From: Ronnie Sahlberg <sahlberg@google.com>
To: git@vger.kernel.org
Cc: mhagger@alum.mit.edu, Ronnie Sahlberg <sahlberg@google.com>
Subject: [PATCH v2 03/13] refs.c: change ref_transaction_update() to do error checking and return status
Date: Mon, 21 Apr 2014 15:53:21 -0700 [thread overview]
Message-ID: <1398120811-20284-4-git-send-email-sahlberg@google.com> (raw)
In-Reply-To: <1398120811-20284-1-git-send-email-sahlberg@google.com>
Update ref_transaction_update() do some basic error checking and return
true on error. Update all callers to check ref_transaction_update() for error.
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
builtin/update-ref.c | 10 ++++++----
refs.c | 9 +++++++--
refs.h | 10 +++++-----
3 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 405267f..811e0b0 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -197,8 +197,9 @@ static const char *parse_cmd_update(struct strbuf *input, const char *next)
if (*next != line_termination)
die("update %s: extra input: %s", refname, next);
- ref_transaction_update(transaction, refname, new_sha1, old_sha1,
- update_flags, have_old);
+ if (ref_transaction_update(transaction, refname, new_sha1, old_sha1,
+ update_flags, have_old))
+ die("failed transaction update for %s", refname);
update_flags = 0;
free(refname);
@@ -286,8 +287,9 @@ static const char *parse_cmd_verify(struct strbuf *input, const char *next)
if (*next != line_termination)
die("verify %s: extra input: %s", refname, next);
- ref_transaction_update(transaction, refname, new_sha1, old_sha1,
- update_flags, have_old);
+ if (ref_transaction_update(transaction, refname, new_sha1, old_sha1,
+ update_flags, have_old))
+ die("failed transaction update for %s", refname);
update_flags = 0;
free(refname);
diff --git a/refs.c b/refs.c
index 9daf89e..8c02779 100644
--- a/refs.c
+++ b/refs.c
@@ -3327,19 +3327,24 @@ static struct ref_update *add_update(struct ref_transaction *transaction,
return update;
}
-void ref_transaction_update(struct ref_transaction *transaction,
+int ref_transaction_update(struct ref_transaction *transaction,
const char *refname,
const unsigned char *new_sha1,
const unsigned char *old_sha1,
int flags, int have_old)
{
- struct ref_update *update = add_update(transaction, refname);
+ struct ref_update *update;
+
+ if (have_old && !old_sha1)
+ die("have_old is true but old_sha1 is NULL");
+ update = add_update(transaction, refname);
hashcpy(update->new_sha1, new_sha1);
update->flags = flags;
update->have_old = have_old;
if (have_old)
hashcpy(update->old_sha1, old_sha1);
+ return 0;
}
void ref_transaction_create(struct ref_transaction *transaction,
diff --git a/refs.h b/refs.h
index 892c5b6..00e4f7b 100644
--- a/refs.h
+++ b/refs.h
@@ -237,11 +237,11 @@ void ref_transaction_rollback(struct ref_transaction *transaction);
* that the reference should have had before the update, or zeros if
* it must not have existed beforehand.
*/
-void ref_transaction_update(struct ref_transaction *transaction,
- const char *refname,
- const unsigned char *new_sha1,
- const unsigned char *old_sha1,
- int flags, int have_old);
+int ref_transaction_update(struct ref_transaction *transaction,
+ const char *refname,
+ const unsigned char *new_sha1,
+ const unsigned char *old_sha1,
+ int flags, int have_old);
/*
* Add a reference creation to transaction. new_sha1 is the value
--
1.9.1.515.g3b87021
next prev parent reply other threads:[~2014-04-21 22:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-21 22:53 [PATCH v2 00/13] Use ref transactions from most callers Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 01/13] refs.c: constify the sha arguments for ref_transaction_create|delete|update Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 02/13] refs.c: use a single exit path from transaction commit and handle onerr Ronnie Sahlberg
2014-04-22 19:11 ` Junio C Hamano
2014-04-22 22:46 ` Ronnie Sahlberg
2014-04-22 19:14 ` Junio C Hamano
2014-04-21 22:53 ` Ronnie Sahlberg [this message]
2014-04-21 22:53 ` [PATCH v2 04/13] refs.c: change ref_transaction_create to do error checking and return status Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 05/13] refs.c: ref_transaction_delete to check for error " Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 06/13] tag.c: use ref transactions when doing updates Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 07/13] replace.c: use the ref transaction functions for updates Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 08/13] commit.c: use ref transactions " Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 09/13] sequencer.c: use ref transactions for all ref updates Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 10/13] fast-import.c: change update_branch to use ref transactions Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 11/13] branch.c: use ref transaction for all ref updates Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 12/13] walker.c: use ref transaction for " Ronnie Sahlberg
2014-04-21 22:53 ` [PATCH v2 13/13] refs.c: change update_ref to use a transaction Ronnie Sahlberg
2014-04-22 19:34 ` [PATCH v2 00/13] Use ref transactions from most callers Junio C Hamano
2014-04-22 22:43 ` Ronnie Sahlberg
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