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reftable/stack: open-code reading refs

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To read a reference for the reftable stack, we first create a generic
`reftable_table` from the merged table and then read the reference via a
convenience function. We are about to remove these generic interfaces,
so let's instead open-code the logic to prepare for this removal.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-08-22 08:34:48 +02:00
committed by Junio C Hamano
parent b8ca235ca5
commit aef8602653
1 changed files with 22 additions and 3 deletions
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25
reftable/stack.c
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@ -1468,9 +1468,28 @@ reftable_stack_compaction_stats(struct reftable_stack *st)
int reftable_stack_read_ref(struct reftable_stack *st, const char *refname,
struct reftable_ref_record *ref)
{
struct reftable_table tab = { NULL };
reftable_table_from_merged_table(&tab, reftable_stack_merged_table(st));
return reftable_table_read_ref(&tab, refname, ref);
struct reftable_iterator it = { 0 };
int ret;
reftable_merged_table_init_ref_iterator(st->merged, &it);
ret = reftable_iterator_seek_ref(&it, refname);
if (ret)
goto out;
ret = reftable_iterator_next_ref(&it, ref);
if (ret)
goto out;
if (strcmp(ref->refname, refname) ||
reftable_ref_record_is_deletion(ref)) {
reftable_ref_record_release(ref);
ret = 1;
goto out;
}
out:
reftable_iterator_destroy(&it);
return ret;
}
int reftable_stack_read_log(struct reftable_stack *st, const char *refname,