From 54beed24d22867a98fc247e1031e3486573f1553 Mon Sep 17 00:00:00 2001
From: Derrick Stolee <dstolee@microsoft.com>
Date: Thu, 1 Apr 2021 01:49:42 +0000
Subject: [PATCH] add: ensure full index

Before iterating over all cache entries, ensure that a sparse index is
expanded to a full index to avoid unexpected behavior.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 builtin/add.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/builtin/add.c b/builtin/add.c
index ea762a41e3..afccf2fd55 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -141,6 +141,8 @@ static int renormalize_tracked_files(const struct pathspec *pathspec, int flags)
 {
 	int i, retval = 0;
 
+	/* TODO: audit for interaction with sparse-index. */
+	ensure_full_index(&the_index);
 	for (i = 0; i < active_nr; i++) {
 		struct cache_entry *ce = active_cache[i];