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refs: add a generic 'optimize' API

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The existing `pack-refs` API is conceptually tied to the 'files'
backend, but its behavior is generic (e.g., it triggers compaction for
reftable). This naming is confusing.

Introduce a new generic refs_optimize() API that dispatches to a
backend-specific implementation via a new 'optimize' vtable method.

This lays the architectural groundwork for different reference backends
(like 'files' and 'reftable') to provide their own storage optimization
logic, which will be called from a single, generic entry point.

Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: shejialuo <shejialuo@gmail.com>
Signed-off-by: Meet Soni <meetsoni3017@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Meet Soni
2025-09-19 13:56:39 +05:30
committed by Junio C Hamano
parent f814da676a
commit 8dfe077fb6
3 changed files with 14 additions and 0 deletions
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3
refs/refs-internal.h
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@@ -447,6 +447,8 @@ typedef int ref_transaction_commit_fn(struct ref_store *refs,
typedef int pack_refs_fn(struct ref_store *ref_store,
struct pack_refs_opts *opts);
typedef int optimize_fn(struct ref_store *ref_store,
struct pack_refs_opts *opts);
typedef int rename_ref_fn(struct ref_store *ref_store,
const char *oldref, const char *newref,
const char *logmsg);
@@ -572,6 +574,7 @@ struct ref_storage_be {
ref_transaction_abort_fn *transaction_abort;
pack_refs_fn *pack_refs;
optimize_fn *optimize;
rename_ref_fn *rename_ref;
copy_ref_fn *copy_ref;