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From: Kyohei Kadota <lufia@lufia.org>
To: Junio C Hamano <gitster@pobox.com>
Cc: Eric Sunshine <sunshine@sunshineco.com>,
	"brian m. carlson" <sandals@crustytoothpaste.net>,
	lufia via GitGitGadget <gitgitgadget@gmail.com>,
	Git List <git@vger.kernel.org>
Subject: Re: [PATCH 1/4] Use $(SHELL_PATH) instead of sh in Makefile.
Date: Mon, 10 Aug 2020 18:04:31 +0900
Message-ID: <CAFMepc=ZGyp=bZRdSkEsrtPCq70+U1amv3OoBk0QMbiwb4W8dA@mail.gmail.com> (raw)
In-Reply-To: <xmqqeeojlm1s.fsf@gitster.c.googlers.com>

After a moment's thought I decided to run ape/psh before building git.
If so then, sh will be found from the directories named in PATH
because it is mounted onto /bin.

2020年8月7日(金) 2:30 Junio C Hamano <gitster@pobox.com>:
>
> 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.
>

  reply	other threads:[~2020-08-10  9:04 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
2020-08-10  9:04         ` Kyohei Kadota [this message]
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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