From: Junio C Hamano <gitster@pobox.com>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: Eric Sunshine <sunshine@sunshineco.com>, Git List <git@vger.kernel.org>
Subject: Re: [PATCH 5/5] format-patch: avoid freopen()
Date: Wed, 22 Jun 2016 10:53:47 -0700 [thread overview]
Message-ID: <xmqqpor9m7o4.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1606221811300.10382@virtualbox> (Johannes Schindelin's message of "Wed, 22 Jun 2016 18:14:43 +0200 (CEST)")
Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:
> Well, if I change `rev.diffopt.use_color != GIT_COLOR_ALWAYS` to
> `rev.diffopt.use_color == GIT_COLOR_AUTO`, then the files will contain
> ugly ANSI color sequences if I run `git format-patch -o . -3`.
>
> The reason is, as I tried to explain, that the use_color field is *not*
> initialized to GIT_COLOR_AUTO (which is equivalent to 2), but to -1.
OK. I thought forcing no-color only when it is set to COLOR_AUTO or
it is set to -1 (the default) would be safer, but I changed my mind.
"when we add a new --color=<something.we.do.not.know.yet>,
overriding that end-user wish with the unconditional no-color is
likely to be seen as bug." was the implicit bias behind that
suggestion, but that is not substanticated and substatiatable.
If we write
if (rev.diffopt.use_color != GIT_COLOR_ALWAYS)
rev.diffopt.use_color = 0;
and if a user of --color=<something.we.do.not.know.yet> wonders why
her output is not colored, it is clear in the code above that we
disable unless it is set with --color=always, so it won't make
fixing such a future breakage harder. In fact, if we did
if (rev.diffopt.use_color == GIT_COLOR_AUTO ||
rev.diffopt.use_color < 0)
rev.diffopt.use_color = 0;
it would make it _harder_ to spot where use_color is turned off when
the person who debugs such an issue.
Thanks.
next prev parent reply other threads:[~2016-06-22 17:53 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-18 10:03 [PATCH 0/5] Let log-tree and friends respect diffopt's `file` field Johannes Schindelin
2016-06-18 10:03 ` [PATCH 1/5] log-tree: respect diffopt's configured output file stream Johannes Schindelin
2016-06-18 10:03 ` [PATCH 2/5] line-log: " Johannes Schindelin
2016-06-18 10:04 ` [PATCH 3/5] graph: respect the diffopt.file setting Johannes Schindelin
2016-06-18 10:04 ` [PATCH 4/5] shortlog: support outputting to streams other than stdout Johannes Schindelin
2016-06-18 10:04 ` [PATCH 5/5] format-patch: avoid freopen() Johannes Schindelin
2016-06-19 20:01 ` Eric Sunshine
2016-06-20 6:26 ` Johannes Schindelin
2016-06-20 6:32 ` Eric Sunshine
2016-06-20 10:09 ` Johannes Schindelin
2016-06-20 16:03 ` Junio C Hamano
2016-06-21 7:15 ` Johannes Schindelin
2016-06-21 16:50 ` Junio C Hamano
2016-06-22 7:24 ` Johannes Schindelin
2016-06-22 15:49 ` Junio C Hamano
2016-06-22 16:14 ` Johannes Schindelin
2016-06-22 17:37 ` Junio C Hamano
2016-06-22 17:53 ` Junio C Hamano [this message]
2016-06-20 10:55 ` [PATCH v2 0/7] Let log-tree and friends respect diffopt's `file` field Johannes Schindelin
2016-06-20 10:55 ` [PATCH v2 1/7] log-tree: respect diffopt's configured output file stream Johannes Schindelin
2016-06-20 17:01 ` Junio C Hamano
2016-06-21 7:31 ` Johannes Schindelin
2016-06-21 7:38 ` Johannes Schindelin
2016-06-21 10:39 ` Johannes Schindelin
2016-06-20 10:55 ` [PATCH v2 2/7] line-log: " Johannes Schindelin
2016-06-20 10:55 ` [PATCH v2 3/7] graph: respect the diffopt.file setting Johannes Schindelin
2016-06-20 10:55 ` [PATCH v2 4/7] shortlog: support outputting to streams other than stdout Johannes Schindelin
2016-06-20 10:55 ` [PATCH v2 5/7] format-patch: explicitly switch off color when writing to files Johannes Schindelin
2016-06-20 10:55 ` [PATCH v2 6/7] format-patch: avoid freopen() Johannes Schindelin
2016-06-20 10:56 ` [PATCH v2 7/7] format-patch: use stdout directly Johannes Schindelin
2016-06-20 18:57 ` Junio C Hamano
2016-06-20 11:50 ` [PATCH v2 0/7] Let log-tree and friends respect diffopt's `file` field Johannes Schindelin
2016-06-21 10:34 ` [PATCH v3 0/9] " Johannes Schindelin
2016-06-21 10:34 ` [PATCH v3 1/9] am: stop ignoring errors reported by log_tree_diff() Johannes Schindelin
2016-06-21 18:59 ` Junio C Hamano
2016-06-22 12:21 ` Johannes Schindelin
2016-06-21 10:34 ` [PATCH v3 2/9] Disallow diffopt.close_file when using the log_tree machinery Johannes Schindelin
2016-06-21 18:14 ` Junio C Hamano
2016-06-21 19:05 ` Junio C Hamano
2016-06-21 19:32 ` Junio C Hamano
2016-06-22 15:17 ` Johannes Schindelin
2016-06-21 10:34 ` [PATCH v3 3/9] log-tree: respect diffopt's configured output file stream Johannes Schindelin
2016-06-21 10:35 ` [PATCH v3 4/9] line-log: " Johannes Schindelin
2016-06-21 10:35 ` [PATCH v3 5/9] graph: respect the diffopt.file setting Johannes Schindelin
2016-06-21 10:35 ` [PATCH v3 6/9] shortlog: support outputting to streams other than stdout Johannes Schindelin
2016-06-21 10:35 ` [PATCH v3 7/9] format-patch: explicitly switch off color when writing to files Johannes Schindelin
2016-06-21 10:35 ` [PATCH v3 8/9] format-patch: avoid freopen() Johannes Schindelin
2016-06-21 10:35 ` [PATCH v3 9/9] format-patch: use stdout directly Johannes Schindelin
2016-06-21 13:47 ` [PATCH v3 0/9] Let log-tree and friends respect diffopt's `file` field Paul Tan
2016-06-21 14:12 ` Johannes Schindelin
2016-06-22 9:23 ` Paul Tan
2016-06-22 15:01 ` [PATCH v4 00/10] " Johannes Schindelin
2016-06-22 15:01 ` [PATCH v4 01/10] Prepare log/log-tree to reuse the diffopt.close_file attribute Johannes Schindelin
2016-06-24 20:56 ` Junio C Hamano
2016-06-26 6:56 ` Johannes Schindelin
2016-06-22 15:01 ` [PATCH v4 02/10] log-tree: respect diffopt's configured output file stream Johannes Schindelin
2016-06-22 15:01 ` [PATCH v4 03/10] line-log: " Johannes Schindelin
2016-06-22 15:01 ` [PATCH v4 04/10] graph: respect the diffopt.file setting Johannes Schindelin
2016-06-22 15:01 ` [PATCH v4 05/10] shortlog: support outputting to streams other than stdout Johannes Schindelin
2016-06-22 15:01 ` [PATCH v4 06/10] format-patch: explicitly switch off color when writing to files Johannes Schindelin
2016-06-24 22:01 ` Junio C Hamano
2016-06-26 6:49 ` Johannes Schindelin
2016-06-22 15:01 ` [PATCH v4 07/10] format-patch: avoid freopen() Johannes Schindelin
2016-06-22 15:02 ` [PATCH v4 08/10] format-patch: use stdout directly Johannes Schindelin
2016-06-24 22:03 ` Junio C Hamano
2016-06-22 15:02 ` [PATCH v4 09/10] shortlog: respect the --output=<file> setting Johannes Schindelin
2016-06-22 15:02 ` [PATCH v4 10/10] Ensure that log respects --output=<file> Johannes Schindelin
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