From: Elijah Newren <newren@gmail.com>
To: Derrick Stolee via GitGitGadget <gitgitgadget@gmail.com>
Cc: "Git Mailing List" <git@vger.kernel.org>,
"Junio C Hamano" <gitster@pobox.com>,
"Matheus Tavares Bernardino" <matheus.bernardino@usp.br>,
"Derrick Stolee" <stolee@gmail.com>,
"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
"Eric Sunshine" <sunshine@sunshineco.com>,
"René Scharfe" <l.s.r@web.de>,
"Derrick Stolee" <derrickstolee@github.com>
Subject: Re: [PATCH v4 00/10] Sparse index: delete ignored files outside sparse cone
Date: Fri, 27 Aug 2021 15:01:30 -0700 [thread overview]
Message-ID: <CABPp-BH2+Vq4gLnOyRg4AdNhZgZuFf5+XBW6JMmSzGxoppEctA@mail.gmail.com> (raw)
In-Reply-To: <CABPp-BG01tXnd_UhYJDX4Tm_EcXGju9CkB8BXU0XS-YAWEuaeQ@mail.gmail.com>
Sorry, one more thing...
On Fri, Aug 27, 2021 at 2:56 PM Elijah Newren <newren@gmail.com> wrote:
>
> On Tue, Aug 24, 2021 at 2:51 PM Derrick Stolee via GitGitGadget
> <gitgitgadget@gmail.com> wrote:
> > 8: febef675f05 ! 9: c19d93ec5d7 sparse-checkout: clear tracked sparse dirs
> > @@ Commit message
> > the sparse directory. This depends on the indexed version of the file,
> > so the sparse directory must be expanded.
> >
> > + We must take special care to look for untracked, non-ignored files in
> > + these directories before deleting them. We do not want to delete any
> > + meaningful work that the users were doing in those directories and
> > + perhaps forgot to add and commit before switching sparse-checkout
> > + definitions. Since those untracked files might be code files that
> > + generated ignored build output, also do not delete any ignored files
> > + from these directories in that case. The users can recover their state
> > + by resetting their sparse-checkout definition to include that directory
> > + and continue. Alternatively, they can see the warning that is presented
> > + and delete the directory themselves to regain the performance they
> > + expect.
Will deleting the directory regain the performance they expect, or is
another step needed? In other worse, will the sparsification of the
paths under the no-longer-needed directory into a sparse directory
entry just happen automatically as part of some other command like
commit/add, or do they need to manually run `git sparse-checkout
reapply`?
> > +
> > By deleting the sparse directories when changing scope (or running 'git
> > sparse-checkout reapply') we regain these performance benefits as if the
> > repository was in a clean state.
> > @@ Documentation/git-sparse-checkout.txt: case-insensitive check. This corrects for
> > 'git sparse-checkout set' command to reflect the expected cone in the working
> > directory.
> >
> > -+The cone mode sparse-checkout patterns will also remove ignored files that
> > -+are not within the sparse-checkout definition. This is important behavior
> > -+to preserve the performance of the sparse index, but also matches that
> > -+cone mode patterns care about directories, not files. If there exist files
> > -+that are untracked and not ignored, then Git will not delete files within
> > -+that directory other than the tracked files that are now out of scope.
> > -+These files should be removed manually to ensure Git can behave optimally.
> > ++When changing the sparse-checkout patterns in cone mode, Git will inspect each
> > ++tracked directory that is not within the sparse-checkout cone to see if it
> > ++contains any untracked files. If all of those files are ignored due to the
> > ++`.gitignore` patterns, then the directory will be deleted. If any of the
> > ++untracked files within that directory is not ignored, then no deletions will
> > ++occur within that directory and a warning message will appear. If these files
> > ++are important, then reset your sparse-checkout definition so they are included,
> > ++use `git add` and `git commit` to store them, then remove any remaining files
> > ++manually to ensure Git can behave optimally.
next prev parent reply other threads:[~2021-08-27 22:03 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-29 17:27 [PATCH 0/2] Sparse index: delete ignored files outside sparse cone Derrick Stolee via GitGitGadget
2021-07-29 17:27 ` [PATCH 1/2] t7519: rewrite sparse index test Derrick Stolee via GitGitGadget
2021-07-29 17:27 ` [PATCH 2/2] sparse-checkout: clear tracked sparse dirs Derrick Stolee via GitGitGadget
2021-07-30 13:52 ` Elijah Newren
2021-08-02 14:34 ` Derrick Stolee
2021-08-02 16:17 ` Elijah Newren
2021-08-05 1:55 ` Derrick Stolee
2021-08-05 3:54 ` Elijah Newren
2021-07-30 13:11 ` [PATCH 0/2] Sparse index: delete ignored files outside sparse cone Elijah Newren
2021-08-10 19:50 ` [PATCH v2 0/8] " Derrick Stolee via GitGitGadget
2021-08-10 19:50 ` [PATCH v2 1/8] t7519: rewrite sparse index test Derrick Stolee via GitGitGadget
2021-08-10 19:50 ` [PATCH v2 2/8] sparse-index: silently return when not using cone-mode patterns Derrick Stolee via GitGitGadget
2021-08-10 19:50 ` [PATCH v2 3/8] sparse-index: silently return when cache tree fails Derrick Stolee via GitGitGadget
2021-08-19 18:24 ` Elijah Newren
2021-08-20 15:04 ` Derrick Stolee
2021-08-10 19:50 ` [PATCH v2 4/8] unpack-trees: fix nested sparse-dir search Derrick Stolee via GitGitGadget
2021-08-10 19:50 ` [PATCH v2 5/8] sparse-checkout: create helper methods Derrick Stolee via GitGitGadget
2021-08-12 17:29 ` Derrick Stolee
2021-08-10 19:50 ` [PATCH v2 6/8] attr: be careful about sparse directories Derrick Stolee via GitGitGadget
2021-08-10 19:50 ` [PATCH v2 7/8] sparse-index: add SPARSE_INDEX_IGNORE_CONFIG flag Derrick Stolee via GitGitGadget
2021-08-10 19:50 ` [PATCH v2 8/8] sparse-checkout: clear tracked sparse dirs Derrick Stolee via GitGitGadget
2021-08-17 13:23 ` [PATCH v3 0/8] Sparse index: delete ignored files outside sparse cone Derrick Stolee via GitGitGadget
2021-08-17 13:23 ` [PATCH v3 1/8] t7519: rewrite sparse index test Derrick Stolee via GitGitGadget
2021-08-19 7:45 ` Johannes Schindelin
2021-08-20 15:09 ` Derrick Stolee
2021-08-20 16:40 ` Eric Sunshine
2021-08-17 13:23 ` [PATCH v3 2/8] sparse-index: silently return when not using cone-mode patterns Derrick Stolee via GitGitGadget
2021-08-17 13:23 ` [PATCH v3 3/8] sparse-index: silently return when cache tree fails Derrick Stolee via GitGitGadget
2021-08-17 13:23 ` [PATCH v3 4/8] unpack-trees: fix nested sparse-dir search Derrick Stolee via GitGitGadget
2021-08-19 8:01 ` Johannes Schindelin
2021-08-20 15:18 ` Derrick Stolee
2021-08-20 19:35 ` René Scharfe
2021-08-20 20:22 ` René Scharfe
2021-08-19 18:29 ` Elijah Newren
2021-08-17 13:23 ` [PATCH v3 5/8] sparse-checkout: create helper methods Derrick Stolee via GitGitGadget
2021-08-19 8:07 ` Johannes Schindelin
2021-08-20 15:30 ` Derrick Stolee
2021-08-17 13:23 ` [PATCH v3 6/8] attr: be careful about sparse directories Derrick Stolee via GitGitGadget
2021-08-19 8:11 ` Johannes Schindelin
2021-08-20 15:36 ` Derrick Stolee
2021-08-19 20:53 ` Elijah Newren
2021-08-20 15:39 ` Derrick Stolee
2021-08-20 16:05 ` Elijah Newren
2021-08-17 13:23 ` [PATCH v3 7/8] sparse-index: add SPARSE_INDEX_IGNORE_CONFIG flag Derrick Stolee via GitGitGadget
2021-08-18 18:59 ` Derrick Stolee
2021-08-17 13:23 ` [PATCH v3 8/8] sparse-checkout: clear tracked sparse dirs Derrick Stolee via GitGitGadget
2021-08-19 8:48 ` Johannes Schindelin
2021-08-20 15:49 ` Derrick Stolee
2021-08-20 16:15 ` Elijah Newren
2021-08-20 15:56 ` Elijah Newren
2021-08-23 20:00 ` Johannes Schindelin
2021-08-17 14:09 ` [PATCH v3 0/8] Sparse index: delete ignored files outside sparse cone Elijah Newren
2021-08-24 21:51 ` [PATCH v4 00/10] " Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 01/10] t7519: rewrite sparse index test Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 02/10] sparse-index: silently return when not using cone-mode patterns Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 03/10] sparse-index: silently return when cache tree fails Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 04/10] sparse-index: use WRITE_TREE_MISSING_OK Derrick Stolee via GitGitGadget
2021-08-27 21:33 ` Elijah Newren
2021-08-30 13:19 ` Derrick Stolee
2021-08-30 20:08 ` Elijah Newren
2021-08-24 21:51 ` [PATCH v4 05/10] unpack-trees: fix nested sparse-dir search Derrick Stolee via GitGitGadget
2021-08-24 22:21 ` René Scharfe
2021-08-25 1:09 ` Derrick Stolee
2021-08-24 21:51 ` [PATCH v4 06/10] sparse-checkout: create helper methods Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 07/10] attr: be careful about sparse directories Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 08/10] sparse-index: add SPARSE_INDEX_MEMORY_ONLY flag Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 09/10] sparse-checkout: clear tracked sparse dirs Derrick Stolee via GitGitGadget
2021-08-24 21:51 ` [PATCH v4 10/10] sparse-checkout: add config to disable deleting dirs Derrick Stolee via GitGitGadget
2021-08-27 20:58 ` Elijah Newren
2021-08-30 13:30 ` Derrick Stolee
2021-08-30 20:11 ` Elijah Newren
2021-08-27 21:56 ` [PATCH v4 00/10] Sparse index: delete ignored files outside sparse cone Elijah Newren
2021-08-27 22:01 ` Elijah Newren [this message]
2021-08-30 13:34 ` Derrick Stolee
2021-08-30 20:14 ` Elijah Newren
2021-08-30 13:54 ` Derrick Stolee
2021-08-30 20:23 ` Elijah Newren
2021-09-08 1:42 ` [PATCH v5 0/9] " Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 1/9] t7519: rewrite sparse index test Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 2/9] sparse-index: silently return when not using cone-mode patterns Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 3/9] unpack-trees: fix nested sparse-dir search Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 4/9] sparse-index: silently return when cache tree fails Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 5/9] sparse-index: use WRITE_TREE_MISSING_OK Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 6/9] sparse-checkout: create helper methods Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 7/9] attr: be careful about sparse directories Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 8/9] sparse-index: add SPARSE_INDEX_MEMORY_ONLY flag Derrick Stolee via GitGitGadget
2021-09-08 1:42 ` [PATCH v5 9/9] sparse-checkout: clear tracked sparse dirs Derrick Stolee via GitGitGadget
2021-09-08 5:21 ` [PATCH v5 0/9] Sparse index: delete ignored files outside sparse cone Junio C Hamano
2021-09-08 6:56 ` Junio C Hamano
2021-09-08 11:39 ` Derrick Stolee
2021-09-08 16:11 ` Junio C Hamano
2021-09-08 5:30 ` Elijah Newren
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