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repository: drop the_index variable

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All users of `the_index` have been converted to use either a custom
`struct index_state *` or the index provided by `the_repository`. We can
thus drop the globally-accessible declaration of this variable. In fact,
we can go further than that and drop `the_index` completely now and have
it be allocated dynamically in `initialize_repository()` as all the
other data structures in it are.

This concludes the quest to make Git `the_index` free, which has started
with 4aab5b46f4 (Make read-cache.c "the_index" free., 2007-04-01).

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-04-18 14:14:29 +02:00
committed by Junio C Hamano
parent 9ee6d63bab
commit 19fa8cd48c
2 changed files with 6 additions and 22 deletions
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3
repository.h
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@ -187,9 +187,6 @@ struct repository {
};
extern struct repository *the_repository;
#ifdef USE_THE_INDEX_VARIABLE
extern struct index_state the_index;
#endif
/*
* Define a custom repository layout. Any field can be NULL, which