Re: [PATCH v3 0/7] use oidset for skiplist + docs + tests + comment support

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On Mon, Aug 27 2018, Ævar Arnfjörð Bjarmason wrote:

> On Mon, Aug 27 2018, René Scharfe wrote:
>
>> Am 27.08.2018 um 09:37 schrieb Ævar Arnfjörð Bjarmason:
>>>
>>> On Sat, Aug 25 2018, René Scharfe wrote:
>>> [...]
>>> Now, I like yours much better. I'm just saying that currently the
>>> patch/commit message combo is confusing about *what* it's
>>> doing. I.e. let's not mix up the correction of docs that were always
>>> wrong with a non-change in the user facing implementation, and some
>>> internal optimization all in one patch.
>>
>> Now you have me confused.  Unsorted lists were always accepted, but the
>> documentation asked for a sorted one anyway, probably to avoid sorting
>> it with every use.  Switching the underlying data structure makes that a
>> moot point -- sortedness is no longer a concern at all -- not in the
>> code, and not for users.
>>
>> Inviting users to run the array implementation with unsorted lists is
>> not incorrect, but it also doesn't help anyone.  We could clarify that
>> sorted lists are preferred or recommended instead of required.  I don't
>> see value in perfecting the documentation of a quirk just before
>> removing it, though.
>
> I think it's easier to clarify step-by-step with code, so here's an my
> version of a v3 which implements what I was suggesting, but then of
> course while doing it I found other stuff to fix, changes since your
> v2:

Sorry for breaking threading, forgot In-Reply-To, which should be
https://public-inbox.org/git/c7cbc289-d86e-09dc-bdb3-b5496cf0b7ce@xxxxxx/

> René Scharfe (2):
>   fsck: use strbuf_getline() to read skiplist file
>
> None to the code.
>
> I changed some docs I add in earlier patches to now describe behavior
> in a past tense (and the s/sorted // change is earlier), and to change
> the docs to say that sorting the list on-disk is now pointless for
> optimization purposes, but did something in the past.
>
>   fsck: use oidset for skiplist
>
> There is now a test for the bug you were fixing in your 1/2.
>
> Ævar Arnfjörð Bjarmason (5):
>   fsck tests: setup of bogus commit object
>
> Fixing some test redundancies while I'm at it.
>
>   fsck tests: add a test for no skipList input
>
> We didn't test the most basic skipList invocation, fixed while I was
> at it...
>
>   fsck: document and test sorted skipList input
>
> Test that sorted & unsorted skipList input, and document that in the
> past we said this was required, but it never was, but what (ever so
> slight) optimization this gives us.
>
>   fsck: document and test commented & empty line skipList input
>
> We don't support comments or empty lines. Add tests for this not
> working, and explicitly document that it doesn't work (I for one tried
> it).
>
>   fsck: support comments & empty lines in skipList
>
> Ignoring comments and empty lines is very useful for a file format
> that might be human-edited (I maintain one such file). Support that,
> and document & test for it.
>
>  Documentation/config.txt        | 22 ++++++++++----
>  fsck.c                          | 48 ++++++++++-------------------
>  fsck.h                          |  8 +++--
>  t/t5504-fetch-receive-strict.sh | 53 ++++++++++++++++++++++++++++++---
>  4 files changed, 86 insertions(+), 45 deletions(-)



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