From: Junio C Hamano <gitster@pobox•com>
To: Stefan Beller <sbeller@google•com>
Cc: ronniesahlberg@gmail•com, mhagger@alum•mit.edu,
jrnieder@gmail•com, git@vger•kernel.org
Subject: Re: [PATCH] receive-pack: refuse all commands if one fails in atomic mode
Date: Tue, 16 Dec 2014 12:32:12 -0800 [thread overview]
Message-ID: <xmqqfvcf9vzn.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <1418757280-32412-1-git-send-email-sbeller@google.com> (Stefan Beller's message of "Tue, 16 Dec 2014 11:14:40 -0800")
Stefan Beller <sbeller@google•com> writes:
> This patch will be incorporated into the right places in v3 of the series.
>
> Signed-off-by: Stefan Beller <sbeller@google•com>
> ---
>
> Notes:
> I don't want to resend the patch series today to accumulate comments,
> but this makes the last test pass, which is the whole point of the series.
>
> I'll put it into the right places in a reroll.
>
> builtin/receive-pack.c | 13 ++++++++++++-
> t/t5543-atomic-push.sh | 2 +-
> 2 files changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
> index 0803fd2..3477f7c 100644
> --- a/builtin/receive-pack.c
> +++ b/builtin/receive-pack.c
> @@ -1122,7 +1122,18 @@ static void execute_commands(struct command *commands,
> }
>
> if (use_atomic) {
> - if (ref_transaction_commit(transaction, &err)) {
> + /* update(...) may abort early (i.e. because the hook refused to
> + * update that ref), which then doesn't even record a transaction
> + * regarding that ref. Make sure all commands are without error
> + * and then commit atomically. */
/*
* The first line of our multi-line comment
* has only opening slash-asterisk and nothing else.
* The last line has asterisk-slash and nothing else.
*/
> + for (cmd = commands; cmd; cmd = cmd->next)
> + if (cmd->error_string)
> + break;
> + if (cmd) {
> + for (cmd = commands; cmd; cmd = cmd->next)
> + if (!cmd->error_string)
> + cmd->error_string = "atomic push failure";
> + } else if (ref_transaction_commit(transaction, &err)) {
> rp_error("%s", err.buf);
> for (cmd = commands; cmd; cmd = cmd->next)
> cmd->error_string = err.buf;
Makes sense.
> diff --git a/t/t5543-atomic-push.sh b/t/t5543-atomic-push.sh
> index 6354fc0..f0e54d9 100755
> --- a/t/t5543-atomic-push.sh
> +++ b/t/t5543-atomic-push.sh
> @@ -142,7 +142,7 @@ test_expect_success 'atomic push fails if one tag fails remotely' '
> test_ref_upstream second $(git -C workbench rev-parse --verify HEAD@{1})
> '
>
> -test_expect_failure 'atomic push obeys update hook preventing a branch to be pushed' '
> +test_expect_success 'atomic push obeys update hook preventing a branch to be pushed' '
> mk_repo_pair &&
> (
> cd workbench &&
next prev parent reply other threads:[~2014-12-16 20:32 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-15 19:56 [PATCH 0/5] Add a flag to push atomically Stefan Beller
2014-12-15 19:56 ` [PATCH 1/5] receive-pack.c: add protocol support to negotiate atomic-push Stefan Beller
2014-12-15 20:53 ` Junio C Hamano
2014-12-15 22:30 ` Stefan Beller
2014-12-15 19:56 ` [PATCH 2/5] send-pack.c: add an --atomic-push command line argument Stefan Beller
2014-12-15 21:01 ` Junio C Hamano
2014-12-15 19:56 ` [PATCH 3/5] receive-pack.c: use a single ref_transaction for atomic pushes Stefan Beller
2014-12-15 21:37 ` Junio C Hamano
2014-12-15 19:56 ` [PATCH 4/5] push.c: add an --atomic-push argument Stefan Beller
2014-12-15 21:50 ` Junio C Hamano
2014-12-15 19:56 ` [PATCH 5/5] t5543-atomic-push.sh: add basic tests for atomic pushes Stefan Beller
2014-12-15 22:29 ` Junio C Hamano
2014-12-15 22:33 ` [PATCH 0/5] Add a flag to push atomically Junio C Hamano
2014-12-16 18:49 ` [PATCHv2 1/6] receive-pack.c: add protocol support to negotiate atomic-push Stefan Beller
2014-12-16 18:49 ` [PATCHv2 2/6] send-pack: Invert the return value of ref_update_to_be_sent Stefan Beller
2014-12-16 19:14 ` Junio C Hamano
2014-12-16 18:49 ` [PATCHv2 3/6] send-pack.c: add --atomic command line argument Stefan Beller
2014-12-16 19:31 ` Junio C Hamano
2014-12-16 18:49 ` [PATCHv2 4/6] receive-pack.c: use a single ref_transaction for atomic pushes Stefan Beller
2014-12-16 19:29 ` Eric Sunshine
2014-12-16 20:30 ` Eric Sunshine
2014-12-16 19:35 ` Junio C Hamano
2014-12-16 18:49 ` [PATCHv2 5/6] push.c: add an --atomic-push argument Stefan Beller
2014-12-16 19:33 ` Eric Sunshine
2014-12-16 20:43 ` Junio C Hamano
2014-12-16 19:36 ` Junio C Hamano
2014-12-16 18:49 ` [PATCHv2 6/6] t5543-atomic-push.sh: add basic tests for atomic pushes Stefan Beller
2014-12-16 19:14 ` [PATCH] receive-pack: refuse all commands if one fails in atomic mode Stefan Beller
2014-12-16 20:32 ` Junio C Hamano [this message]
2014-12-16 19:37 ` [PATCHv2 6/6] t5543-atomic-push.sh: add basic tests for atomic pushes Eric Sunshine
2014-12-16 19:46 ` Junio C Hamano
2014-12-16 19:57 ` Stefan Beller
2014-12-16 20:46 ` Junio C Hamano
2014-12-16 20:51 ` Stefan Beller
2014-12-16 20:30 ` Junio C Hamano
2014-12-16 20:36 ` Stefan Beller
2014-12-16 19:05 ` [PATCHv2 1/6] receive-pack.c: add protocol support to negotiate atomic-push Junio C Hamano
2014-12-17 18:32 ` [PATCHv3 0/6] atomic pushes Stefan Beller
2014-12-17 18:32 ` [PATCHv3 1/6] receive-pack.c: add protocol support to negotiate atomic Stefan Beller
2014-12-19 1:05 ` Eric Sunshine
2014-12-17 18:32 ` [PATCHv3 2/6] send-pack: Rename ref_update_to_be_sent to check_to_send_update Stefan Beller
2014-12-17 22:53 ` Junio C Hamano
2014-12-17 18:32 ` [PATCHv3 3/6] send-pack.c: add --atomic command line argument Stefan Beller
2014-12-17 23:14 ` Junio C Hamano
2014-12-19 1:22 ` Eric Sunshine
2014-12-17 18:32 ` [PATCHv3 4/6] receive-pack.c: use a single ref_transaction for atomic pushes Stefan Beller
2014-12-17 23:26 ` Junio C Hamano
2014-12-17 23:58 ` Stefan Beller
2014-12-18 17:02 ` Junio C Hamano
2014-12-18 17:45 ` [PATCHv4 " Stefan Beller
2014-12-18 22:26 ` Eric Sunshine
2014-12-19 0:22 ` [PATCHv5 " Stefan Beller
2014-12-19 10:14 ` Eric Sunshine
2014-12-17 18:32 ` [PATCHv3 5/6] push.c: add an --atomic argument Stefan Beller
2014-12-19 1:29 ` Eric Sunshine
2014-12-17 18:32 ` [PATCHv3 6/6] t5543-atomic-push.sh: add basic tests for atomic pushes Stefan Beller
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