From: Junio C Hamano <gitster@pobox.com>
To: David Turner <dturner@twopensource.com>
Cc: "Michael Haggerty" <mhagger@alum.mit.edu>,
"Jeff King" <peff@peff.net>,
"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
"Ramsay Jones" <ramsay@ramsayjones.plus.com>,
git@vger.kernel.org
Subject: Re: [PATCH v2 00/33] Yet more preparation for reference backends
Date: Mon, 09 May 2016 14:05:04 -0700 [thread overview]
Message-ID: <xmqqinynt01r.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <1462824758.24478.37.camel@twopensource.com> (David Turner's message of "Mon, 09 May 2016 16:12:38 -0400")
David Turner <dturner@twopensource.com> writes:
> On Fri, 2016-05-06 at 18:13 +0200, Michael Haggerty wrote:
>> Thanks to David, Junio, and Peff for their comments on v1 of this
>> patch series [1]. I think I have addressed all of the points that
>> were
>> brought up. Plus I fixed a pre-existing bug that I noticed myself
>> while adding some more tests; see the first bullet point below for
>> more information.
>>
>> Changes between v1 and v2:
>>
>> * Prefixed the patch series with three new patches that demonstrate
>> and fix some bugs in reference resolution that I noticed while
>> inspecting this series:
>>
>> * "t1404: demonstrate a bug resolving references" -- this
>> demonstrates a bug that has existed since at least 2.5.0.
>> * "read_raw_ref(): don't get confused by an empty directory"
>> * "commit_ref(): if there is an empty dir in the way, delete it"
>
> I generally like to put the bug fixes before the tests for those fixes
> (so that bisect on the complete suite works). But maybe the git policy
> is different.
The Git policy only asks not to break bisection.
As long as patch that adds a new test that comes before a patch that
fixes the issue marks the new test with test_expect_failure, and a
later patch that fixes the issue turns it into test_expect_success,
bisection would not break.
The "demonstrate an existing breakage first" order makes it slightly
easier to review and follow a long series, as it forces the reviewer
to see the issue first and think about possible avenues to solve it
for themselves, before seeing a paticular solution. For a trivial
single-issue fix, it is not necessary (including a fix and a test to
protect the fix from future breakage in the same patch is a norm).
next prev parent reply other threads:[~2016-05-09 21:05 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-06 16:13 [PATCH v2 00/33] Yet more preparation for reference backends Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 01/33] t1404: demonstrate a bug resolving references Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 02/33] commit_ref(): if there is an empty dir in the way, delete it Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 03/33] read_raw_ref(): don't get confused by an empty directory Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 04/33] safe_create_leading_directories(): improve docstring Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 05/33] remove_dir_recursively(): add docstring Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 06/33] refname_is_safe(): use skip_prefix() Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 07/33] refname_is_safe(): don't allow the empty string Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 08/33] refname_is_safe(): insist that the refname already be normalized Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 09/33] commit_ref_update(): write error message to *err, not stderr Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 10/33] rename_ref(): remove unneeded local variable Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 11/33] ref_transaction_commit(): remove local variable n Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 12/33] read_raw_ref(): rename flags argument to type Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 13/33] read_raw_ref(): clear *type at start of function Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 14/33] read_raw_ref(): rename symref argument to referent Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 15/33] read_raw_ref(): improve docstring Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 16/33] read_raw_ref(): move docstring to header file Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 17/33] lock_ref_sha1_basic(): remove unneeded local variable Michael Haggerty
2016-05-06 16:13 ` [PATCH v2 18/33] refs: make error messages more consistent Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 19/33] ref_transaction_create(): disallow recursive pruning Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 20/33] ref_transaction_commit(): correctly report close_ref() failure Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 21/33] delete_branches(): use resolve_refdup() Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 22/33] refs: allow log-only updates Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 23/33] refs: don't dereference on rename Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 24/33] verify_refname_available(): adjust constness in declaration Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 25/33] add_update(): initialize the whole ref_update Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 26/33] lock_ref_for_update(): new function Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 27/33] unlock_ref(): move definition higher in the file Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 28/33] ref_transaction_update(): check refname_is_safe() at a minimum Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 29/33] refs: resolve symbolic refs first Michael Haggerty
2016-05-12 7:45 ` Jeff King
2016-05-12 8:25 ` Jeff King
2016-05-13 12:33 ` Michael Haggerty
2016-05-13 12:35 ` [PATCH v3 " Michael Haggerty
2016-05-13 12:58 ` Jeff King
2016-05-13 12:51 ` [PATCH v2 " Jeff King
2016-05-14 9:02 ` Torsten Bögershausen
2016-05-06 16:14 ` [PATCH v2 30/33] lock_ref_for_update(): don't re-read non-symbolic references Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 31/33] lock_ref_for_update(): don't resolve symrefs Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 32/33] commit_ref_update(): remove the flags parameter Michael Haggerty
2016-05-06 16:14 ` [PATCH v2 33/33] lock_ref_sha1_basic(): only handle REF_NODEREF mode Michael Haggerty
2016-05-09 20:12 ` [PATCH v2 00/33] Yet more preparation for reference backends David Turner
2016-05-09 21:05 ` Junio C Hamano [this message]
2016-05-09 21:50 ` Michael Haggerty
2016-05-09 22:04 ` Junio C Hamano
2016-05-12 7:55 ` Jeff King
2016-05-12 16:10 ` Junio C Hamano
2016-05-10 21:32 ` Junio C Hamano
2016-06-10 12:50 ` Michael Haggerty
2016-06-10 15:43 ` Junio C Hamano
2016-06-13 9:55 ` [ADDENDUM v4] " Michael Haggerty
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