From: Junio C Hamano <gitster@pobox.com>
To: Eric Sunshine <sunshine@sunshineco.com>
Cc: "brian m. carlson" <sandals@crustytoothpaste.net>,
lufia via GitGitGadget <gitgitgadget@gmail.com>,
Git List <git@vger.kernel.org>, "KADOTA\,
Kyohei" <lufia@lufia.org>
Subject: Re: [PATCH 1/4] Use $(SHELL_PATH) instead of sh in Makefile.
Date: Thu, 06 Aug 2020 10:30:07 -0700 [thread overview]
Message-ID: <xmqqeeojlm1s.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <CAPig+cRe2OUeHXE3XELtkS7b2GrZVxLm0pzduojDB97uLnBZKQ@mail.gmail.com> (Eric Sunshine's message of "Thu, 6 Aug 2020 00:10:09 -0400")
Eric Sunshine <sunshine@sunshineco.com> writes:
> On Wed, Aug 5, 2020 at 10:14 PM brian m. carlson
> <sandals@crustytoothpaste.net> wrote:
>> On 2020-08-06 at 01:05:01, lufia via GitGitGadget wrote:
>> > In the not POSIX environment, like Plan 9, sh might not be looked up
>> > in the directories named by the $PATH.
>>
>> I think Git's editor handling assumes that sh is somewhere in the PATH,
>> so it might be fine for us to just ask the user to adjust PATH
>> appropriately before running make. I don't have a strong preference; if
>> this works on a standard Unix machine, which it looks like it should
>> (although I haven't tested), I'm fine with it.
>
> This does, however, have a bit of a chicken-and-egg feel to it. The
> results of the "uname_FOO" assignments in config.mak.uname are
> consulted later in the file to _assign_ a value to SHELL_PATH on a
> number of platforms. So, making the "uname_FOO" assignments themselves
> depend upon SHELL_PATH is rather circular and confusing.
Is that just being circular and confusing, or does it produce an
incorrect result depending on the circumstances? We would end up
special casing SHELL_PATH (e.g. exclude it from the variables that
are set based on uname), which I would want to avoid, as I would
suspect that there will be even more variables that need similar
treatment.
This does have a bad smell. Even on a not-so-posix Windows, we do
not use such a hack.
next prev parent reply other threads:[~2020-08-06 17:44 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-06 1:05 [PATCH 0/4] Fit the building tools to Plan 9 environment KADOTA, Kyohei via GitGitGadget
2020-08-06 1:05 ` [PATCH 1/4] Use $(SHELL_PATH) instead of sh in Makefile lufia via GitGitGadget
2020-08-06 2:13 ` brian m. carlson
2020-08-06 4:10 ` Eric Sunshine
2020-08-06 14:39 ` Kyohei Kadota
2020-08-06 17:30 ` Junio C Hamano [this message]
2020-08-10 9:04 ` Kyohei Kadota
2020-08-06 1:05 ` [PATCH 2/4] Define TAR_CF and TAR_XF variables " lufia via GitGitGadget
2020-08-06 17:50 ` Junio C Hamano
2020-08-06 1:05 ` [PATCH 3/4] Fit to Plan 9's ANSI/POSIX compatibility layer lufia via GitGitGadget
2020-08-06 2:04 ` brian m. carlson
2020-08-06 13:49 ` Kyohei Kadota
2020-08-06 23:51 ` brian m. carlson
2020-08-06 23:57 ` Eric Sunshine
2020-08-06 18:10 ` Junio C Hamano
2020-08-10 10:53 ` Kyohei Kadota
2020-08-06 1:05 ` [PATCH 4/4] Use $(LD) instead of $(CC) for linking the object files lufia via GitGitGadget
2020-08-06 2:23 ` [PATCH 0/4] Fit the building tools to Plan 9 environment brian m. carlson
2020-09-09 19:47 ` [PATCH v2 0/2] " KADOTA, Kyohei via GitGitGadget
2020-09-09 19:47 ` [PATCH v2 1/2] Fit to Plan 9's ANSI/POSIX compatibility layer Kyohei Kadota via GitGitGadget
2020-09-09 19:56 ` Eric Sunshine
2020-09-09 20:34 ` Junio C Hamano
2020-09-10 0:35 ` Kyohei Kadota
2020-09-09 19:47 ` [PATCH v2 2/2] Use $(LD) instead of $(CC) for linking the object files Kyohei Kadota via GitGitGadget
2020-09-10 2:17 ` [PATCH v3 0/2] Fit the building tools to Plan 9 environment KADOTA, Kyohei via GitGitGadget
2020-09-10 2:17 ` [PATCH v3 1/2] Fit to Plan 9's ANSI/POSIX compatibility layer Kyohei Kadota via GitGitGadget
2020-09-10 5:13 ` Junio C Hamano
2020-09-10 2:17 ` [PATCH v3 2/2] Use $(LD) instead of $(CC) for linking the object files Kyohei Kadota via GitGitGadget
2020-09-10 5:31 ` Junio C Hamano
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