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From: Brandon Williams <bmwill@google.com>
To: Stefan Beller <sbeller@google.com>
Cc: Michael J Gruber <git@drmicha.warpmail.net>,
	git <git@vger.kernel.org>, Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v2 3/4] diff: add flag to indicate textconv was set via cmdline
Date: Mon, 30 Oct 2017 13:48:06 -0700	[thread overview]
Message-ID: <20171030204806.GE125460@google.com> (raw)
In-Reply-To: <20171030204447.GD125460@google.com>

On 10/30, Brandon Williams wrote:
> On 10/30, Stefan Beller wrote:
> > On Mon, Oct 30, 2017 at 12:46 PM, Brandon Williams <bmwill@google.com> wrote:
> > > git-show is unique in that it wants to use textconv by default except
> > > for when it is showing blobs.  When asked to show a blob, show doesn't
> > > want to use textconv unless the user explicitly requested that it be
> > > used by providing the command line flag '--textconv'.
> > >
> > > Currently this is done by using a parallel set of 'touched' flags which
> > > get set every time a particular flag is set or cleared.  In a future
> > > patch we want to eliminate this parallel set of flags so instead of
> > > relying on if the textconv flag has been touched, add a new flag
> > > 'TEXTCONV_SET_VIA_CMDLINE' which is only set if textconv is requested
> > > via the command line.
> > 
> > Is it worth mentioning 4197361e39 (Merge branch 'mg/more-textconv',
> > 2013-10-23), that introduced the touched_flags?
> > (+cc Michael Gruber FYI)
> > 
> > > Signed-off-by: Brandon Williams <bmwill@google.com>
> > > ---
> > >  builtin/log.c | 2 +-
> > >  diff.c        | 8 +++++---
> > >  diff.h        | 1 +
> > >  3 files changed, 7 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/builtin/log.c b/builtin/log.c
> > > index dc28d43eb..82131751d 100644
> > > --- a/builtin/log.c
> > > +++ b/builtin/log.c
> > > @@ -485,7 +485,7 @@ static int show_blob_object(const struct object_id *oid, struct rev_info *rev, c
> > >         unsigned long size;
> > >
> > >         fflush(rev->diffopt.file);
> > > -       if (!DIFF_OPT_TOUCHED(&rev->diffopt, ALLOW_TEXTCONV) ||
> > > +       if (!DIFF_OPT_TST(&rev->diffopt, TEXTCONV_SET_VIA_CMDLINE) ||
> > >             !DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV))
> > >                 return stream_blob_to_fd(1, oid, NULL, 0);
> > >
> > > diff --git a/diff.c b/diff.c
> > > index 3ad9c9b31..8b700b1bd 100644
> > > --- a/diff.c
> > > +++ b/diff.c
> > > @@ -4762,11 +4762,13 @@ int diff_opt_parse(struct diff_options *options,
> > >                 DIFF_OPT_SET(options, ALLOW_EXTERNAL);
> > >         else if (!strcmp(arg, "--no-ext-diff"))
> > >                 DIFF_OPT_CLR(options, ALLOW_EXTERNAL);
> > > -       else if (!strcmp(arg, "--textconv"))
> > > +       else if (!strcmp(arg, "--textconv")) {
> > >                 DIFF_OPT_SET(options, ALLOW_TEXTCONV);
> > > -       else if (!strcmp(arg, "--no-textconv"))
> > > +               DIFF_OPT_SET(options, TEXTCONV_SET_VIA_CMDLINE);
> > > +       } else if (!strcmp(arg, "--no-textconv")) {
> > >                 DIFF_OPT_CLR(options, ALLOW_TEXTCONV);
> > 
> > Also clear TEXTCONV_SET_VIA_CMDLINE here?
> > (`git show --textconv --no-textconv` might act funny?)
> 
> Oops, thanks for catching this, I added it in the wrong place! (as you
> can see below.

wait nevermind, i overreacted.  And this patch does correctly clear
TEXTCONV_SET_VIA_CMDLINE.

> 
> > 
> > > -       else if (!strcmp(arg, "--ignore-submodules")) {
> > > +               DIFF_OPT_CLR(options, TEXTCONV_SET_VIA_CMDLINE);
> > > +       } else if (!strcmp(arg, "--ignore-submodules")) {
> > >                 DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
> > >                 handle_ignore_submodules_arg(options, "all");
> > >         } else if (skip_prefix(arg, "--ignore-submodules=", &arg)) {
> > > diff --git a/diff.h b/diff.h
> > > index 47e6d43cb..4eaf9b370 100644
> > > --- a/diff.h
> > > +++ b/diff.h
> > > @@ -83,6 +83,7 @@ struct diff_flags {
> > >         unsigned DIRSTAT_CUMULATIVE:1;
> > >         unsigned DIRSTAT_BY_FILE:1;
> > >         unsigned ALLOW_TEXTCONV:1;
> > > +       unsigned TEXTCONV_SET_VIA_CMDLINE:1;
> > >         unsigned DIFF_FROM_CONTENTS:1;
> > >         unsigned DIRTY_SUBMODULES:1;
> > >         unsigned IGNORE_UNTRACKED_IN_SUBMODULES:1;
> > > --
> > > 2.15.0.403.gc27cc4dac6-goog
> > >
> 
> -- 
> Brandon Williams

-- 
Brandon Williams

  reply	other threads:[~2017-10-30 20:48 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-27 22:28 [PATCH 0/3] convert diff flags to be stored in a struct Brandon Williams
2017-10-27 22:28 ` [PATCH 1/3] add: use DIFF_OPT_SET macro to set a diff flag Brandon Williams
2017-10-27 22:28 ` [PATCH 2/3] reset: " Brandon Williams
2017-10-29  1:26   ` Junio C Hamano
2017-10-30 18:06     ` Brandon Williams
2017-10-27 22:28 ` [PATCH 3/3] diff: convert flags to be stored in bitfields Brandon Williams
2017-10-29  1:55   ` Junio C Hamano
2017-10-30  0:29     ` Junio C Hamano
2017-10-30 19:39       ` Brandon Williams
2017-10-31  2:49       ` Junio C Hamano
2017-10-30 17:49     ` Brandon Williams
2017-10-29  1:22 ` [PATCH 0/3] convert diff flags to be stored in a struct Junio C Hamano
2017-10-29  4:37   ` Stefan Beller
2017-10-30 19:46 ` [PATCH v2 0/4] " Brandon Williams
2017-10-30 19:46   ` [PATCH v2 1/4] add, reset: use DIFF_OPT_SET macro to set a diff flag Brandon Williams
2017-10-30 19:46   ` [PATCH v2 2/4] diff: convert flags to be stored in bitfields Brandon Williams
2017-10-31  4:41     ` Junio C Hamano
2017-10-31  5:23     ` [PATCH 2.5/4] diff: avoid returning a struct by value from diff_flags_or() Junio C Hamano
2017-10-31 17:51       ` Brandon Williams
2017-10-30 19:46   ` [PATCH v2 3/4] diff: add flag to indicate textconv was set via cmdline Brandon Williams
2017-10-30 20:41     ` Stefan Beller
2017-10-30 20:44       ` Brandon Williams
2017-10-30 20:48         ` Brandon Williams [this message]
2017-10-31  5:02     ` Junio C Hamano
2017-10-31  5:23     ` [PATCH 3.5/4] diff: set TEXTCONV_VIA_CMDLINE only when it is set to true Junio C Hamano
2017-10-31 17:55       ` Brandon Williams
2017-10-30 19:46   ` [PATCH v2 4/4] diff: remove touched flags Brandon Williams
2017-10-30 22:19   ` [PATCH v2 5/4] diff: remove DIFF_OPT_TST macro Brandon Williams
2017-10-30 22:19     ` [PATCH v2 6/4] diff: remove DIFF_OPT_SET macro Brandon Williams
2017-10-30 22:19     ` [PATCH v2 7/4] diff: remove DIFF_OPT_CLR macro Brandon Williams
2017-10-30 22:19     ` [PATCH v2 8/4] diff: make struct diff_flags members lowercase Brandon Williams
2017-10-31 18:19   ` [PATCH v3 0/8] convert diff flags to be stored in a struct Brandon Williams
2017-10-31 18:19     ` [PATCH v3 1/8] add, reset: use DIFF_OPT_SET macro to set a diff flag Brandon Williams
2017-10-31 18:19     ` [PATCH v3 2/8] diff: convert flags to be stored in bitfields Brandon Williams
2017-10-31 21:32       ` Stefan Beller
2017-11-01  1:26         ` Junio C Hamano
2017-11-01 17:11           ` Stefan Beller
2017-10-31 18:19     ` [PATCH v3 3/8] diff: add flag to indicate textconv was set via cmdline Brandon Williams
2017-10-31 18:19     ` [PATCH v3 4/8] diff: remove touched flags Brandon Williams
2017-10-31 18:19     ` [PATCH v3 5/8] diff: remove DIFF_OPT_TST macro Brandon Williams
2017-10-31 18:19     ` [PATCH v3 6/8] diff: remove DIFF_OPT_SET macro Brandon Williams
2017-10-31 18:19     ` [PATCH v3 7/8] diff: remove DIFF_OPT_CLR macro Brandon Williams
2017-10-31 21:44       ` Stefan Beller
2017-11-01  2:52         ` Junio C Hamano
2017-10-31 18:19     ` [PATCH v3 8/8] diff: make struct diff_flags members lowercase Brandon Williams
2017-10-31 21:46     ` [PATCH v3 0/8] convert diff flags to be stored in a struct Stefan Beller
2017-11-01  6:23     ` Junio C Hamano

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