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From: Jeff King <peff@peff.net>
To: Jim Pryor <dubiousjim@gmail.com>
Cc: Junio C Hamano <gitster@pobox.com>, git@vger.kernel.org
Subject: [PATCH 0/3] handling pathspec magic with --follow
Date: Thu, 1 Jun 2023 13:37:24 -0400	[thread overview]
Message-ID: <20230601173724.GA4158369@coredump.intra.peff.net> (raw)
In-Reply-To: <51012e79-c6ce-41dd-9755-960e065214ef@app.fastmail.com>

On Sat, May 27, 2023 at 09:00:27PM +0200, Jim Pryor wrote:

> Confirmed I have log.follow = true, and also GIT_NOGLOB_PATHSPECS set,
> thus the explicit `(glob)` magic.

OK, all of that makes sense. The same problem hits ":(icase)" and other
pathspec magic, too. So talking about :(glob) too much is kind of a red
herring, anyway.

> I'd be happy with --follow not working with the wildcard pathspecs,
> but with the crash avoided.

Here's a series that I think should improve things for you. For an
explicit --follow, it finds the forbidden magic sooner (which gives us a
nice error message instead of the BUG()), and for log.follow, it avoids
follow-mode when forbidden pathspecs are used rather than enabling it
and then complaining.

The interesting bits are in the third patch. The other two are
preparatory.

  [1/3]: pathspec: factor out magic-to-name function
  [2/3]: diff: factor out --follow pathspec check
  [3/3]: diff: detect pathspec magic not supported by --follow

 builtin/log.c  |  2 +-
 diff.c         | 29 +++++++++++++++++++++++++++--
 diff.h         |  7 +++++++
 pathspec.c     | 19 ++++++++++++-------
 pathspec.h     |  8 ++++++++
 t/t4202-log.sh | 15 +++++++++++++++
 6 files changed, 70 insertions(+), 10 deletions(-)


  reply	other threads:[~2023-06-01 17:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-27 13:53 git 2.40.1 tree-diff crashes with (glob) magic on pathspecs Jim Pryor
2023-05-27 17:39 ` Jeff King
2023-05-27 19:00   ` Jim Pryor
2023-06-01 17:37     ` Jeff King [this message]
2023-06-01 17:38       ` [PATCH 1/3] pathspec: factor out magic-to-name function Jeff King
2023-06-01 17:41       ` [PATCH 2/3] diff: factor out --follow pathspec check Jeff King
2023-06-01 17:43       ` [PATCH 3/3] diff: detect pathspec magic not supported by --follow Jeff King
2023-06-02  7:27         ` Junio C Hamano
2023-06-15  7:26           ` Jeff King
2023-06-15 19:00             ` Junio C Hamano
2023-06-01  5:38   ` git 2.40.1 tree-diff crashes with (glob) magic on pathspecs Junio C Hamano
2023-06-01 13:30     ` Jeff King

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