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From: Patrick Steinhardt <ps@pks•im>
To: Karthik Nayak <karthik.188@gmail•com>
Cc: git@vger•kernel.org, jltobler@gmail•com, phillip.wood123@gmail•com
Subject: Re: [PATCH v4 5/8] refs: introduce enum-based transaction error types
Date: Tue, 25 Mar 2025 13:31:14 +0100	[thread overview]
Message-ID: <Z-KiEsx4ry3CX5eJ@pks.im> (raw)
In-Reply-To: <CAOLa=ZRM8EeeVXpZFpLU7Wg8k98_U+0hw1y63gQDjPEfR2P2cw@mail.gmail.com>

On Mon, Mar 24, 2025 at 02:50:56PM +0000, Karthik Nayak wrote:
> Patrick Steinhardt <ps@pks•im> writes:
> 
> > On Thu, Mar 20, 2025 at 12:44:00PM +0100, Karthik Nayak wrote:
> >> diff --git a/refs.h b/refs.h
> >> index 240e2d8537..dcd83e81e2 100644
> >> --- a/refs.h
> >> +++ b/refs.h
> >> @@ -16,6 +16,29 @@ struct worktree;
> >>  enum ref_storage_format ref_storage_format_by_name(const char *name);
> >>  const char *ref_storage_format_to_name(enum ref_storage_format ref_storage_format);
> >>
> >> +/*
> >> + * enum ref_transaction_error represents the following return codes:
> >> + * REF_TRANSACTION_ERROR_GENERIC error_code: default error code.
> >> + * REF_TRANSACTION_ERROR_NAME_CONFLICT error_code: ref name conflict like A vs A/B.
> >> + * REF_TRANSACTION_ERROR_CREATE_EXISTS error_code: ref to be created already exists.
> >> + * REF_TRANSACTION_ERROR_NONEXISTENT_REF error_code: ref expected but doesn't exist.
> >> + * REF_TRANSACTION_ERROR_INCORRECT_OLD_VALUE error_code: provided old_oid or old_target of
> >> + * reference doesn't match actual.
> >> + * REF_TRANSACTION_ERROR_INVALID_NEW_VALUE error_code: provided new_oid or new_target is
> >> + * invalid.
> >> + * REF_TRANSACTION_ERROR_EXPECTED_SYMREF error_code: expected ref to be symref, but is a
> >> + * regular ref.
> >> + */
> >> +enum ref_transaction_error {
> >> +	REF_TRANSACTION_ERROR_GENERIC = -1,
> >> +	REF_TRANSACTION_ERROR_NAME_CONFLICT = -2,
> >> +	REF_TRANSACTION_ERROR_CREATE_EXISTS = -3,
> >> +	REF_TRANSACTION_ERROR_NONEXISTENT_REF = -4,
> >> +	REF_TRANSACTION_ERROR_INCORRECT_OLD_VALUE = -5,
> >> +	REF_TRANSACTION_ERROR_INVALID_NEW_VALUE = -6,
> >> +	REF_TRANSACTION_ERROR_EXPECTED_SYMREF = -7,
> >> +};
> >> +
> >
> > Tiny nit: I think it's generally preferable to document each specific
> > right next to its definition.
> >
> 
> Idk about this, I based it off on `enum bisect_error` which is similar,
> but I also see the same in `enum scld_error`.
> 
> I'm okay to change this though, perhaps makes sense to document the
> preferred style however.

Probably would make sense, yes. The argument for why it's preferable to
do this inline is that it's harder for the list to grow stale. It's
trivial to see when a comment needs to be removed/updated.

Patrick

  reply	other threads:[~2025-03-25 12:31 UTC|newest]

Thread overview: 147+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-07  7:34 [PATCH 0/6] refs: introduce support for partial reference transactions Karthik Nayak
2025-02-07  7:34 ` [PATCH 1/6] refs/files: remove duplicate check in `split_symref_update()` Karthik Nayak
2025-02-07 16:12   ` Patrick Steinhardt
2025-02-11  6:35     ` Karthik Nayak
2025-02-07  7:34 ` [PATCH 2/6] refs: move duplicate refname update check to generic layer Karthik Nayak
2025-02-07 16:12   ` Patrick Steinhardt
2025-02-11 10:33     ` Karthik Nayak
2025-02-07  7:34 ` [PATCH 3/6] refs/files: remove duplicate duplicates check Karthik Nayak
2025-02-07 16:12   ` Patrick Steinhardt
2025-02-07  7:34 ` [PATCH 4/6] refs/reftable: extract code from the transaction preparation Karthik Nayak
2025-02-07  7:34 ` [PATCH 5/6] refs: implement partial reference transaction support Karthik Nayak
2025-02-07 16:12   ` Patrick Steinhardt
2025-02-21 10:33     ` Karthik Nayak
2025-02-07  7:34 ` [PATCH 6/6] update-ref: add --allow-partial flag for stdin mode Karthik Nayak
2025-02-07 16:12   ` Patrick Steinhardt
2025-02-21 11:45     ` Karthik Nayak
2025-02-11 17:03 ` [PATCH 0/6] refs: introduce support for partial reference transactions Phillip Wood
2025-02-11 17:40   ` Phillip Wood
2025-02-12 12:36     ` Karthik Nayak
2025-02-12 12:34   ` Karthik Nayak
2025-02-19 14:34     ` Phillip Wood
2025-02-19 15:10       ` Patrick Steinhardt
2025-02-21 11:50       ` Karthik Nayak
2025-02-25  9:29 ` [PATCH v2 0/7] " Karthik Nayak
2025-02-25  9:29   ` [PATCH v2 1/7] refs/files: remove redundant check in split_symref_update() Karthik Nayak
2025-02-25  9:29   ` [PATCH v2 2/7] refs: move duplicate refname update check to generic layer Karthik Nayak
2025-02-25  9:29   ` [PATCH v2 3/7] refs/files: remove duplicate duplicates check Karthik Nayak
2025-02-25  9:29   ` [PATCH v2 4/7] refs/reftable: extract code from the transaction preparation Karthik Nayak
2025-02-25  9:29   ` [PATCH v2 5/7] refs: introduce enum-based transaction error types Karthik Nayak
2025-02-25 11:08     ` Patrick Steinhardt
2025-03-03 20:12       ` Karthik Nayak
2025-02-25  9:29   ` [PATCH v2 6/7] refs: implement partial reference transaction support Karthik Nayak
2025-02-25 11:07     ` Patrick Steinhardt
2025-03-03 20:17       ` Karthik Nayak
2025-02-25 14:57     ` Phillip Wood
2025-03-03 20:21       ` Karthik Nayak
2025-03-04 10:31         ` Phillip Wood
2025-03-05 14:20           ` Karthik Nayak
2025-02-25  9:29   ` [PATCH v2 7/7] update-ref: add --allow-partial flag for stdin mode Karthik Nayak
2025-02-25 11:08     ` Patrick Steinhardt
2025-03-03 20:22       ` Karthik Nayak
2025-02-25 14:59     ` Phillip Wood
2025-03-03 20:34       ` Karthik Nayak
2025-03-05 17:38 ` [PATCH v3 0/8] refs: introduce support for partial reference transactions Karthik Nayak
2025-03-05 17:38   ` [PATCH v3 1/8] refs/files: remove redundant check in split_symref_update() Karthik Nayak
2025-03-05 21:20     ` Junio C Hamano
2025-03-06  9:13       ` Karthik Nayak
2025-03-05 17:38   ` [PATCH v3 2/8] refs: move duplicate refname update check to generic layer Karthik Nayak
2025-03-05 21:56     ` Junio C Hamano
2025-03-06  9:46       ` Karthik Nayak
2025-03-05 17:38   ` [PATCH v3 3/8] refs/files: remove duplicate duplicates check Karthik Nayak
2025-03-05 17:38   ` [PATCH v3 4/8] refs/reftable: extract code from the transaction preparation Karthik Nayak
2025-03-05 17:39   ` [PATCH v3 5/8] refs: introduce enum-based transaction error types Karthik Nayak
2025-03-05 17:39   ` [PATCH v3 6/8] refs: implement partial reference transaction support Karthik Nayak
2025-03-07 19:50     ` Jeff King
2025-03-07 20:46       ` Junio C Hamano
2025-03-07 20:48         ` Junio C Hamano
2025-03-07 21:05         ` Karthik Nayak
2025-03-07 22:54         ` [PATCH] config.mak.dev: enable -Wunreachable-code Jeff King
2025-03-07 23:28           ` Junio C Hamano
2025-03-08  3:23           ` Jeff King
2025-03-10 15:40             ` Junio C Hamano
2025-03-10 16:04               ` Jeff King
2025-03-10 18:50                 ` Junio C Hamano
2025-03-14 16:10                   ` Jeff King
2025-03-14 16:13                     ` Jeff King
2025-03-14 17:27                       ` Junio C Hamano
2025-03-14 17:40                         ` Junio C Hamano
2025-03-14 17:43                           ` Patrick Steinhardt
2025-03-14 18:53                           ` Jeff King
2025-03-14 19:50                             ` Junio C Hamano
2025-03-14 17:15                     ` Junio C Hamano
2025-06-03 21:29             ` Mike Hommey
2025-06-03 22:07               ` Junio C Hamano
2025-06-03 22:37                 ` Mike Hommey
2025-06-03 23:08                   ` Mike Hommey
2025-03-14 21:09           ` [PATCH v2 0/3] -Wunreachable-code Junio C Hamano
2025-03-14 21:09             ` [PATCH v2 1/3] config.mak.dev: enable -Wunreachable-code Junio C Hamano
2025-03-14 21:09             ` [PATCH v2 2/3] run-command: use errno to check for sigfillset() error Junio C Hamano
2025-03-17 21:30               ` Taylor Blau
2025-03-17 23:12                 ` Junio C Hamano
2025-03-18  0:36                   ` Junio C Hamano
2025-03-14 21:09             ` [PATCH v2 3/3] git-compat-util: add NOT_A_CONST macro and use it in atfork_prepare() Junio C Hamano
2025-03-14 22:29               ` Junio C Hamano
2025-03-17 18:00                 ` Jeff King
2025-03-17 23:53             ` [PATCH v3 0/3] -Wunreachable-code Junio C Hamano
2025-03-17 23:53               ` [PATCH v3 1/3] run-command: use errno to check for sigfillset() error Junio C Hamano
2025-03-17 23:53               ` [PATCH v3 2/3] git-compat-util: add NOT_CONSTANT macro and use it in atfork_prepare() Junio C Hamano
2025-03-18  0:20                 ` Jeff King
2025-03-18  0:28                   ` Junio C Hamano
2025-03-18 22:04                 ` Calvin Wan
2025-03-18 22:26                   ` Calvin Wan
2025-03-18 23:55                     ` Junio C Hamano
2025-03-17 23:53               ` [PATCH v3 3/3] config.mak.dev: enable -Wunreachable-code Junio C Hamano
2025-03-18  0:18               ` [PATCH v3 0/3] -Wunreachable-code Jeff King
2025-03-07 21:02       ` [PATCH v3 6/8] refs: implement partial reference transaction support Karthik Nayak
2025-03-07 19:57     ` Jeff King
2025-03-07 21:07       ` Karthik Nayak
2025-03-05 17:39   ` [PATCH v3 7/8] refs: support partial update rejections during F/D checks Karthik Nayak
2025-03-05 17:39   ` [PATCH v3 8/8] update-ref: add --allow-partial flag for stdin mode Karthik Nayak
2025-03-05 19:28   ` [PATCH v3 0/8] refs: introduce support for partial reference transactions Junio C Hamano
2025-03-06  9:06     ` Karthik Nayak
2025-03-20 11:43 ` [PATCH v4 0/8] refs: introduce support for batched reference updates Karthik Nayak
2025-03-20 11:43   ` [PATCH v4 1/8] refs/files: remove redundant check in split_symref_update() Karthik Nayak
2025-03-20 11:43   ` [PATCH v4 2/8] refs: move duplicate refname update check to generic layer Karthik Nayak
2025-03-20 11:43   ` [PATCH v4 3/8] refs/files: remove duplicate duplicates check Karthik Nayak
2025-03-20 11:43   ` [PATCH v4 4/8] refs/reftable: extract code from the transaction preparation Karthik Nayak
2025-03-20 11:44   ` [PATCH v4 5/8] refs: introduce enum-based transaction error types Karthik Nayak
2025-03-20 20:26     ` Patrick Steinhardt
2025-03-24 14:50       ` Karthik Nayak
2025-03-25 12:31         ` Patrick Steinhardt [this message]
2025-03-20 11:44   ` [PATCH v4 6/8] refs: implement batch reference update support Karthik Nayak
2025-03-20 20:26     ` Patrick Steinhardt
2025-03-24 14:54       ` Karthik Nayak
2025-03-20 11:44   ` [PATCH v4 7/8] refs: support rejection in batch updates during F/D checks Karthik Nayak
2025-03-24 13:08     ` Patrick Steinhardt
2025-03-24 17:48       ` Karthik Nayak
2025-03-25 12:31         ` Patrick Steinhardt
2025-03-20 11:44   ` [PATCH v4 8/8] update-ref: add --batch-updates flag for stdin mode Karthik Nayak
2025-03-24 13:08     ` Patrick Steinhardt
2025-03-24 17:51       ` Karthik Nayak
2025-03-27 11:13 ` [PATCH v5 0/8] refs: introduce support for batched reference updates Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 1/8] refs/files: remove redundant check in split_symref_update() Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 2/8] refs: move duplicate refname update check to generic layer Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 3/8] refs/files: remove duplicate duplicates check Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 4/8] refs/reftable: extract code from the transaction preparation Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 5/8] refs: introduce enum-based transaction error types Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 6/8] refs: implement batch reference update support Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 7/8] refs: support rejection in batch updates during F/D checks Karthik Nayak
2025-03-27 11:13   ` [PATCH v5 8/8] update-ref: add --batch-updates flag for stdin mode Karthik Nayak
2025-03-28 13:00     ` Jean-Noël AVILA
2025-03-29 16:36       ` Junio C Hamano
2025-03-29 18:18         ` Karthik Nayak
2025-03-28  9:24   ` [PATCH v5 0/8] refs: introduce support for batched reference updates Patrick Steinhardt
2025-04-08  8:51 ` [PATCH v6 " Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 1/8] refs/files: remove redundant check in split_symref_update() Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 2/8] refs: move duplicate refname update check to generic layer Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 3/8] refs/files: remove duplicate duplicates check Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 4/8] refs/reftable: extract code from the transaction preparation Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 5/8] refs: introduce enum-based transaction error types Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 6/8] refs: implement batch reference update support Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 7/8] refs: support rejection in batch updates during F/D checks Karthik Nayak
2025-04-08  8:51   ` [PATCH v6 8/8] update-ref: add --batch-updates flag for stdin mode Karthik Nayak
2025-04-08 15:02     ` Junio C Hamano
2025-04-08 15:26       ` Karthik Nayak
2025-04-08 17:37         ` Junio C Hamano
2025-04-10 11:23           ` Karthik Nayak

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