpp
index 8f41199..2b99d10 100644
--- a/src/lib/compiler.cpp
+++ b/src/lib/compiler.cpp
@@ -64,6 +64,18 @@ const u64 UCE_UNIT_SOURCE_SIGNATURE_CACHE_MAX = 4096;
 std::mutex unit_source_signature_cache_mutex;
 std::map<String, UnitSourceSignatureEntry> unit_source_signature_cache;
 
+bool compiler_recent_unit_source_entry(String file_name, UnitSourceSignatureEntry& entry)
+{
+	auto checked_at = std::chrono::steady_clock::now();
+	std::lock_guard<std::mutex> lock(unit_source_signature_cache_mutex);
+	auto cached = unit_source_signature_cache.find(file_name);
+	if(cached == unit_source_signature_cache.end() ||
+		std::chrono::duration_cast<std::chrono::milliseconds>(checked_at - cached->second.checked_at).count() >= 1000)
+		return(false);
+	entry = cached->second;
+	return(true);
+}
+
 bool compiler_jit_compile_on_request_enabled(Request* context)
 {
 	if(!context || !context->server)
@@ -151,11 +163,9 @@ UnitSourceSignatureEntry compiler_unit_source_entry(String file_name, bool allow
 	auto checked_at = std::chrono::steady_clock::now();
 	if(allow_recent_stat)
 	{
-		std::lock_guard<std::mutex> lock(unit_source_signature_cache_mutex);
-		auto cached = unit_source_signature_cache.find(file_name);
-		if(cached != unit_source_signature_cache.end() &&
-			std::chrono::duration_cast<std::chrono::milliseconds>(checked_at - cached->second.checked_at).count() < 1000)
-			return(cached->second);
+		UnitSourceSignatureEntry cached;
+		if(compiler_recent_unit_source_entry(file_name, cached))
+			return(cached);
 	}
 	struct stat info;
 	UnitSourceSignatureEntry entry;
@@ -189,14 +199,21 @@ UnitSourceSignatureEntry compiler_unit_source_entry(String file_name, bool allow
 
 void compiler_append_unit_source_signature(String file_name, std::set<String>& visited, String& signature, bool allow_recent_stat)
 {
-	String normalized = path_real(file_name);
-	if(normalized == "")
-		normalized = file_name;
+	String normalized = file_name;
+	UnitSourceSignatureEntry entry;
+	bool recent = allow_recent_stat && compiler_recent_unit_source_entry(normalized, entry);
+	if(!recent)
+	{
+		normalized = path_real(file_name);
+		if(normalized == "")
+			normalized = file_name;
+	}
 	if(visited.find(normalized) != visited.end())
 		return;
 	visited.insert(normalized);
 
-	UnitSourceSignatureEntry entry = compiler_unit_source_entry(normalized, allow_recent_stat);
+	if(!recent)
+		entry = compiler_unit_source_entry(normalized, allow_recent_stat);
 	signature += normalized + ":" + entry.content_hash + (entry.readable ? String("") : String(":unreadable")) + "\n";
 	for(String loaded : entry.loaded_paths)
 		compiler_append_unit_source_signature(loaded, visited, signature, allow_recent_stat);