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From: Stefan Beller <sbeller@google.com>
To: Jeff King <peff@peff.net>
Cc: Jonathan Tan <jonathantanmy@google.com>, Brandon Williams <bmwill@google.com>, "git@vger.kernel.org" <git@vger.kernel.org>, Jonathan Nieder <jrnieder@gmail.com>, Jacob Keller <jacob.keller@gmail.com>, Johannes Schindelin <Johannes.Schindelin@gmx.de>, "brian m. carlson" <sandals@crustytoothpaste.net>, Ben Peart <peartben@gmail.com>, Duy Nguyen <pclouds@gmail.com>, Junio C Hamano <gitster@pobox.com>, Jeff Hostetler <git@jeffhostetler.com>, Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Subject: Re: [PATCH v2 00/32] repository object
Date: Sun, 11 Jun 2017 22:24:12 -0700
Message-ID: <CAGZ79kbtZJd3O1vZBEkqU5_VRs5LmJhxUKtWu4RWTyk5M1r__Q@mail.gmail.com> (raw)
In-Reply-To: <20170610060712.foqre5fscaxu3tnx@sigill.intra.peff.net>

On Fri, Jun 9, 2017 at 11:07 PM, Jeff King <peff@peff.net> wrote:
> On Fri, Jun 09, 2017 at 05:40:34PM -0700, Jonathan Tan wrote:
>
>> Before I get into the details, I have some questions:
>>
>> 1. I am concerned that "struct repository" will end up growing without
>> bounds as we store more and more repo-specific concerns in it. Could it
>> be restricted to just the fields populated by repo_init()?
>> repo_read_index() will then return the index itself, instead of using
>> "struct repository" as a cache. This means that code using
>> repo_read_index() will need to maintain its own variable holding the
>> returned index, but that is likely a positive - it's better for code to
>> just pass around the specific thing needed between functions anyway, as
>> opposed to passing a giant "struct repository" (which partially defeats
>> the purpose of eliminating the usage of globals).
>
> I think the repository object has to become a kitchen sink of sorts,
> because we have tons of global variables representing repo-wide config.

AFAICT we want to operate on struct 'the_repo' and struct 'the_cmd_options'
eventually. In our use case of submodules the submodules would ignore the
settings of the main repo, but still accept guidance of the_cmd_config or
'the_config.

> So I have a feeling that we're always going to need some
> big object to hold all that context when doing multi-repo operations in
> a single process.

Well not just one big struct, but two. (or more?)

  parent reply index

Thread overview: 204+ messages in thread (expand / mbox.gz / Atom feed / [top])
2017-05-31 21:43 [PATCH 00/31] repository object Brandon Williams
2017-05-31 21:43 ` [PATCH 01/31] config: create config.h Brandon Williams
2017-05-31 21:43 ` [PATCH 02/31] config: don't include config.h by default Brandon Williams
2017-05-31 21:43 ` [PATCH 03/31] config: don't implicitly use gitdir Brandon Williams
2017-06-08 10:41   ` Johannes Schindelin
2017-06-08 16:37     ` Brandon Williams
2017-06-08 18:58       ` Johannes Schindelin
2017-06-08 19:19         ` Brandon Williams
2017-05-31 21:43 ` [PATCH 04/31] setup: don't perform lazy initialization of repository state Brandon Williams
2017-06-01 19:23   ` Stefan Beller
2017-06-02 18:39     ` Jeff King
2017-06-05 17:43       ` Brandon Williams
2017-06-05 18:20         ` Jeff King
2017-06-05 18:44           ` Brandon Williams
2017-05-31 21:43 ` [PATCH 05/31] environment: remove namespace_len variable Brandon Williams
2017-06-01 19:28   ` Stefan Beller
2017-06-01 21:09     ` Brandon Williams
2017-05-31 21:43 ` [PATCH 06/31] repo: introduce the repository object Brandon Williams
2017-06-01 19:53   ` Stefan Beller
2017-06-05 17:53     ` Brandon Williams
2017-06-05 18:31       ` Stefan Beller
2017-05-31 21:43 ` [PATCH 07/31] environment: place key repository state in the_repository Brandon Williams
2017-05-31 21:43 ` [PATCH 08/31] environment: store worktree in the_repository Brandon Williams
2017-05-31 21:43 ` [PATCH 09/31] setup: add comment indicating a hack Brandon Williams
2017-05-31 21:43 ` [PATCH 10/31] config: migrate the_configset to the_repository Brandon Williams
2017-05-31 21:43 ` [PATCH 11/31] repo: add index_state to struct repo Brandon Williams
2017-05-31 21:43 ` [PATCH 12/31] submodule-config: store the_submodule_cache in the_repository Brandon Williams
2017-05-31 21:43 ` [PATCH 13/31] repo: add repo_read_gitmodules Brandon Williams
2017-05-31 21:44 ` [PATCH 14/31] submodule: convert is_submodule_initialized to work on a repository Brandon Williams
2017-05-31 21:44 ` [PATCH 15/31] convert: convert get_cached_convert_stats_ascii to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 16/31] convert: convert crlf_to_git to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 17/31] convert: convert convert_to_git_filter_fd to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 18/31] convert: convert convert_to_git to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 19/31] convert: convert renormalize_buffer to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 20/31] tree: convert read_tree to take an index parameter Brandon Williams
2017-05-31 21:44 ` [PATCH 21/31] ls-files: convert overlay_tree_on_cache to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 22/31] ls-files: convert write_eolinfo to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 23/31] ls-files: convert show_killed_files to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 24/31] ls-files: convert show_other_files to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 25/31] ls-files: convert show_ru_info to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 26/31] ls-files: convert ce_excluded to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 27/31] ls-files: convert prune_cache to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 28/31] ls-files: convert show_files to take an index Brandon Williams
2017-05-31 21:44 ` [PATCH 29/31] ls-files: factor out debug info into a function Brandon Williams
2017-05-31 21:44 ` [PATCH 30/31] ls-files: factor out tag calculation Brandon Williams
2017-05-31 21:44 ` [PATCH 31/31] ls-files: use repository object Brandon Williams
2017-06-01 20:36   ` Stefan Beller
2017-06-05 17:46     ` Brandon Williams
2017-05-31 22:56 ` Stefan Beller
2017-05-31 23:01   ` Brandon Williams
2017-06-01 18:10 ` Brandon Williams
2017-06-01 18:28   ` Stefan Beller
2017-06-01 20:03     ` Jacob Keller
2017-06-08 23:40 ` Brandon Williams
2017-06-08 23:40   ` [PATCH v2 01/32] config: create config.h Brandon Williams
2017-06-08 23:40   ` [PATCH v2 02/32] config: remove git_config_iter Brandon Williams
2017-06-08 23:40   ` [PATCH v2 03/32] config: don't include config.h by default Brandon Williams
2017-06-08 23:40   ` [PATCH v2 04/32] config: don't implicitly use gitdir Brandon Williams
2017-06-12 19:57     ` Brandon Williams
2017-06-08 23:40   ` [PATCH v2 05/32] setup: don't perform lazy initialization of repository state Brandon Williams
2017-06-08 23:40   ` [PATCH v2 06/32] environment: remove namespace_len variable Brandon Williams
2017-06-08 23:40   ` [PATCH v2 07/32] repository: introduce the repository object Brandon Williams
2017-06-09  8:53     ` [PATCH 0/2] Add a freez() wrapper Ævar Arnfjörð Bjarmason
2017-06-09 14:53       ` Brandon Williams
2017-06-09 22:04       ` [PATCH v2 0/2] Add a FREEZ() wrapper macro Ævar Arnfjörð Bjarmason
2017-06-09 22:04       ` [PATCH v2 1/2] git-compat-util: add a FREEZ() wrapper around free(ptr); ptr = NULL Ævar Arnfjörð Bjarmason
2017-06-09 22:27         ` Jonathan Nieder
2017-06-09 23:37           ` Eric Wong
2017-06-10  1:40             ` Junio C Hamano
2017-06-10  3:21               ` Eric Wong
2017-06-10  7:25                 ` Jeff King
2017-06-15 16:48                   ` Junio C Hamano
2017-06-15 17:13                     ` Ævar Arnfjörð Bjarmason
2017-06-15 21:06                       ` [PATCH v3 0/2] Add a FREE_AND_NULL() wrapper macro Ævar Arnfjörð Bjarmason
2017-06-15 22:00                         ` Junio C Hamano
2017-06-15 23:15                           ` [PATCH v4 0/6] Add a FREE_AND_NULL() wrapper macro Ævar Arnfjörð Bjarmason
2017-06-15 23:15                           ` [PATCH v4 1/6] git-compat-util: add a FREE_AND_NULL() wrapper around free(ptr); ptr = NULL Ævar Arnfjörð Bjarmason
2017-06-15 23:15                           ` [PATCH v4 2/6] coccinelle: add a rule to make "type" code use FREE_AND_NULL() Ævar Arnfjörð Bjarmason
2017-06-15 23:15                           ` [PATCH v4 3/6] coccinelle: make use of the "type" FREE_AND_NULL() rule Ævar Arnfjörð Bjarmason
2017-06-15 23:15                           ` [PATCH v4 4/6] coccinelle: add a rule to make "expression" code use FREE_AND_NULL() Ævar Arnfjörð Bjarmason
2017-06-16 19:43                             ` Junio C Hamano
2017-06-15 23:15                           ` [PATCH v4 5/6] coccinelle: make use of the "expression" FREE_AND_NULL() rule Ævar Arnfjörð Bjarmason
2017-06-15 23:15                           ` [PATCH v4 6/6] *.[ch] refactoring: make use of the FREE_AND_NULL() macro Ævar Arnfjörð Bjarmason
2017-06-15 21:06                       ` [PATCH v3 1/2] git-compat-util: add a FREE_AND_NULL() wrapper around free(ptr); ptr = NULL Ævar Arnfjörð Bjarmason
2017-06-15 21:07                       ` [PATCH v3 2/2] *.[ch] refactoring: make use of the FREE_AND_NULL() macro Ævar Arnfjörð Bjarmason
2017-06-10  6:55           ` Andreas Schwab
2017-06-09 22:04       ` [PATCH v2 2/2] *.[ch] refactoring: make use of the FREEZ() macro Ævar Arnfjörð Bjarmason
2017-06-09  8:53     ` [PATCH 1/2] git-compat-util: add a freez() wrapper around free(x); x = NULL Ævar Arnfjörð Bjarmason
2017-06-09 12:04       ` Christian Couder
2017-06-09  8:53     ` [PATCH 2/2] *.[ch] refactoring: make use of the freez() wrapper Ævar Arnfjörð Bjarmason
2017-06-09 10:12       ` Martin Ågren
2017-06-09 10:58         ` Ævar Arnfjörð Bjarmason
2017-06-09 14:48           ` Brandon Williams
2017-06-08 23:40   ` [PATCH v2 08/32] environment: place key repository state in the_repository Brandon Williams
2017-06-08 23:40   ` [PATCH v2 09/32] environment: store worktree in the_repository Brandon Williams
2017-06-08 23:40   ` [PATCH v2 10/32] setup: add comment indicating a hack Brandon Williams
2017-06-08 23:40   ` [PATCH v2 11/32] config: read config from a repository object Brandon Williams
2017-06-08 23:40   ` [PATCH v2 12/32] repository: add index_state to struct repo Brandon Williams
2017-06-08 23:40   ` [PATCH v2 13/32] submodule-config: store the_submodule_cache in the_repository Brandon Williams
2017-06-08 23:40   ` [PATCH v2 14/32] submodule: add repo_read_gitmodules Brandon Williams
2017-06-08 23:40   ` [PATCH v2 15/32] submodule: convert is_submodule_initialized to work on a repository Brandon Williams
2017-06-08 23:40   ` [PATCH v2 16/32] convert: convert get_cached_convert_stats_ascii to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 17/32] convert: convert crlf_to_git to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 18/32] convert: convert convert_to_git_filter_fd to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 19/32] convert: convert convert_to_git to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 20/32] convert: convert renormalize_buffer to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 21/32] tree: convert read_tree to take an index parameter Brandon Williams
2017-06-08 23:40   ` [PATCH v2 22/32] ls-files: convert overlay_tree_on_cache to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 23/32] ls-files: convert write_eolinfo to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 24/32] ls-files: convert show_killed_files to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 25/32] ls-files: convert show_other_files to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 26/32] ls-files: convert show_ru_info to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 27/32] ls-files: convert ce_excluded to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 28/32] ls-files: convert prune_cache to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 29/32] ls-files: convert show_files to take an index Brandon Williams
2017-06-08 23:40   ` [PATCH v2 30/32] ls-files: factor out debug info into a function Brandon Williams
2017-06-08 23:40   ` [PATCH v2 31/32] ls-files: factor out tag calculation Brandon Williams
2017-06-08 23:41   ` [PATCH v2 32/32] ls-files: use repository object Brandon Williams
2017-06-09  0:08     ` Brandon Williams
2017-06-10  5:59       ` Junio C Hamano
2017-06-12 21:24         ` Brandon Williams
2017-06-10  0:40   ` Jonathan Tan
2017-06-10  6:07     ` Jeff King
2017-06-10  6:13       ` Jeff King
2017-06-11  0:43         ` Brandon Williams
2017-06-12 19:10           ` Jonathan Tan
2017-06-11  0:35       ` Brandon Williams
2017-06-12  5:24       ` Stefan Beller [this message]
2017-06-12 21:23         ` Jeff King
2017-06-12 19:01       ` Jonathan Tan
2017-06-12 19:11         ` Brandon Williams
2017-06-12 20:04           ` Jonathan Tan
2017-06-12 21:28             ` Jeff King
2017-06-20 19:19   ` [PATCH v3 00/20] repository object Brandon Williams
2017-06-20 19:19     ` [PATCH v3 01/20] setup: don't perform lazy initialization of repository state Brandon Williams
2017-06-20 19:19     ` [PATCH v3 02/20] setup: add comment indicating a hack Brandon Williams
2017-06-20 19:19     ` [PATCH v3 03/20] environment: remove namespace_len variable Brandon Williams
2017-06-20 19:19     ` [PATCH v3 04/20] repository: introduce the repository object Brandon Williams
2017-06-20 19:57       ` Stefan Beller
2017-06-21 21:27         ` Brandon Williams
2017-06-21 21:31           ` Stefan Beller
2017-06-20 21:31       ` Jonathan Tan
2017-06-20 21:56         ` Brandon Williams
2017-06-20 19:19     ` [PATCH v3 05/20] environment: place key repository state in the_repository Brandon Williams
2017-06-20 21:59       ` Jonathan Tan
2017-06-20 19:19     ` [PATCH v3 06/20] environment: store worktree in the_repository Brandon Williams
2017-06-20 19:19     ` [PATCH v3 07/20] path: create path.h Brandon Williams
2017-06-20 19:19     ` [PATCH v3 08/20] path: always pass in commondir to update_common_dir Brandon Williams
2017-06-20 19:19     ` [PATCH v3 09/20] path: convert strbuf_git_common_path to take a 'struct repository' Brandon Williams
2017-06-20 19:19     ` [PATCH v3 10/20] path: convert do_git_path to take a 'struct repository' Brandon Williams
2017-06-20 22:23       ` Jonathan Tan
2017-06-21 21:20         ` Brandon Williams
2017-06-20 19:19     ` [PATCH v3 11/20] path: construct correct path to a worktree's index Brandon Williams
2017-06-20 21:10       ` Stefan Beller
2017-06-20 23:02       ` Jonathan Nieder
2017-06-21  0:39         ` Brandon Williams
2017-06-21  2:10       ` Jonathan Nieder
2017-06-21  2:30         ` Jonathan Nieder
2017-06-21 15:43         ` Brandon Williams
2017-06-21 17:57           ` Jonathan Nieder
2017-06-21 18:48             ` Junio C Hamano
2017-06-20 19:19     ` [PATCH v3 12/20] path: add repo_git_path and strbuf_repo_git_path Brandon Williams
2017-06-20 19:19     ` [PATCH v3 13/20] path: add repo_worktree_path and strbuf_repo_worktree_path Brandon Williams
2017-06-20 19:19     ` [PATCH v3 14/20] config: read config from a repository object Brandon Williams
2017-06-20 19:19     ` [PATCH v3 15/20] repository: add index_state to struct repo Brandon Williams
2017-06-21 22:50       ` Jonathan Tan
2017-06-21 22:54         ` Brandon Williams
2017-06-21 23:00           ` Stefan Beller
2017-06-20 19:19     ` [PATCH v3 16/20] submodule-config: store the_submodule_cache in the_repository Brandon Williams
2017-06-20 19:19     ` [PATCH v3 17/20] submodule: add repo_read_gitmodules Brandon Williams
2017-06-20 19:19     ` [PATCH v3 18/20] submodule: convert is_submodule_initialized to work on a repository Brandon Williams
2017-06-20 19:19     ` [PATCH v3 19/20] repository: enable initialization of submodules Brandon Williams
2017-06-21 23:00       ` Jonathan Tan
2017-06-21 23:09         ` Brandon Williams
2017-06-20 19:19     ` [PATCH v3 20/20] ls-files: use repository object Brandon Williams
2017-06-21 22:48       ` Jonathan Tan
2017-06-20 19:23     ` Stefan Beller
2017-06-22 18:43     ` [PATCH v4 00/20] repository object Brandon Williams
2017-06-22 18:43       ` [PATCH v4 01/20] setup: don't perform lazy initialization of repository state Brandon Williams
2017-06-22 18:43       ` [PATCH v4 02/20] setup: add comment indicating a hack Brandon Williams
2017-06-22 18:43       ` [PATCH v4 03/20] environment: remove namespace_len variable Brandon Williams
2017-06-22 18:43       ` [PATCH v4 04/20] repository: introduce the repository object Brandon Williams
2017-06-22 18:43       ` [PATCH v4 05/20] environment: place key repository state in the_repository Brandon Williams
2017-06-22 18:43       ` [PATCH v4 06/20] environment: store worktree in the_repository Brandon Williams
2017-06-22 18:43       ` [PATCH v4 07/20] path: create path.h Brandon Williams
2017-06-22 18:43       ` [PATCH v4 08/20] path: always pass in commondir to update_common_dir Brandon Williams
2017-06-22 18:43       ` [PATCH v4 09/20] path: convert strbuf_git_common_path to take a 'struct repository' Brandon Williams
2017-06-22 18:43       ` [PATCH v4 10/20] path: convert do_git_path to take a 'struct repository' Brandon Williams
2017-06-22 18:43       ` [PATCH v4 11/20] path: worktree_git_path() should not use file relocation Brandon Williams
2017-06-22 18:43       ` [PATCH v4 12/20] path: add repo_git_path and strbuf_repo_git_path Brandon Williams
2017-06-22 18:43       ` [PATCH v4 13/20] path: add repo_worktree_path and strbuf_repo_worktree_path Brandon Williams
2017-06-22 18:43       ` [PATCH v4 14/20] config: read config from a repository object Brandon Williams
2017-06-22 18:43       ` [PATCH v4 15/20] repository: add index_state to struct repo Brandon Williams
2017-06-22 20:16         ` Junio C Hamano
2017-06-22 20:35           ` Brandon Williams
2017-06-22 22:10             ` Junio C Hamano
2017-06-22 18:43       ` [PATCH v4 16/20] submodule-config: store the_submodule_cache in the_repository Brandon Williams
2017-06-22 18:43       ` [PATCH v4 17/20] submodule: add repo_read_gitmodules Brandon Williams
2017-06-22 18:43       ` [PATCH v4 18/20] submodule: convert is_submodule_initialized to work on a repository Brandon Williams
2017-06-22 18:43       ` [PATCH v4 19/20] repository: enable initialization of submodules Brandon Williams
2017-06-22 18:43       ` [PATCH v4 20/20] ls-files: use repository object Brandon Williams
2017-06-22 19:42       ` Stefan Beller
2017-06-23 16:44       ` Jeff Hostetler
2017-06-23 17:38         ` Junio C Hamano

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