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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: Thomas Guyot <tguyot@gmail.com>,
	"brian m. carlson" <sandals@crustytoothpaste.net>,
	Taylor Blau <me@ttaylorr.com>,
	git@vger.kernel.org, Thomas Guyot-Sionnest <dermoth@aei.ca>
Subject: Re: [PATCH 2/2] Allow passing pipes for input pipes to diff --no-index
Date: Mon, 21 Sep 2020 13:14:13 -0700	[thread overview]
Message-ID: <xmqq1riuga5m.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <20200921193120.GB2399334@coredump.intra.peff.net> (Jeff King's message of "Mon, 21 Sep 2020 15:31:20 -0400")

Jeff King <peff@peff.net> writes:

> We'd sometimes wait several versions before that last step to give
> people time to adjust scripts, etc. But in this case, I suspect it would
> be OK to just flip it immediately. We don't consider "git diff" itself
> part of the stable plumbing, and the --no-index part of it I would
> consider even less stable. And AFAICT most people consider the current
> behavior a bug because it doesn't behave like other diff tools.

The "git diff" proper gets no filenames from the command line and
the above strictly applies only to the no-index mode, with or
without the explicit "--no-index" option.

It was a way to give Git niceties like colored diffs, renames,
etc. to non-Git managed two sets of paths, and the primary reason
why we have it as a mode of "git diff" is because we chose not to
bother with interacting with upstream maintainers of "diff".  In an
ideal world, "GNU diff" and others would have learned things like
renames, word diffs, etc., instead of "git diff" adding "--no-index"
mode.

And that makes me agree that users expect "git diff --no-index" to
behave like other people's diff and that is more important than
behaving like "git diff" for that mode.

  reply	other threads:[~2020-09-21 20:14 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-18 11:32 Allow passing pipes to diff --no-index + bugfix Thomas Guyot-Sionnest
2020-09-18 11:32 ` [PATCH 1/2] diff: Fix modified lines stats with --stat and --numstat Thomas Guyot-Sionnest
2020-09-18 14:46   ` Taylor Blau
2020-09-18 15:10     ` Thomas Guyot-Sionnest
2020-09-18 17:37       ` Jeff King
2020-09-18 18:00         ` Thomas Guyot-Sionnest
2020-09-20  4:53       ` Thomas Guyot
2020-09-18 17:27   ` Jeff King
2020-09-18 17:52     ` Thomas Guyot-Sionnest
2020-09-18 18:06       ` Junio C Hamano
2020-09-23 19:16         ` Johannes Schindelin
2020-09-23 19:23           ` Junio C Hamano
2020-09-23 20:44             ` Johannes Schindelin
2020-09-24  4:49               ` Thomas Guyot
2020-09-24  5:24                 ` [PATCH v3] " Thomas Guyot-Sionnest
2020-09-24  7:41                   ` [PATCH v4] " Thomas Guyot-Sionnest
2020-09-24  6:40                 ` [PATCH 1/2] " Junio C Hamano
2020-09-24  7:13                   ` Thomas Guyot
2020-09-24 17:19                     ` Junio C Hamano
2020-09-24 17:38                       ` Junio C Hamano
2020-09-23 15:05     ` Johannes Schindelin
2020-09-20 13:09   ` [PATCH v2] " Thomas Guyot-Sionnest
2020-09-20 15:39     ` Taylor Blau
2020-09-20 16:38       ` Thomas Guyot
2020-09-20 19:11       ` Junio C Hamano
2020-09-20 20:08         ` Junio C Hamano
2020-09-20 20:36         ` Junio C Hamano
2020-09-20 22:15           ` Junio C Hamano
2020-09-21 19:26         ` Jeff King
2020-09-21 21:51           ` Junio C Hamano
2020-09-21 22:20             ` Jeff King
2020-09-21 22:37               ` Junio C Hamano
2020-09-18 11:32 ` [PATCH 2/2] Allow passing pipes for input pipes to diff --no-index Thomas Guyot-Sionnest
2020-09-18 14:36   ` Taylor Blau
2020-09-18 16:34     ` Thomas Guyot-Sionnest
2020-09-18 17:19       ` Jeff King
2020-09-18 17:21         ` Jeff King
2020-09-18 17:39         ` Thomas Guyot-Sionnest
2020-09-18 17:48         ` Junio C Hamano
2020-09-18 18:02           ` Jeff King
2020-09-20 12:54             ` Thomas Guyot
2020-09-21 19:31               ` Jeff King
2020-09-21 20:14                 ` Junio C Hamano [this message]
2020-09-18 17:58       ` Taylor Blau
2020-09-18 18:05         ` Jeff King
2020-09-18 17:20     ` Jeff King
2020-09-18 18:00       ` Taylor Blau
2020-09-18 21:56   ` brian m. carlson
2020-09-18 17:51 ` Allow passing pipes to diff --no-index + bugfix Junio C Hamano
2020-09-18 18:24   ` Thomas Guyot-Sionnest

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