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midx: expose write_midx_file_only() publicly

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Expose a variant of the write_midx_file() function which ignores packs
that aren't included in an explicit "allow" list.

This will be used in an upcoming patch to power a new `--stdin-packs`
mode of `git multi-pack-index write` for callers that only want to
include certain packs in a MIDX (and ignore any packs which may have
happened to enter the repository independently, e.g., from pushes).

Those patches will provide test coverage for this new function.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau
2021-09-28 21:55:01 -04:00
committed by Junio C Hamano
parent 73cd7d9420
commit 56d863e979
2 changed files with 58 additions and 8 deletions
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9
midx.h
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@@ -2,6 +2,7 @@
#define MIDX_H
#include "repository.h"
#include "string-list.h"
struct object_id;
struct pack_entry;
@@ -62,6 +63,14 @@ int midx_contains_pack(struct multi_pack_index *m, const char *idx_or_pack_name)
int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
int write_midx_file(const char *object_dir, const char *preferred_pack_name, unsigned flags);
/*
* Variant of write_midx_file which writes a MIDX containing only the packs
* specified in packs_to_include.
*/
int write_midx_file_only(const char *object_dir,
struct string_list *packs_to_include,
const char *preferred_pack_name,
unsigned flags);
void clear_midx_file(struct repository *r);
int verify_midx_file(struct repository *r, const char *object_dir, unsigned flags);
int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags);