From: Taylor Blau <me@ttaylorr.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: Taylor Blau <me@ttaylorr.com>,
git@vger.kernel.org, ericsunshine@sunshineco.com
Subject: Re: [PATCH v7 2/2] builtin/config.c: support `--type=<type>` as preferred alias for `--type`
Date: Mon, 9 Apr 2018 19:17:57 -0700 [thread overview]
Message-ID: <20180410021757.GB937@syl.local> (raw)
In-Reply-To: <xmqqsh834yz1.fsf@gitster-ct.c.googlers.com>
On Tue, Apr 10, 2018 at 10:44:18AM +0900, Junio C Hamano wrote:
> Taylor Blau <me@ttaylorr.com> writes:
>
> > `git config` has long allowed the ability for callers to provide a 'type
> > specifier', which instructs `git config` to (1) ensure that incoming
> > values are satisfiable under that type, and (2) that outgoing values are
> > canonicalized under that type.
>
> Hmm, "satisfiable" is not the first word that comes to my mind to
> describe "when you give me a string 'frotz', we cannot take it as an
> integer". s/are satisfiable under/can be interpreted as/ perhaps?
Sure; I think that "can be interpreted as" is clearer. I have amended my
patch locally, and will include this in the next re-roll, should one
exist.
> > In another series, we propose to extend this functionality with
> > `--type=color` and `--default` to replace `--get-color`.
> >
> > However, we traditionally use `--color` to mean "colorize this output",
> > instead of "this value should be treated as a color".
>
> Makes sense.
>
> > Currently, `git config` does not support this kind of colorization, but
> > we should be careful to avoid inhabiting this option too soon, so that
> > `git config` can support `--type=color` (in the traditional sense) in
> > the future, if that is desired.
>
> Shouldn't the above `--color` instead? That is, we avoid squatting
> on `--color` because we might later want to use it in the
> traditional way. Also my reading stuttered around "inhabiting". It
> might be just me, but perhaps s/inhabiting/squating on/?
Ack, yes to both.
> > In this patch, we support `--type=<int|bool|bool-or-int|...>` in
> > addition to `--int`, `--bool`, and etc. This allows the aforementioned
> > upcoming patch to support querying a color value with a default via
> > `--type=color --default=...`, without squandering `--color`.
>
> Good.
>
> > @@ -160,30 +158,39 @@ See also <<FILES>>.
> > --list::
> > List all variables set in config file, along with their values.
> >
> > ---bool::
> > - 'git config' will ensure that the output is "true" or "false"
> > +--type <type>::
> > + 'git config' will ensure that any input or output is valid under the given
> > + type constraint(s), and will canonicalize outgoing values in `<type>`'s
> > + canonical form.
> > ++
> > +Valid `<type>`'s include:
> > ++
> > +- 'bool': canonicalize values as either "true" or "false".
> > +- 'int': canonicalize values as simple decimal numbers. An optional suffix of
> > + 'k', 'm', or 'g' will cause the value to be multiplied by 1024, 1048576, or
> > + 1073741824 prior to output.
>
> It is not a new problem introduced by this patch, but these place
> too much weight on the output side and may end up giving a flawed
> mental model to the readers, I am afraid.
>
> It's not like an 'int' value internally is "2k" and shown it as 2048
> when output. In reality, we internalize it 2048 upon input and we
> do not do anything special when showing, no? A 'bool' value given
> with a string 'no' internally becomes 0 upon input and is shown as
> 'false' upon output.
>
> I suspect s/prior to output/upon input/ may alleviate the issue
> quite a bit.
I share your concern, and I think that your suggestion would alleviate
the issue entirely.
I have applied these suggestions locally. :-)
Thanks,
Taylor
next prev parent reply other threads:[~2018-04-10 2:18 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-28 23:47 [PATCH] builtin/config.c: prefer `--type=bool` over `--bool`, etc Taylor Blau
2018-03-29 20:18 ` Junio C Hamano
2018-03-29 22:11 ` Jeff King
2018-03-30 5:27 ` Taylor Blau
2018-03-30 13:53 ` Jeff King
2018-03-30 16:00 ` Junio C Hamano
2018-03-30 18:27 ` Jeff King
2018-03-30 5:28 ` [PATCH v2 1/2] builtin/config.c: treat type specifiers singularly Taylor Blau
2018-03-30 5:28 ` [PATCH v2 2/2] builtin/config.c: prefer `--type=bool` over `--bool`, etc Taylor Blau
2018-03-30 6:17 ` René Scharfe
2018-03-30 13:48 ` Jeff King
2018-03-30 13:41 ` [PATCH v2 1/2] builtin/config.c: treat type specifiers singularly Jeff King
2018-04-04 6:07 ` [PATCH v3 0/2] builtin/config.c: prefer `--type=bool` over `--bool`, etc Taylor Blau
2018-04-04 6:07 ` [PATCH v3 1/2] builtin/config.c: treat type specifiers singularly Taylor Blau
2018-04-04 7:57 ` Eric Sunshine
2018-04-05 1:53 ` Taylor Blau
2018-04-05 21:51 ` Jeff King
2018-04-04 6:07 ` [PATCH v3 2/2] builtin/config.c: prefer `--type=bool` over `--bool`, etc Taylor Blau
2018-04-04 7:27 ` Eric Sunshine
2018-04-05 1:47 ` Taylor Blau
2018-04-05 2:00 ` [PATCH v4 0/2] " Taylor Blau
2018-04-05 21:58 ` Jeff King
2018-04-05 22:15 ` Taylor Blau
[not found] ` <cover.1522893363.git.me@ttaylorr.com>
2018-04-05 2:00 ` [PATCH v4 1/2] builtin/config.c: treat type specifiers singularly Taylor Blau
2018-04-05 2:00 ` [PATCH v4 2/2] builtin/config.c: prefer `--type=bool` over `--bool`, etc Taylor Blau
2018-04-05 22:29 ` Eric Sunshine
2018-04-05 22:40 ` Jeff King
2018-04-06 5:19 ` Taylor Blau
2018-04-06 5:17 ` Taylor Blau
2018-04-05 2:02 ` Taylor Blau
2018-04-05 22:12 ` Jeff King
2018-04-05 22:15 ` Taylor Blau
2018-04-06 5:08 ` Taylor Blau
2018-04-06 6:38 ` [PATCH v6 0/2] builtin/config.c: support `--type=<type>` as preferred alias for `--type` Taylor Blau
[not found] ` <cover.1522996619.git.me@ttaylorr.com>
2018-04-06 6:39 ` [PATCH v6 1/2] builtin/config.c: treat type specifiers singularly Taylor Blau
2018-04-06 6:39 ` [PATCH v6 2/2] builtin/config.c: support `--type=<type>` as preferred alias for `--type` Taylor Blau
2018-04-06 7:04 ` Eric Sunshine
2018-04-07 0:39 ` Taylor Blau
2018-04-07 8:25 ` Eric Sunshine
2018-04-09 22:46 ` [PATCH v7 0/2] " Taylor Blau
2018-04-09 23:11 ` Eric Sunshine
[not found] ` <cover.1523313730.git.me@ttaylorr.com>
2018-04-09 22:46 ` [PATCH v7 1/2] builtin/config.c: treat type specifiers singularly Taylor Blau
2018-04-10 1:22 ` Junio C Hamano
2018-04-10 2:12 ` Taylor Blau
2018-04-10 4:13 ` Eric Sunshine
2018-04-09 22:46 ` [PATCH v7 2/2] builtin/config.c: support `--type=<type>` as preferred alias for `--type` Taylor Blau
2018-04-10 1:44 ` Junio C Hamano
2018-04-10 2:17 ` Taylor Blau [this message]
2018-04-11 1:06 ` [PATCH v8 0/2] " Taylor Blau
2018-04-11 1:24 ` Junio C Hamano
2018-04-11 1:33 ` Taylor Blau
2018-04-11 3:11 ` Junio C Hamano
2018-04-11 3:49 ` Taylor Blau
[not found] ` <cover.1523408336.git.me@ttaylorr.com>
2018-04-11 1:06 ` [PATCH v8 1/2] builtin/config.c: treat type specifiers singularly Taylor Blau
2018-04-11 1:07 ` [PATCH v8 2/2] builtin/config.c: support `--type=<type>` as preferred alias for `--type` Taylor Blau
2018-04-18 21:43 ` [PATCH v9 0/2] " Taylor Blau
[not found] ` <cover.1524087557.git.me@ttaylorr.com>
2018-04-18 21:43 ` [PATCH v9 1/2] builtin/config.c: treat type specifiers singularly Taylor Blau
2018-04-18 21:43 ` [PATCH v9 2/2] builtin/config.c: support `--type=<type>` as preferred alias for `--type` Taylor Blau
2018-04-19 2:47 ` Junio C Hamano
2018-04-19 3:01 ` Taylor Blau
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