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refs: deduplicate code to delete references

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Both the files and the packed-refs reference backends now use the same
generic transactions-based code to delete references. Let's pull these
implementations up into `refs_delete_refs()` to deduplicate the code.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2023-11-14 09:58:46 +01:00
committed by Junio C Hamano
parent e85e5dd78a
commit d6f8e72982
3 changed files with 47 additions and 92 deletions
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48
refs.c
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@ -2599,13 +2599,55 @@ void ref_transaction_for_each_queued_update(struct ref_transaction *transaction,
int refs_delete_refs(struct ref_store *refs, const char *logmsg,
struct string_list *refnames, unsigned int flags)
{
struct ref_transaction *transaction;
struct strbuf err = STRBUF_INIT;
struct string_list_item *item;
int ret = 0, failures = 0;
char *msg;
int retval;
if (!refnames->nr)
return 0;
msg = normalize_reflog_message(logmsg);
retval = refs->be->delete_refs(refs, msg, refnames, flags);
/*
* Since we don't check the references' old_oids, the
* individual updates can't fail, so we can pack all of the
* updates into a single transaction.
*/
transaction = ref_store_transaction_begin(refs, &err);
if (!transaction) {
ret = error("%s", err.buf);
goto out;
}
for_each_string_list_item(item, refnames) {
ret = ref_transaction_delete(transaction, item->string,
NULL, flags, msg, &err);
if (ret) {
warning(_("could not delete reference %s: %s"),
item->string, err.buf);
strbuf_reset(&err);
failures = 1;
}
}
ret = ref_transaction_commit(transaction, &err);
if (ret) {
if (refnames->nr == 1)
error(_("could not delete reference %s: %s"),
refnames->items[0].string, err.buf);
else
error(_("could not delete references: %s"), err.buf);
}
out:
if (!ret && failures)
ret = -1;
ref_transaction_free(transaction);
strbuf_release(&err);
free(msg);
return retval;
return ret;
}
int delete_refs(const char *msg, struct string_list *refnames,