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From: Michael Haggerty <mhagger@alum.mit.edu>
To: Ronnie Sahlberg <sahlberg@google.com>, git@vger.kernel.org
Subject: Re: [PATCH v3 12/19] replace.c: use the ref transaction functions for updates
Date: Sat, 26 Apr 2014 01:00:15 +0200	[thread overview]
Message-ID: <535AE8FF.80509@alum.mit.edu> (raw)
In-Reply-To: <1398442494-23438-13-git-send-email-sahlberg@google.com>

On 04/25/2014 06:14 PM, Ronnie Sahlberg wrote:
> Update replace.c to use ref transactions for updates.
> 
> Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
> ---
>  builtin/replace.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/builtin/replace.c b/builtin/replace.c
> index b62420a..cf0f56d 100644
> --- a/builtin/replace.c
> +++ b/builtin/replace.c
> @@ -129,7 +129,8 @@ static int replace_object(const char *object_ref, const char *replace_ref,
>  	unsigned char object[20], prev[20], repl[20];
>  	enum object_type obj_type, repl_type;
>  	char ref[PATH_MAX];
> -	struct ref_lock *lock;
> +	struct ref_transaction *transaction;
> +	char *err = NULL;
>  
>  	if (get_sha1(object_ref, object))
>  		die("Failed to resolve '%s' as a valid ref.", object_ref);
> @@ -157,11 +158,12 @@ static int replace_object(const char *object_ref, const char *replace_ref,
>  	else if (!force)
>  		die("replace ref '%s' already exists", ref);
>  
> -	lock = lock_any_ref_for_update(ref, prev, 0, NULL);
> -	if (!lock)
> -		die("%s: cannot lock the ref", ref);
> -	if (write_ref_sha1(lock, repl, NULL) < 0)
> -		die("%s: cannot update the ref", ref);
> +	transaction = ref_transaction_begin();
> +	if (!transaction ||
> +	    ref_transaction_update(transaction, ref, repl, prev,
> +				   0, !is_null_sha1(prev)) ||
> +	    ref_transaction_commit(transaction, NULL, &err))
> +	  die(_("%s: failed to replace ref: %s"), ref, err);

die() should be indented by two TABs.

>  
>  	return 0;
>  }
> 

Michael

-- 
Michael Haggerty
mhagger@alum.mit.edu
http://softwareswirl.blogspot.com/

  reply	other threads:[~2014-04-25 23:00 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-25 16:14 [PATCH v3 00/19] Use ref transactions from most callers Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 01/19] refs.c: constify the sha arguments for ref_transaction_create|delete|update Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 02/19] refs.c: allow passing NULL to ref_transaction_free Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 03/19] refs.c: make ref_transaction_commit return an error string Ronnie Sahlberg
2014-04-25 22:10   ` Jonathan Nieder
2014-04-28 17:46     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 04/19] refs.c: return error string from ref_update_reject_duplicates on failure Ronnie Sahlberg
2014-04-25 22:12   ` Jonathan Nieder
2014-04-28 18:23     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 05/19] update-ref.c: use the error string from _commit to print better message Ronnie Sahlberg
2014-04-25 22:36   ` Jonathan Nieder
2014-04-28 15:11     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 06/19] refs.c: make update_ref_write to return error string on failure Ronnie Sahlberg
2014-04-25 22:45   ` Jonathan Nieder
2014-04-28 18:23     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 07/19] refs.c: remove the onerr argument to ref_transaction_commit Ronnie Sahlberg
2014-04-25 22:47   ` Jonathan Nieder
2014-04-28 18:27     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 08/19] refs.c: change ref_transaction_update() to do error checking and return status Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 09/19] refs.c: change ref_transaction_create " Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 10/19] refs.c: ref_transaction_delete to check for error " Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 11/19] tag.c: use ref transactions when doing updates Ronnie Sahlberg
2014-04-25 22:58   ` Michael Haggerty
2014-04-28 15:15     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 12/19] replace.c: use the ref transaction functions for updates Ronnie Sahlberg
2014-04-25 23:00   ` Michael Haggerty [this message]
2014-04-28 15:17     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 13/19] commit.c: use ref transactions " Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 14/19] sequencer.c: use ref transactions for all ref updates Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 15/19] fast-import.c: change update_branch to use ref transactions Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 16/19] branch.c: use ref transaction for all ref updates Ronnie Sahlberg
2014-04-25 23:16   ` Michael Haggerty
2014-04-28 19:16     ` Ronnie Sahlberg
2014-04-29  9:35       ` Michael Haggerty
2014-04-29 15:11         ` Ronnie Sahlberg
2014-04-29 17:15         ` Junio C Hamano
2014-04-25 16:14 ` [PATCH v3 17/19] refs.c: change update_ref to use a transaction Ronnie Sahlberg
2014-04-25 23:28   ` Michael Haggerty
2014-04-28 18:33     ` Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 18/19] refs.c: free the transaction before returning when number of updates is 0 Ronnie Sahlberg
2014-04-25 16:14 ` [PATCH v3 19/19] refs.c: pass **transaction to commit and have it clear the pointer Ronnie Sahlberg
2014-04-26  1:31   ` Michael Haggerty
2014-04-28 17:59     ` Ronnie Sahlberg
2014-04-29  9:25       ` Michael Haggerty
2014-04-29 18:58         ` Ronnie Sahlberg
2014-04-30 14:20           ` Michael Haggerty
2014-04-25 21:53 ` [PATCH v3 00/19] Use ref transactions from most callers Jonathan Nieder
2014-04-25 22:04   ` Ronnie Sahlberg

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