From cc09ff7ca90af54a8cb2828559a5b4b30b538f3e Mon Sep 17 00:00:00 2001
From: Bryce Kwon <bryce@brycekwon.com>
Date: Fri, 30 Oct 2026 00:47:14 -0700
Subject: Free the log's tip when its walk fails

The normal end also left the walk arguments allocated.
---
 tests/t0103-log.sh | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'tests')

diff --git a/tests/t0103-log.sh b/tests/t0103-log.sh
index 4306d8c..98b4e0b 100755
--- a/tests/t0103-log.sh
+++ b/tests/t0103-log.sh
@@ -132,4 +132,23 @@ test_expect_success 'a search for brackets matches them literally' '
 	grep "fix \\[brackets\\] in docs" tmp
 '
 
+# A range is walked in full before the first row, so a missing parent fails
+# the walk while the page can still answer with an error of its own.
+test_expect_success 'a walk that cannot start answers one error page' '
+	git clone -q repos/foo gap &&
+	old=$(git -C gap rev-parse HEAD~4) &&
+	parent=$(git -C gap rev-parse HEAD~2) &&
+	rm gap/.git/objects/$(echo $parent | cut -c1-2)/$(echo $parent | cut -c3-) &&
+	{
+		echo "virtual-root=/" &&
+		echo "cache-size=0" &&
+		echo "repo.url=gap" &&
+		echo "repo.path=$PWD/gap/.git"
+	} >gaprc &&
+	CGIT_CONFIG="$PWD/gaprc" QUERY_STRING="url=gap/log/&qt=range&q=$old..master" cgit >tmp 2>err &&
+	test $(grep -c "^Status:" tmp) = 1 &&
+	grep "^Status: 500" tmp &&
+	grep "Unable to read the history" tmp
+'
+
 test_done
-- 
cgit 2.12.1