git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: Jeff King <peff@peff.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Michael Haggerty" <mhagger@alum.mit.edu>,
	"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
	"Stefan Beller" <sbeller@google.com>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"David Turner" <novalis@novalis.org>,
	"Brandon Williams" <bmwill@google.com>,
	git@vger.kernel.org
Subject: Re: [PATCH v2 00/29] Create a reference backend for packed refs
Date: Fri, 23 Jun 2017 21:11:31 -0400	[thread overview]
Message-ID: <20170624011131.5kgmzgpb4vtwikk5@sigill.intra.peff.net> (raw)
In-Reply-To: <xmqqefuacr6y.fsf@gitster.mtv.corp.google.com>

On Fri, Jun 23, 2017 at 02:47:01PM -0700, Junio C Hamano wrote:

> > Speculating on my own question. I guess it would prepare us for a day
> > when a possible ref store is to use a packed-refs _without_ loose refs.
> > IOW, the property is defined on packed-refs today, but a possible future
> > direction would be to use it by itself. But maybe I'm just making things
> > up.
> 
> OK.  In other words, it's not a packed-refs's characteristics that
> cruft are allowed.  It's that a ref storage that is implemented as
> an overlay of one storage (which happens to be the loose one) on top
> of another (which happens to be the packed refs file) allows the
> latter one to have cruft if (and only if) that broken one is covered
> by the former one.

Thanks, that's a much better way of saying what I was trying to get at.
I don't know if that's Michael's argument or not, but it's certainly one
I find reasonable. :)

-Peff

  reply	other threads:[~2017-06-24  1:11 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-23  7:01 [PATCH v2 00/29] Create a reference backend for packed refs Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 01/29] t1408: add a test of stale packed refs covered by loose refs Michael Haggerty
2017-06-23 18:59   ` Jeff King
2017-06-23 20:22     ` Junio C Hamano
2017-06-23  7:01 ` [PATCH v2 02/29] add_packed_ref(): teach function to overwrite existing refs Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 03/29] packed_ref_store: new struct Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 04/29] packed_ref_store: move `packed_refs_path` here Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 05/29] packed_ref_store: move `packed_refs_lock` member here Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 06/29] clear_packed_ref_cache(): take a `packed_ref_store *` parameter Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 07/29] validate_packed_ref_cache(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 08/29] get_packed_ref_cache(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 09/29] get_packed_refs(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 10/29] add_packed_ref(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 11/29] lock_packed_refs(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 12/29] commit_packed_refs(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 13/29] rollback_packed_refs(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 14/29] get_packed_ref(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 15/29] repack_without_refs(): " Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 16/29] packed_peel_ref(): new function, extracted from `files_peel_ref()` Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 17/29] packed_ref_store: support iteration Michael Haggerty
2017-06-23 19:12   ` Jeff King
2017-06-23  7:01 ` [PATCH v2 18/29] packed_read_raw_ref(): new function, replacing `resolve_packed_ref()` Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 19/29] packed-backend: new module for handling packed references Michael Haggerty
2017-06-23 19:35   ` Jeff King
2017-06-23 19:46     ` Stefan Beller
2017-06-23 21:20     ` Junio C Hamano
2017-06-23  7:01 ` [PATCH v2 20/29] packed_ref_store: make class into a subclass of `ref_store` Michael Haggerty
2017-06-23 19:40   ` Jeff King
2017-06-23  7:01 ` [PATCH v2 21/29] commit_packed_refs(): report errors rather than dying Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 22/29] commit_packed_refs(): use a staging file separate from the lockfile Michael Haggerty
2017-06-23 19:46   ` Jeff King
2017-06-24 11:43     ` Michael Haggerty
2017-06-24 11:57       ` Jeff King
2017-06-23  7:01 ` [PATCH v2 23/29] packed_refs_lock(): function renamed from lock_packed_refs() Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 24/29] packed_refs_lock(): report errors via a `struct strbuf *err` Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 25/29] packed_refs_unlock(), packed_refs_is_locked(): new functions Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 26/29] clear_packed_ref_cache(): don't protest if the lock is held Michael Haggerty
2017-06-23 19:49   ` Jeff King
2017-06-23  7:01 ` [PATCH v2 27/29] commit_packed_refs(): remove call to `packed_refs_unlock()` Michael Haggerty
2017-06-23 19:51   ` Jeff King
2017-06-23  7:01 ` [PATCH v2 28/29] repack_without_refs(): don't lock or unlock the packed refs Michael Haggerty
2017-06-23 19:56   ` Jeff King
2017-07-01 17:11     ` Michael Haggerty
2017-06-23  7:01 ` [PATCH v2 29/29] read_packed_refs(): die if `packed-refs` contains bogus data Michael Haggerty
2017-06-23 19:58   ` Jeff King
2017-07-01 18:15     ` Michael Haggerty
2017-06-23 19:01 ` [PATCH v2 00/29] Create a reference backend for packed refs Jeff King
2017-06-23 20:00   ` Jeff King
2017-06-23 21:47     ` Junio C Hamano
2017-06-24  1:11       ` Jeff King [this message]
2017-06-24 11:14         ` Michael Haggerty
2017-06-23 20:24   ` Junio C Hamano

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170624011131.5kgmzgpb4vtwikk5@sigill.intra.peff.net \
    --to=peff@peff.net \
    --cc=avarab@gmail.com \
    --cc=bmwill@google.com \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=mhagger@alum.mit.edu \
    --cc=novalis@novalis.org \
    --cc=pclouds@gmail.com \
    --cc=sbeller@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).