From: Junio C Hamano <gitster@pobox.com>
To: "John Cai via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org,
Christian Couder <christian.couder@gmail.com>,
John Cai <johncai86@gmail.com>
Subject: Re: [PATCH v3 2/4] pack-refs: teach --exclude option to exclude refs from being packed
Date: Thu, 11 May 2023 12:34:53 -0700 [thread overview]
Message-ID: <xmqqzg6avezm.fsf@gitster.g> (raw)
In-Reply-To: <8c5c66a3050ee1c0ce8a48a088f5ecc2df7d1e3a.1683828635.git.gitgitgadget@gmail.com> (John Cai via GitGitGadget's message of "Thu, 11 May 2023 18:10:32 +0000")
"John Cai via GitGitGadget" <gitgitgadget@gmail.com> writes:
> From: John Cai <johncai86@gmail.com>
>
> At GitLab, we have a system that creates ephemeral internal refs that
> don't live long before getting deleted. Having an option to exclude
> certain refs from a packed-refs file allows these internal references to
> be deleted much more efficiently.
>
> Add an --exclude option to the pack-refs builtin, and use the ref
> exclusions API to exclude certain refs from being packed into the final
> packed-refs file
>
> Signed-off-by: John Cai <johncai86@gmail.com>
> ---
> Documentation/git-pack-refs.txt | 12 +++++++++++-
> builtin/pack-refs.c | 20 ++++++++++++++++----
> refs.c | 4 ++--
> refs.h | 7 ++++++-
> refs/debug.c | 4 ++--
> refs/files-backend.c | 16 ++++++++++------
> refs/packed-backend.c | 2 +-
> refs/refs-internal.h | 3 ++-
> revision.h | 2 +-
> t/helper/test-ref-store.c | 3 ++-
> t/t3210-pack-refs.sh | 16 ++++++++++++++++
> 11 files changed, 69 insertions(+), 20 deletions(-)
Nice.
> diff --git a/Documentation/git-pack-refs.txt b/Documentation/git-pack-refs.txt
> index e011e5fead3..c0f7426e519 100644
> --- a/Documentation/git-pack-refs.txt
> +++ b/Documentation/git-pack-refs.txt
> @@ -8,7 +8,7 @@ git-pack-refs - Pack heads and tags for efficient repository access
> SYNOPSIS
> --------
> [verse]
> -'git pack-refs' [--all] [--no-prune]
> +'git pack-refs' [--all] [--no-prune] [--exclude <pattern>]
>
> DESCRIPTION
> -----------
> @@ -60,6 +60,16 @@ interests.
> The command usually removes loose refs under `$GIT_DIR/refs`
> hierarchy after packing them. This option tells it not to.
>
> +--exclude <pattern>::
> +
> +Do not pack refs matching the given `glob(7)` pattern. Repetitions of this option
> +accumulate exclusion patterns. Use `--no-exclude` to clear and reset the list of
> +patterns. If a ref is already packed, including it with `--exclude` will not
> +unpack it.
> +
> +When used with `--all`, it will use the difference between the set of all refs,
> +and what is provided to `--exclude`.
> +
Just one question. Does the above get formatted correctly, or does
the lack of a line with a sole '+' on it between the paragraphs make
the second paragraph look as if it is unrelated to the description
of the "--exclude" option?
Other than that I saw nothing surprising or unexpected in the
patch. Looking good.
Thanks.
next prev parent reply other threads:[~2023-05-11 19:35 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-04 15:48 [PATCH] pack-refs: teach --exclude option to exclude refs from being packed John Cai via GitGitGadget
2023-05-04 16:48 ` Junio C Hamano
2023-05-04 21:26 ` John Cai
2023-05-09 19:18 ` [PATCH v2 0/3] pack-refs: Teach " John Cai via GitGitGadget
2023-05-09 19:18 ` [PATCH v2 1/3] docs: clarify git-pack-refs --all will pack all refs John Cai via GitGitGadget
2023-05-09 19:18 ` [PATCH v2 2/3] pack-refs: teach --exclude option to exclude refs from being packed John Cai via GitGitGadget
2023-05-09 21:04 ` Junio C Hamano
2023-05-09 19:18 ` [PATCH v2 3/3] pack-refs: teach pack-refs --include option John Cai via GitGitGadget
2023-05-09 21:25 ` Junio C Hamano
2023-05-10 19:52 ` John Cai
2023-05-11 18:10 ` [PATCH v3 0/4] pack-refs: allow users control over which refs to pack John Cai via GitGitGadget
2023-05-11 18:10 ` [PATCH v3 1/4] docs: clarify git-pack-refs --all will pack all refs John Cai via GitGitGadget
2023-05-11 23:53 ` Taylor Blau
2023-05-11 18:10 ` [PATCH v3 2/4] pack-refs: teach --exclude option to exclude refs from being packed John Cai via GitGitGadget
2023-05-11 19:34 ` Junio C Hamano [this message]
2023-05-12 0:00 ` Taylor Blau
2023-05-12 12:53 ` John Cai
2023-05-12 21:11 ` John Cai
2023-05-11 18:10 ` [PATCH v3 3/4] revision: modify ref_exclusions to handle inclusions John Cai via GitGitGadget
2023-05-11 19:54 ` Junio C Hamano
2023-05-12 14:56 ` John Cai
2023-05-11 18:10 ` [PATCH v3 4/4] pack-refs: teach pack-refs --include option John Cai via GitGitGadget
2023-05-11 20:06 ` Junio C Hamano
2023-05-12 14:48 ` John Cai
2023-05-12 19:03 ` John Cai
2023-05-12 21:34 ` [PATCH v4 0/3] pack-refs: allow users control over which refs to pack John Cai via GitGitGadget
2023-05-12 21:34 ` [PATCH v4 1/3] docs: clarify git-pack-refs --all will pack all refs John Cai via GitGitGadget
2023-05-12 21:34 ` [PATCH v4 2/3] pack-refs: teach --exclude option to exclude refs from being packed John Cai via GitGitGadget
2023-05-12 21:34 ` [PATCH v4 3/3] pack-refs: teach pack-refs --include option John Cai via GitGitGadget
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