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From: Jeff King <peff@peff.net>
To: Henning Schild <henning.schild@siemens.com>
Cc: git@vger.kernel.org, "Eric Sunshine" <sunshine@sunshineco.com>,
	"Junio C Hamano" <gitster@pobox.com>,
	"Martin Ågren" <martin.agren@gmail.com>,
	"Ben Toews" <mastahyeti@gmail.com>,
	"Taylor Blau" <me@ttaylorr.com>,
	"brian m . carlson" <sandals@crustytoothpaste.net>
Subject: Re: [PATCH v2 7/9] gpg-interface: introduce new config to select per gpg format program
Date: Tue, 10 Jul 2018 12:54:13 -0400	[thread overview]
Message-ID: <20180710165412.GE23624@sigill.intra.peff.net> (raw)
In-Reply-To: <4905c1907a866c0fd1a4dac978dd6ca3e468ac43.1531208187.git.henning.schild@siemens.com>

On Tue, Jul 10, 2018 at 10:52:29AM +0200, Henning Schild wrote:

> diff --git a/Documentation/config.txt b/Documentation/config.txt
> index ac373e3f4..c0bd80954 100644
> --- a/Documentation/config.txt
> +++ b/Documentation/config.txt
> @@ -1832,6 +1832,11 @@ gpg.format::
>  	Specifies which key format to use when signing with `--gpg-sign`.
>  	Default is "openpgp", that is also the only supported value.
>  
> +gpg.<format>.program::
> +	Use this to customize the program used for the signing format you
> +	chose. (see gpg.program) gpg.openpgp.program is a synonym for the
> +	legacy gpg.program.

This seems like a good step forward. This is similar to the
signingtool.$name.program I proposed earlier, but keeping it specific to
gpg, which makes sense.

On the other hand, do we anticipate the user ever being able to add
gpg.foo.program? I don't think so; we'll provide a limited set of
options. So we _could_ go with "gpg.openpgpProgram" or similar, and
later add "gpg.x509Program".

And one reason to do so might be...

> diff --git a/gpg-interface.c b/gpg-interface.c
> index ac2df498d..65098430f 100644
> --- a/gpg-interface.c
> +++ b/gpg-interface.c
> @@ -179,7 +179,7 @@ int git_gpg_config(const char *var, const char *value, void *cb)
>  		return git_config_string(&gpg_format, var, value);
>  	}
>  
> -	if (!strcmp(var, "gpg.program"))
> +	if (!strcmp(var, "gpg.program") || !strcmp(var, "gpg.openpgp.program"))
>  		return git_config_string(&gpg_formats[PGP_FMT].program, var,
>  					 value);

We normally match config keys with strcmp() because the config machinery
will have already normalized them to lowercase. But in Git's config
format, the subsection (the middle in a three-dot name) is less
restricted and is case-sensitive.

Should we allow:

  [gpg "OpenPGP"]
  program = whatever

given that we allow:

  [gpg]
  format = OpenPGP

? I think just using strcasecmp() here would be sufficient. But I wonder
if it is a symptom of using the wrong tool (subsections) when we don't
need it.

-Peff

  reply	other threads:[~2018-07-10 16:54 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-10  8:52 [PATCH v2 0/9] X509 (gpgsm) commit signing support Henning Schild
2018-07-10  8:52 ` [PATCH v2 1/9] builtin/receive-pack: use check_signature from gpg-interface Henning Schild
2018-07-10  8:52 ` [PATCH v2 2/9] gpg-interface: make parse_gpg_output static and remove from interface header Henning Schild
2018-07-10 16:47   ` Junio C Hamano
2018-07-11  8:41     ` Henning Schild
2018-07-10  8:52 ` [PATCH v2 3/9] gpg-interface: add new config to select how to sign a commit Henning Schild
2018-07-10 15:56   ` Jeff King
2018-07-10  8:52 ` [PATCH v2 4/9] t/t7510: check the validation of the new config gpg.format Henning Schild
2018-07-10 15:55   ` Jeff King
2018-07-11  8:02     ` Henning Schild
2018-07-10 16:54   ` Junio C Hamano
2018-07-11  8:47     ` Henning Schild
2018-07-10  8:52 ` [PATCH v2 5/9] gpg-interface: introduce an abstraction for multiple gpg formats Henning Schild
2018-07-10 16:23   ` Jeff King
2018-07-13  8:41     ` Henning Schild
2018-07-10 17:16   ` Junio C Hamano
2018-07-13  8:41     ` Henning Schild
2018-07-10  8:52 ` [PATCH v2 6/9] gpg-interface: do not hardcode the key string len anymore Henning Schild
2018-07-10 15:49   ` Jeff King
2018-07-11  8:54     ` Henning Schild
2018-07-11 12:34       ` Jeff King
2018-07-11 13:46         ` Henning Schild
2018-07-11 14:27           ` Jeff King
2018-07-11 16:15             ` Henning Schild
2018-07-11 16:38               ` Jeff King
2018-07-10  8:52 ` [PATCH v2 7/9] gpg-interface: introduce new config to select per gpg format program Henning Schild
2018-07-10 16:54   ` Jeff King [this message]
2018-07-10 16:56     ` Jeff King
2018-07-14 18:13       ` brian m. carlson
2018-07-16 21:35         ` Jeff King
2018-07-16 21:56           ` Junio C Hamano
2018-07-16 22:23             ` Jeff King
2018-07-16 23:12               ` Junio C Hamano
2018-07-10 17:29     ` Junio C Hamano
2018-07-13  8:41   ` Henning Schild
2018-07-10  8:52 ` [PATCH v2 8/9] gpg-interface: introduce new signature format "x509" using gpgsm Henning Schild
2018-07-10 17:01   ` Jeff King
2018-07-10 17:40     ` Junio C Hamano
2018-07-10 17:50       ` Jeff King
2018-07-11  9:18     ` Henning Schild
2018-07-10  8:52 ` [PATCH v2 9/9] gpg-interface t: extend the existing GPG tests with GPGSM Henning Schild
2018-07-10 17:09   ` Jeff King
2018-07-10 17:16     ` Jeff King
2018-07-11 10:38     ` Henning Schild
2018-07-11 12:51       ` Jeff King
2018-07-11 13:40         ` Henning Schild
2018-07-11 14:35           ` Jeff King
2018-07-11 15:48             ` Henning Schild
2018-07-11 16:26             ` Junio C Hamano
2018-07-14 18:26       ` brian m. carlson
2018-07-10 21:12   ` Junio C Hamano
2018-07-11 10:38     ` Henning Schild
2018-07-11 14:33   ` Jeff King
2018-07-11 16:35     ` Henning Schild
2018-07-10 17:12 ` [PATCH v2 0/9] X509 (gpgsm) commit signing support Jeff King
2018-07-14 18:33   ` brian m. carlson
2018-07-16 21:32     ` Jeff King

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