From: Ronnie Sahlberg <sahlberg@google.com>
To: git@vger.kernel.org
Cc: mhagger@alum.mit.edu, Ronnie Sahlberg <sahlberg@google.com>
Subject: [PATCH v5 17/30] refs.c: change update_ref to use a transaction
Date: Tue, 29 Apr 2014 15:19:02 -0700 [thread overview]
Message-ID: <1398809955-32008-18-git-send-email-sahlberg@google.com> (raw)
In-Reply-To: <1398809955-32008-1-git-send-email-sahlberg@google.com>
Change the update_ref helper function to use a ref transaction internally.
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
refs.c | 25 +++++++++++++++++++++----
1 file changed, 21 insertions(+), 4 deletions(-)
diff --git a/refs.c b/refs.c
index 0a4e28e..563f336 100644
--- a/refs.c
+++ b/refs.c
@@ -3396,11 +3396,28 @@ int update_ref(const char *action, const char *refname,
const unsigned char *sha1, const unsigned char *oldval,
int flags, enum action_on_err onerr)
{
- struct ref_lock *lock;
- lock = update_ref_lock(refname, oldval, flags, NULL, onerr);
- if (!lock)
+ struct ref_transaction *t;
+ struct strbuf err = STRBUF_INIT;
+
+ t = ref_transaction_begin();
+ if ((!t ||
+ ref_transaction_update(t, refname, sha1, oldval, flags,
+ !!oldval)) ||
+ (ref_transaction_commit(t, action, &err) && !(t = NULL))) {
+ const char *str = "update_ref failed for ref '%s': %s";
+
+ ref_transaction_rollback(t);
+ switch (onerr) {
+ case UPDATE_REFS_MSG_ON_ERR:
+ error(str, refname, err.buf); break;
+ case UPDATE_REFS_DIE_ON_ERR:
+ die(str, refname, err.buf); break;
+ case UPDATE_REFS_QUIET_ON_ERR: break;
+ }
+ strbuf_release(&err);
return 1;
- return update_ref_write(action, refname, sha1, lock, NULL, onerr);
+ }
+ return 0;
}
static int ref_update_compare(const void *r1, const void *r2)
--
1.9.1.532.gf8485a6
next prev parent reply other threads:[~2014-04-29 22:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-29 22:18 [PATCH v5 00/30] Use ref transactions for all ref updates Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 01/30] refs.c: constify the sha arguments for ref_transaction_create|delete|update Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 02/30] refs.c: allow passing NULL to ref_transaction_free Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 03/30] refs.c: add a strbuf argument to ref_transaction_commit for error logging Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 04/30] refs.c: make ref_update_reject_duplicates take a strbuf argument for errors Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 05/30] update-ref.c: log transaction error from the update_ref Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 06/30] refs.c: make update_ref_write update a strbuf on failure Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 07/30] refs.c: remove the onerr argument to ref_transaction_commit Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 08/30] refs.c: change ref_transaction_update() to do error checking and return status Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 09/30] refs.c: change ref_transaction_create " Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 10/30] refs.c: ref_transaction_delete to check for error " Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 11/30] tag.c: use ref transactions when doing updates Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 12/30] replace.c: use the ref transaction functions for updates Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 13/30] commit.c: use ref transactions " Ronnie Sahlberg
2014-04-29 22:18 ` [PATCH v5 14/30] sequencer.c: use ref transactions for all ref updates Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 15/30] fast-import.c: change update_branch to use ref transactions Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 16/30] branch.c: use ref transaction for all ref updates Ronnie Sahlberg
2014-04-29 22:19 ` Ronnie Sahlberg [this message]
2014-04-29 22:19 ` [PATCH v5 18/30] refs.c: free the transaction before returning when number of updates is 0 Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 19/30] refs.c: ref_transaction_commit should not free the transaction Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 20/30] fetch.c: clear errno before calling functions that might set it Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 21/30] fetch.c: change s_update_ref to use a ref transaction Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 22/30] fetch.c: use a single ref transaction for all ref updates Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 23/30] receive-pack.c: use a reference transaction for updating the refs Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 24/30] fast-import.c: use a ref transaction when dumping tags Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 25/30] walker.c: use ref transaction for ref updates Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 26/30] refs.c: make write_ref_sha1 static Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 27/30] refs.c: make lock_ref_sha1 static Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 28/30] refs.c: add transaction.status and track OPEN/CLOSED/ERROR Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 29/30] refs.c: remove the update_ref_lock function Ronnie Sahlberg
2014-04-29 22:19 ` [PATCH v5 30/30] refs.c: remove the update_ref_write function Ronnie Sahlberg
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