From: Elijah Newren <newren@gmail.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: Elijah Newren via GitGitGadget <gitgitgadget@gmail.com>,
Git Mailing List <git@vger.kernel.org>,
Fedor Biryukov <fedor.birjukov@gmail.com>,
Philip Oakley <philipoakley@iee.email>,
Phillip Wood <phillip.wood123@gmail.com>,
Eric Sunshine <sunshine@sunshineco.com>
Subject: Re: [PATCH v3 04/11] unpack-trees: introduce preserve_ignored to unpack_trees_options
Date: Wed, 29 Sep 2021 21:25:20 -0700 [thread overview]
Message-ID: <CABPp-BEEWPF6oBN69PH_GtmqqvAj1HMtDX5ipQxa2bLzyCCu0g@mail.gmail.com> (raw)
In-Reply-To: <87ee97utaq.fsf@evledraar.gmail.com>
On Wed, Sep 29, 2021 at 11:32 AM Ævar Arnfjörð Bjarmason
<avarab@gmail.com> wrote:
>
> On Wed, Sep 29 2021, Elijah Newren wrote:
>
> > On Wed, Sep 29, 2021 at 2:27 AM Ævar Arnfjörð Bjarmason
> > <avarab@gmail.com> wrote:
> >>
...
> >>
> >> I think getting rid of the boilerplate makes sense, but it doesn't sound
> >> from the commit message like you've considered just making that "struct
> >> dir*" member a "struct dir" instead.
> >>
> >> That simplifies things a lot, i.e. we can just DIR_INIT it, and don't
> >> need every caller to malloc/free it.
> >
> > See the next patch in the series. :-)
>
> Ah!
>
> >> Sometimes a pointer makes sense, but in this case the "struct
> >> unpack_trees_options" can just own it.
> >
> > I did make it internal to unpack_trees_options in the next patch, but
> > kept it as a pointer just because that let me know whether it was used
> > or not. I guess I could have added a boolean as well. But I don't
> > actually allocate anything, because it's either a NULL pointer, or a
> > pointer to something on the stack. So, I do get to just use DIR_INIT.
>
> I think I'm probably missing something. I just made it allocated on the
> stack by the caller using "struct unpack_trees_options", but then you
> end up having a dir* in the struct, but that's only filled in as a
> pointer to the stack variable? Maybe there's some subtlety I'm missing
> here...
As per the next patch:
int unpack_trees(..., struct unpack_trees_options *o)
{
struct dir_struct dir = DIR_INIT;
...
if (!o->preserve_ignored) {
/* Setup 'dir', make o->dir point to it */
....
o->dir = &dir;
}
...
if (o->dir)
/* cleanup */
....
}
The caller doesn't touch o->dir (other than initializing it to zeros);
unpack_trees() is wholly responsible for it. I'd kind of like to
entirely remove dir from unpack_trees_options(), but I need a way of
passing it down through all the other functions in unpack-trees.c, and
leaving it in unpack_trees_options seems the easiest way to do so. So
I just marked it as "for internal use only".
next prev parent reply other threads:[~2021-09-30 4:25 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-18 23:15 [PATCH 0/6] Fix various issues around removal of untracked files/directories Elijah Newren via GitGitGadget
2021-09-18 23:15 ` [PATCH 1/6] t2500: add various tests for nuking untracked files Elijah Newren via GitGitGadget
2021-09-19 13:44 ` Ævar Arnfjörð Bjarmason
2021-09-20 14:48 ` Elijah Newren
2021-09-18 23:15 ` [PATCH 2/6] Split unpack_trees 'reset' flag into two for untracked handling Elijah Newren via GitGitGadget
2021-09-19 13:48 ` Ævar Arnfjörð Bjarmason
2021-09-20 15:20 ` Elijah Newren
2021-09-20 10:19 ` Phillip Wood
2021-09-20 16:05 ` Elijah Newren
2021-09-20 18:11 ` Phillip Wood
2021-09-24 2:27 ` Elijah Newren
2021-09-18 23:15 ` [PATCH 3/6] unpack-trees: avoid nuking untracked dir in way of unmerged file Elijah Newren via GitGitGadget
2021-09-18 23:15 ` [PATCH 4/6] unpack-trees: avoid nuking untracked dir in way of locally deleted file Elijah Newren via GitGitGadget
2021-09-19 13:52 ` Ævar Arnfjörð Bjarmason
2021-09-20 16:12 ` Elijah Newren
2021-09-18 23:15 ` [PATCH 5/6] Comment important codepaths regarding nuking untracked files/dirs Elijah Newren via GitGitGadget
2021-09-24 11:47 ` Luke Diamand
2021-09-24 13:41 ` Elijah Newren
2021-09-18 23:15 ` [PATCH 6/6] Documentation: call out commands that nuke untracked files/directories Elijah Newren via GitGitGadget
2021-09-19 10:52 ` Philip Oakley
2021-09-19 13:36 ` Philip Oakley
2021-09-20 16:29 ` Elijah Newren
2021-09-24 6:37 ` [PATCH v2 0/6] Fix various issues around removal of " Elijah Newren via GitGitGadget
2021-09-24 6:37 ` [PATCH v2 1/6] t2500: add various tests for nuking untracked files Elijah Newren via GitGitGadget
2021-09-24 6:37 ` [PATCH v2 2/6] Change unpack_trees' 'reset' flag into an enum Elijah Newren via GitGitGadget
2021-09-24 17:35 ` Junio C Hamano
2021-09-26 6:50 ` Elijah Newren
2021-09-24 6:37 ` [PATCH v2 3/6] unpack-trees: avoid nuking untracked dir in way of unmerged file Elijah Newren via GitGitGadget
2021-09-24 6:37 ` [PATCH v2 4/6] unpack-trees: avoid nuking untracked dir in way of locally deleted file Elijah Newren via GitGitGadget
2021-09-24 6:37 ` [PATCH v2 5/6] Comment important codepaths regarding nuking untracked files/dirs Elijah Newren via GitGitGadget
2021-09-24 17:50 ` Eric Sunshine
2021-09-26 6:35 ` Elijah Newren
2021-09-24 6:37 ` [PATCH v2 6/6] Documentation: call out commands that nuke untracked files/directories Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 00/11] Fix various issues around removal of " Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 01/11] t2500: add various tests for nuking untracked files Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 02/11] checkout, read-tree: fix leak of unpack_trees_options.dir Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 03/11] read-tree, merge-recursive: overwrite ignored files by default Elijah Newren via GitGitGadget
2021-12-13 17:12 ` Jack O'Connor
2021-12-13 20:10 ` Elijah Newren
2021-09-27 16:33 ` [PATCH v3 04/11] unpack-trees: introduce preserve_ignored to unpack_trees_options Elijah Newren via GitGitGadget
2021-09-29 9:22 ` Ævar Arnfjörð Bjarmason
2021-09-29 15:35 ` Elijah Newren
2021-09-29 18:30 ` Ævar Arnfjörð Bjarmason
2021-09-30 4:25 ` Elijah Newren [this message]
2021-09-30 14:04 ` Ævar Arnfjörð Bjarmason
2021-10-01 1:53 ` Elijah Newren
2021-10-01 8:15 ` Ævar Arnfjörð Bjarmason
2021-10-01 9:53 ` Ævar Arnfjörð Bjarmason
2021-10-01 18:50 ` Elijah Newren
2021-10-02 8:44 ` Ævar Arnfjörð Bjarmason
2021-10-03 22:21 ` Ævar Arnfjörð Bjarmason
2021-10-04 13:45 ` Elijah Newren
2021-10-04 13:45 ` Elijah Newren
2021-10-04 14:07 ` Ævar Arnfjörð Bjarmason
2021-10-04 14:57 ` Elijah Newren
2021-09-27 16:33 ` [PATCH v3 05/11] unpack-trees: make dir an internal-only struct Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 06/11] Remove ignored files by default when they are in the way Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 07/11] Change unpack_trees' 'reset' flag into an enum Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 08/11] unpack-trees: avoid nuking untracked dir in way of unmerged file Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 09/11] unpack-trees: avoid nuking untracked dir in way of locally deleted file Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 10/11] Comment important codepaths regarding nuking untracked files/dirs Elijah Newren via GitGitGadget
2021-09-27 16:33 ` [PATCH v3 11/11] Documentation: call out commands that nuke untracked files/directories Elijah Newren via GitGitGadget
2021-09-27 20:36 ` [PATCH v3 00/11] Fix various issues around removal of " Junio C Hamano
2021-09-27 20:41 ` Elijah Newren
2021-09-27 21:31 ` Elijah Newren
2021-09-30 14:00 ` Phillip Wood
[not found] ` <aaa8ea3b-0902-f9e6-c1a4-0ca2b1b2f57b@gmail.com>
2021-10-01 2:08 ` Elijah Newren
2021-10-04 1:11 ` [RFC PATCH v4 00/10] " Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 01/10] t2500: add various tests for nuking untracked files Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 02/10] read-tree, merge-recursive: overwrite ignored files by default Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 03/10] unpack-trees: introduce preserve_ignored to unpack_trees_options Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 04/10] unpack-trees: rename "dir" to "private_dir" Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 05/10] Remove ignored files by default when they are in the way Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 06/10] Change unpack_trees' 'reset' flag into an enum Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 07/10] unpack-trees: avoid nuking untracked dir in way of unmerged file Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 08/10] unpack-trees: avoid nuking untracked dir in way of locally deleted file Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 09/10] Comment important codepaths regarding nuking untracked files/dirs Ævar Arnfjörð Bjarmason
2021-10-04 1:11 ` [RFC PATCH v4 10/10] Documentation: call out commands that nuke untracked files/directories Ævar Arnfjörð Bjarmason
2021-10-04 14:38 ` [RFC PATCH v4 00/10] Fix various issues around removal of " Elijah Newren
2021-10-04 16:08 ` Ævar Arnfjörð Bjarmason
2021-10-05 7:40 ` Elijah Newren
2021-10-04 18:17 ` Junio C Hamano
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