From 6fb59b3291a63445499f81b609171db0db0d90ee Mon Sep 17 00:00:00 2001
From: Bryce Kwon <bryce@brycekwon.com>
Date: Sun, 1 Nov 2026 11:29:40 -1000
Subject: Dump only the first 64 KB of a binary file

---
 tests/t0104-tree.sh | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'tests')

diff --git a/tests/t0104-tree.sh b/tests/t0104-tree.sh
index 9d6e542..490abb3 100755
--- a/tests/t0104-tree.sh
+++ b/tests/t0104-tree.sh
@@ -245,7 +245,24 @@ test_expect_success 'a binary file in the tree shows as a hex dump' '
 	cgitrc_repo binrc bin &&
 	cgit_rc binrc "url=bin/tree/blob.bin" >tmp &&
 	grep "<table class=.bin-blob.>" tmp &&
-	grep "<td class=.right.>0000</td><td class=.hex.> 00 01 02 62 69 6e" tmp
+	grep "<td class=.right.>0000</td><td class=.hex.> 00 01 02 62 69 6e" tmp &&
+	! grep "class=.truncated." tmp
+'
+
+# Each byte of the dump costs several bytes of markup, so a large binary is
+# dumped up to its first 64 KB and links to the whole file.
+test_expect_success 'a large binary is dumped only in part' '
+	(
+		cd repos/bin &&
+		printf "\\000" >big.bin &&
+		test_seq 1 20000 >>big.bin &&
+		git add big.bin &&
+		git commit -m "large binary"
+	) &&
+	cgit_rc binrc "url=bin/tree/big.bin" >tmp &&
+	grep "<td class=.right.>ffe0</td>" tmp &&
+	! grep "<td class=.right.>10000</td>" tmp &&
+	grep "<div class=.truncated.>Only the first 64 KB of this file are shown. <a href=./bin/plain/big.bin.>View the whole file</a>.</div>" tmp
 '
 
 test_done
-- 
cgit 2.12.1