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

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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:

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(-)

-- 
2.19.0.rc0.228.g281dcd1b4d0




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