Treat text blobs with stray nuls as binary

1 file changed, 4 insertions, 1 deletion

diff --git a/source/ui-tree.c b/source/ui-tree.c
index 7d24d53..7df7375 100644
--- a/source/ui-tree.c
+++ b/source/ui-tree.c
@@ -191,7 +191,10 @@ static bool print_object(const struct object_id *oid, const char *path,
 			"Error reading object %s", oid_to_hex(oid));
 		return false;
 	}
-	is_binary = buffer_is_binary(buf, size);
+	// buffer_is_binary only sniffs the front of the blob, and a NUL past
+	// that window would end the escaped text render early while the line
+	// number column still counts the whole file, so check the rest too.
+	is_binary = buffer_is_binary(buf, size) || memchr(buf, 0, size);
 
 	cgit_set_title_from_path(path);