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refs.c: add a strbuf argument to ref_transaction_commit for error logging

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Add a strbuf argument to _commit so that we can pass an error string back to
the caller. So that we can do error logging from the caller instead of from
_commit.

Longer term plan is to first convert all callers to use onerr==QUIET_ON_ERR
and craft any log messages from the callers themselves and finally remove the
onerr argument completely.

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: Michael Haggerty <mhagger@alum.mit.edu>
This commit is contained in:
Ronnie Sahlberg
2014-06-20 07:42:46 -07:00
committed by Junio C Hamano
parent 1b07255c95
commit 995f8746bc
3 changed files with 10 additions and 3 deletions
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5
refs.h
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@ -269,9 +269,12 @@ void ref_transaction_delete(struct ref_transaction *transaction,
* Commit all of the changes that have been queued in transaction, as
* atomically as possible. Return a nonzero value if there is a
* problem.
* If err is non-NULL we will add an error string to it to explain why
* the transaction failed. The string does not end in newline.
*/
int ref_transaction_commit(struct ref_transaction *transaction,
const char *msg, enum action_on_err onerr);
const char *msg, struct strbuf *err,
enum action_on_err onerr);
/*
* Free an existing transaction and all associated data.