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packfile: split up responsibilities of reprepare_packed_git()

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In `reprepare_packed_git()` we perform a couple of operations:

  - We reload alternate object directories.

  - We clear the loose object cache.

  - We reprepare packfiles.

While the logic is hosted in "packfile.c", it clearly reaches into other
subsystems that aren't related to packfiles.

Split up the responsibility and introduce `odb_reprepare()` which now
becomes responsible for repreparing the whole object database. The
existing `reprepare_packed_git()` function is refactored accordingly and
only cares about reloading the packfile store now.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2025-09-23 12:17:08 +02:00
committed by Junio C Hamano
parent c36ecc0685
commit 78237ea53d
13 changed files with 55 additions and 35 deletions
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9
packfile.h
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@@ -112,6 +112,14 @@ void packfile_store_free(struct packfile_store *store);
*/
void packfile_store_close(struct packfile_store *store);
/*
* Clear the packfile caches and try to look up any new packfiles that have
* appeared since last preparing the packfiles store.
*
* This function must be called under the `odb_read_lock()`.
*/
void packfile_store_reprepare(struct packfile_store *store);
struct pack_window {
struct pack_window *next;
unsigned char *base;
@@ -188,7 +196,6 @@ int for_each_packed_object(struct repository *repo, each_packed_object_fn cb,
#define PACKDIR_FILE_GARBAGE 4
extern void (*report_garbage)(unsigned seen_bits, const char *path);
void reprepare_packed_git(struct repository *r);
void install_packed_git(struct repository *r, struct packed_git *pack);
struct packed_git *get_packed_git(struct repository *r);