diff mbox series

[24/27] resolve-undo: ensure full index

Message ID 39e8bea0c1cadaf2a59760bea13025415569476f.1615929436.git.gitgitgadget@gmail.com (mailing list archive)
State Superseded
Headers show
Series Sparse Index: API protections | expand

Commit Message

Derrick Stolee March 16, 2021, 9:17 p.m. UTC
From: Derrick Stolee <dstolee@microsoft.com>

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>
---
 resolve-undo.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/resolve-undo.c b/resolve-undo.c
index 236320f179cb..3ccd3f66f80f 100644
--- a/resolve-undo.c
+++ b/resolve-undo.c
@@ -172,6 +172,7 @@  void unmerge_marked_index(struct index_state *istate)
 	if (!istate->resolve_undo)
 		return;
 
+	ensure_full_index(istate);
 	for (i = 0; i < istate->cache_nr; i++) {
 		const struct cache_entry *ce = istate->cache[i];
 		if (ce->ce_flags & CE_MATCHED)
@@ -186,6 +187,7 @@  void unmerge_index(struct index_state *istate, const struct pathspec *pathspec)
 	if (!istate->resolve_undo)
 		return;
 
+	ensure_full_index(istate);
 	for (i = 0; i < istate->cache_nr; i++) {
 		const struct cache_entry *ce = istate->cache[i];
 		if (!ce_path_match(istate, ce, pathspec, NULL))