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From: Duy Nguyen <pclouds@gmail.com>
To: Michael Haggerty <mhagger@alum.mit.edu>
Cc: Junio C Hamano <gitster@pobox.com>,
	David Turner <dturner@twopensource.com>,
	Ramsay Jones <ramsay@ramsayjones.plus.com>,
	Eric Sunshine <sunshine@sunshineco.com>,
	Jeff King <peff@peff.net>, Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 00/38] Virtualization of the refs API
Date: Sun, 10 Jul 2016 17:09:06 +0200	[thread overview]
Message-ID: <CACsJy8CNJfQxnn94b=+mjfPVvNzJu3sD3w_g8yCUHY0UQCbfLQ@mail.gmail.com> (raw)
In-Reply-To: <cover.1464983301.git.mhagger@alum.mit.edu>

On Fri, Jun 3, 2016 at 11:03 PM, Michael Haggerty <mhagger@alum.mit.edu> wrote:
> Since the that ref-iterator [1] changes seem to have gotten a positive
> reception, let's try to keep up the momentum. I hope I'm not
> overloading the review pipeline...
>
> I think all of the groundwork is in place now to virtualize the refs
> API. This will open the way to storing refs in ways other than the
> familiar loose refs / packed refs format, such as David Turner's
> proposed LMDB-based storage [2].
>
> This is a long patch series, but most of the patches are pretty simple
> and formulaic. The goal is to implement a `ref_store`. In the language
> of object-oriented programming, `ref_store` is an abstract base class
> representing a reference storage backend. It provides methods to read,
> write, and delete references and symrefs, and to iterate over
> references, reflogs, and reflog entries, plus a number of other
> things—19 methods in all.

I probably don't know what I'm talking about because I don't follow
your work closely enough. Please ignore if this is nonsense. But if we
extend/change API, we might need to update git-for-each-ref too, to
expose it to shell scripts and external commands. I guess for
iteration there's nothing else more needed, but we may need to
introduction new options for the storage thing, e.g. to select
storage...
-- 
Duy

  parent reply	other threads:[~2016-07-10 15:09 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-03 21:03 [PATCH 00/38] Virtualization of the refs API Michael Haggerty
2016-06-03 21:03 ` [PATCH 01/38] resolve_gitlink_ref(): eliminate temporary variable Michael Haggerty
2016-06-03 21:03 ` [PATCH 02/38] rename_ref_available(): add docstring Michael Haggerty
2016-06-07 18:10   ` Junio C Hamano
2016-06-09 13:09     ` Michael Haggerty
2016-06-09 15:08       ` Junio C Hamano
2016-06-03 21:03 ` [PATCH 03/38] refs: rename struct ref_cache to files_ref_store Michael Haggerty
2016-06-03 21:03 ` [PATCH 04/38] refs: add a backend method structure Michael Haggerty
2016-06-03 21:03 ` [PATCH 05/38] refs: create a base class "ref_store" for files_ref_store Michael Haggerty
2016-06-07 16:31   ` Junio C Hamano
2016-06-09 21:54     ` René Scharfe
2016-06-07 17:03   ` Junio C Hamano
2016-06-09 14:10     ` Michael Haggerty
2016-06-09 16:14       ` Junio C Hamano
2016-06-10  6:18         ` Michael Haggerty
2016-06-10 15:53           ` Junio C Hamano
2016-06-10  8:08   ` Eric Sunshine
2016-06-10 12:02     ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 06/38] add_packed_ref(): add a files_ref_store argument Michael Haggerty
2016-06-03 21:03 ` [PATCH 07/38] get_packed_ref(): " Michael Haggerty
2016-06-03 21:03 ` [PATCH 08/38] resolve_missing_loose_ref(): " Michael Haggerty
2016-06-03 21:03 ` [PATCH 09/38] {lock,commit,rollback}_packed_refs(): add files_ref_store arguments Michael Haggerty
2016-06-03 21:03 ` [PATCH 10/38] refs: add a transaction_commit() method Michael Haggerty
2016-06-03 21:03 ` [PATCH 11/38] refs: reorder definitions Michael Haggerty
2016-06-03 21:03 ` [PATCH 12/38] resolve_packed_ref(): rename function from resolve_missing_loose_ref() Michael Haggerty
2016-06-03 21:03 ` [PATCH 13/38] resolve_gitlink_packed_ref(): remove function Michael Haggerty
2016-06-03 21:03 ` [PATCH 14/38] read_raw_ref(): take a (struct ref_store *) argument Michael Haggerty
2016-06-03 21:03 ` [PATCH 15/38] resolve_ref_recursively(): new function Michael Haggerty
2016-06-03 21:03 ` [PATCH 16/38] resolve_gitlink_ref(): implement using resolve_ref_recursively() Michael Haggerty
2016-06-07 17:19   ` Junio C Hamano
2016-06-14  5:03   ` Eric Sunshine
2016-06-16  4:03     ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 17/38] resolve_gitlink_ref(): avoid memory allocation in many cases Michael Haggerty
2016-06-07 17:29   ` Junio C Hamano
2016-06-09 14:37     ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 18/38] resolve_gitlink_ref(): rename path parameter to submodule Michael Haggerty
2016-06-03 21:03 ` [PATCH 19/38] refs: make read_raw_ref() virtual Michael Haggerty
2016-06-03 21:03 ` [PATCH 20/38] refs: make verify_refname_available() virtual Michael Haggerty
2016-06-03 21:03 ` [PATCH 21/38] refs: make pack_refs() virtual Michael Haggerty
2016-06-07 17:35   ` Junio C Hamano
2016-06-09 14:46     ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 22/38] refs: make create_symref() virtual Michael Haggerty
2016-06-03 21:03 ` [PATCH 23/38] refs: make peel_ref() virtual Michael Haggerty
2016-06-07 17:36   ` Junio C Hamano
2016-06-09 15:05     ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 24/38] repack_without_refs(): add a files_ref_store argument Michael Haggerty
2016-06-03 21:04 ` [PATCH 25/38] lock_raw_ref(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 26/38] commit_ref_update(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 27/38] lock_ref_for_update(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 28/38] lock_ref_sha1_basic(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 29/38] split_symref_update(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 30/38] files_ref_iterator_begin(): take a ref_store argument Michael Haggerty
2016-06-03 21:04 ` [PATCH 31/38] refs: add method iterator_begin Michael Haggerty
2016-06-03 21:04 ` [PATCH 32/38] refs: add methods for reflog Michael Haggerty
2016-06-03 21:04 ` [PATCH 33/38] refs: add method for initial ref transaction commit Michael Haggerty
2016-06-03 21:04 ` [PATCH 34/38] refs: add method for delete_refs Michael Haggerty
2016-06-07 17:43   ` Junio C Hamano
2016-06-09 15:14     ` Michael Haggerty
2016-06-03 21:04 ` [PATCH 35/38] refs: add methods to init refs db Michael Haggerty
2016-06-03 21:04 ` [PATCH 36/38] refs: add method to rename refs Michael Haggerty
2016-06-03 21:04 ` [PATCH 37/38] refs: make lock generic Michael Haggerty
2016-06-07 17:50   ` Junio C Hamano
2016-06-09 15:21     ` Michael Haggerty
2016-06-09 15:53     ` Michael Haggerty
2016-06-03 21:04 ` [PATCH 38/38] refs: implement iteration over only per-worktree refs Michael Haggerty
2016-07-10 15:09 ` Duy Nguyen [this message]
2016-07-13 15:26   ` [PATCH 00/38] Virtualization of the refs API Michael Haggerty

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