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refs/reftable: refactor reflog expiry to use reftable backend

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Refactor the callback function that expires reflog entries in the
reftable backend to use `reftable_backend_read_ref()` instead of
accessing the reftable stack directly. This ensures that the function
will benefit from the new caching layer that we're about to introduce.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-11-26 07:42:58 +01:00
committed by Junio C Hamano
parent ad6c41f4b7
commit 96e7cb83b6
1 changed files with 5 additions and 8 deletions
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13
refs/reftable-backend.c
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@ -2444,14 +2444,15 @@ static int reftable_be_reflog_expire(struct ref_store *ref_store,
reftable_be_downcast(ref_store, REF_STORE_WRITE, "reflog_expire");
struct reftable_log_record *logs = NULL;
struct reftable_log_record *rewritten = NULL;
struct reftable_ref_record ref_record = {0};
struct reftable_iterator it = {0};
struct reftable_addition *add = NULL;
struct reflog_expiry_arg arg = {0};
struct reftable_backend *be;
struct object_id oid = {0};
struct strbuf referent = STRBUF_INIT;
uint8_t *last_hash = NULL;
size_t logs_nr = 0, logs_alloc = 0, i;
unsigned int type = 0;
int ret;
if (refs->err < 0)
@ -2473,12 +2474,9 @@ static int reftable_be_reflog_expire(struct ref_store *ref_store,
if (ret < 0)
goto done;
ret = reftable_stack_read_ref(be->stack, refname, &ref_record);
ret = reftable_backend_read_ref(be, refname, &oid, &referent, &type);
if (ret < 0)
goto done;
if (reftable_ref_record_val1(&ref_record))
oidread(&oid, reftable_ref_record_val1(&ref_record),
ref_store->repo->hash_algo);
prepare_fn(refname, &oid, policy_cb_data);
while (1) {
@ -2545,8 +2543,7 @@ static int reftable_be_reflog_expire(struct ref_store *ref_store,
}
}
if (flags & EXPIRE_REFLOGS_UPDATE_REF && last_hash &&
reftable_ref_record_val1(&ref_record))
if (flags & EXPIRE_REFLOGS_UPDATE_REF && last_hash && !is_null_oid(&oid))
oidread(&arg.update_oid, last_hash, ref_store->repo->hash_algo);
arg.refs = refs;
@ -2571,11 +2568,11 @@ done:
cleanup_fn(policy_cb_data);
assert(ret != REFTABLE_API_ERROR);
reftable_ref_record_release(&ref_record);
reftable_iterator_destroy(&it);
reftable_addition_destroy(add);
for (i = 0; i < logs_nr; i++)
reftable_log_record_release(&logs[i]);
strbuf_release(&referent);
free(logs);
free(rewritten);
return ret;