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From: Junio C Hamano <gitster@pobox.com>
To: Anders Waldenborg <anders@0x63.nu>
Cc: git@vger.kernel.org, Jeff King <peff@peff.net>
Subject: Re: [PATCH v3 2/5] pretty: allow showing specific trailers
Date: Mon, 26 Nov 2018 16:52:39 +0900	[thread overview]
Message-ID: <xmqq4lc4wa0o.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <878t1g72ee.fsf@0x63.nu> (Anders Waldenborg's message of "Mon, 26 Nov 2018 07:56:25 +0100")

Anders Waldenborg <anders@0x63.nu> writes:

> Would it feel less inconsistent if it did not set the 'only_trailers'
> option?

If %(trailers:key=...) did not automatically imply 'only', it would
be very consistent.

But as I already said, I think it would be less convenient, as I do
suspect that those who want specific keys would want to see only
those trailers with specific keys.

And if we want that convinience, we'd probably want a way to
optionally disable that 'only' bit when the user wants to.

And...

> --- a/Documentation/pretty-formats.txt
> +++ b/Documentation/pretty-formats.txt
> @@ -228,9 +228,9 @@ endif::git-rev-list[]
>  ** 'key=<K>': only show trailers with specified key. Matching is done
>     case-insensitively and trailing colon is optional. If option is
>     given multiple times trailer lines matching any of the keys are
> -   shown. Non-trailer lines in the trailer block are also hidden
> -   (i.e. 'key' implies 'only'). E.g., `%(trailers:key=Reviewed-by)`
> -   shows trailer lines with key `Reviewed-by`.
> +   shown. Non-trailer lines in the trailer block are also hidden.
> +   E.g., `%(trailers:key=Reviewed-by)` shows trailer lines with key
> +   `Reviewed-by`.

... I do not think this change reduces the puzzlement felt by
readers who would have wondered how that implied 'only' can be
countermanded with the old text.  It just makes it look even less
explained to them.

If we assume that nobody would ever want to mix non-trailers when
asking specific keywords, then "them" in the above paragraph would
become an empty set, and we do not have to worry about them.  I am
not sure if Git is still such a small project to allow us rely on
such an assumption, though.

>  ** 'only': omit non-trailer lines from the trailer block.
>  ** 'unfold': make it behave as if interpret-trailer's `--unfold`
>     option was given. E.g., `%(trailers:only,unfold)` unfolds and


  reply	other threads:[~2018-11-26  7:52 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-28 12:50 [PATCH] pretty: Add %(trailer:X) to display single trailer Anders Waldenborg
2018-10-29  4:49 ` Junio C Hamano
2018-10-29 14:14 ` Jeff King
2018-10-29 17:05   ` Anders Waldenborg
2018-10-31 20:27     ` Jeff King
2018-10-31 23:01       ` Anders Waldenborg
2018-11-01 18:42         ` Jeff King
2018-11-04 15:22 ` [PATCH v2 0/5] %(trailers) improvements in pretty format Anders Waldenborg
2018-11-04 15:22   ` [PATCH v2 1/5] pretty: single return path in %(trailers) handling Anders Waldenborg
2018-11-04 15:22   ` [PATCH v2 2/5] pretty: allow showing specific trailers Anders Waldenborg
2018-11-04 18:14     ` Eric Sunshine
2018-11-05  3:48       ` Junio C Hamano
2018-11-05  3:52         ` Eric Sunshine
2018-11-05  8:26       ` Anders Waldenborg
2018-11-05  9:00         ` Eric Sunshine
2018-11-05  5:14     ` Junio C Hamano
2018-11-04 15:22   ` [PATCH v2 3/5] pretty: add support for "nokey" option in %(trailers) Anders Waldenborg
2018-11-04 15:22   ` [PATCH v2 4/5] pretty: extract fundamental placeholders to separate function Anders Waldenborg
2018-11-05  2:06     ` Junio C Hamano
2018-11-05  8:32       ` Anders Waldenborg
2018-11-06  1:46         ` Junio C Hamano
2018-11-04 15:22   ` [PATCH v2 5/5] pretty: add support for separator option in %(trailers) Anders Waldenborg
2018-11-05  2:10     ` Junio C Hamano
2018-11-05 18:24       ` Anders Waldenborg
2018-11-06  1:48         ` Junio C Hamano
2018-11-05  5:18     ` Junio C Hamano
2018-11-04 17:40   ` [PATCH v2 0/5] %(trailers) improvements in pretty format Eric Sunshine
2018-11-05  7:09     ` Anders Waldenborg
2018-11-18 11:44   ` [PATCH v3 " Anders Waldenborg
2018-11-18 11:44     ` [PATCH v3 1/5] pretty: single return path in %(trailers) handling Anders Waldenborg
2018-11-18 11:44     ` [PATCH v3 2/5] pretty: allow showing specific trailers Anders Waldenborg
2018-11-20  5:45       ` Junio C Hamano
2018-11-20  5:59       ` Junio C Hamano
2018-11-25 23:02         ` Anders Waldenborg
2018-11-26  3:13           ` Junio C Hamano
2018-11-26  6:56             ` Anders Waldenborg
2018-11-26  7:52               ` Junio C Hamano [this message]
2018-11-18 11:44     ` [PATCH v3 3/5] pretty: add support for "valueonly" option in %(trailers) Anders Waldenborg
2018-11-20  8:14       ` Eric Sunshine
2018-11-18 11:44     ` [PATCH v3 4/5] strbuf: separate callback for strbuf_expand:ing literals Anders Waldenborg
2018-11-18 11:44     ` [PATCH v3 5/5] pretty: add support for separator option in %(trailers) Anders Waldenborg
2018-11-20  8:25       ` Eric Sunshine
2018-12-08 16:36 ` [PATCH v4 0/7] %(trailers) improvements in pretty format Anders Waldenborg
2018-12-08 16:36   ` [PATCH v4 1/7] doc: group pretty-format.txt placeholders descriptions Anders Waldenborg
2018-12-08 16:36   ` [PATCH v4 2/7] pretty: allow %(trailers) options with explicit value Anders Waldenborg
2018-12-10  8:45     ` Junio C Hamano
2018-12-18 21:30       ` Anders Waldenborg
2019-01-29 16:55         ` Jeff King
2019-01-29 21:23           ` Anders Waldenborg
     [not found]             ` <CAL21Bmmx=EO+R2t+KviNekDhU3fc0wjCcmUmbzLa14bb0PAmHA@mail.gmail.com>
2019-01-31 18:46               ` Anders Waldenborg
2019-02-02  9:14                 ` Оля Тележная
2018-12-08 16:36   ` [PATCH v4 3/7] pretty: single return path in %(trailers) handling Anders Waldenborg
2018-12-08 16:36   ` [PATCH v4 4/7] pretty: allow showing specific trailers Anders Waldenborg
2018-12-10  8:56     ` Junio C Hamano
2018-12-08 16:36   ` [PATCH v4 5/7] pretty: add support for "valueonly" option in %(trailers) Anders Waldenborg
2018-12-08 16:36   ` [PATCH v4 6/7] strbuf: separate callback for strbuf_expand:ing literals Anders Waldenborg
2018-12-08 16:36   ` [PATCH v4 7/7] pretty: add support for separator option in %(trailers) Anders Waldenborg
2019-01-28 21:33 ` [PATCH v5 0/7] %(trailers) improvements in pretty format Anders Waldenborg
2019-01-28 21:33   ` [PATCH v5 1/7] doc: group pretty-format.txt placeholders descriptions Anders Waldenborg
2019-01-28 21:33   ` [PATCH v5 2/7] pretty: Allow %(trailers) options with explicit value Anders Waldenborg
2019-01-28 22:38     ` Junio C Hamano
2019-01-29  6:45       ` Anders Waldenborg
2019-01-29 16:57         ` Jeff King
2019-01-29  6:49       ` [PATCH v5 2/7 update] pretty: allow " Anders Waldenborg
2019-01-28 21:33   ` [PATCH v5 3/7] pretty: single return path in %(trailers) handling Anders Waldenborg
2019-01-28 21:33   ` [PATCH v5 4/7] pretty: allow showing specific trailers Anders Waldenborg
2019-01-28 21:33   ` [PATCH v5 5/7] pretty: add support for "valueonly" option in %(trailers) Anders Waldenborg
2019-01-28 21:33   ` [PATCH v5 6/7] strbuf: separate callback for strbuf_expand:ing literals Anders Waldenborg
2019-01-28 21:33   ` [PATCH v5 7/7] pretty: add support for separator option in %(trailers) Anders Waldenborg

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