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grep: ensure full index

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Before iterating over all cache entries, ensure that a sparse index is
expanded to a full one so we do not miss blobs to scan. Later, this can
integrate more carefully with sparse indexes with proper testing.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2021-04-01 01:49:48 +00:00 committed by Junio C Hamano
parent 2227ea175f
commit 46eb6e31ef
1 changed files with 2 additions and 0 deletions
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2
builtin/grep.c
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@ -504,6 +504,8 @@ static int grep_cache(struct grep_opt *opt,
if (repo_read_index(repo) < 0)
die(_("index file corrupt"));
/* TODO: audit for interaction with sparse-index. */
ensure_full_index(repo->index);
for (nr = 0; nr < repo->index->cache_nr; nr++) {
const struct cache_entry *ce = repo->index->cache[nr];