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From: Kyohei Kadota <lufia@lufia.org>
To: "brian m. carlson" <sandals@crustytoothpaste.net>,
	"KADOTA, Kyohei via GitGitGadget" <gitgitgadget@gmail.com>,
	git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH 0/6] Port git to Plan 9
Date: Sun, 4 Aug 2019 11:22:58 +0900	[thread overview]
Message-ID: <CAFMepcm6QVH+5H6on2hoWiMXd=Zoyi5MYP1GAt0WwixZN9oE_Q@mail.gmail.com> (raw)
In-Reply-To: <20190804003816.GE118825@genre.crustytoothpaste.net>

2019-08-04(Sun) 9:38 brian m. carlson <sandals@crustytoothpaste.net>:
>
> On 2019-08-03 at 23:52:08, KADOTA, Kyohei via GitGitGadget wrote:
> > I ported git, and git subcommands only written in C to Plan 9. This pull
> > request contains patches for existing codes, and new files to build git in
> > Plan 9.
> >
> > All build options such as NO_PERL are not supported yet, and also some git
> > subcommands written not in C is not available yet. But git can synchronize
> > to remote repository with git pull and git push via HTTPS.
> >
> > This pull request don't contain a part of Git toolchain for example
> > git-credential-store, etc. So I'm going to port other parts of Git toolchain
> > too in the future.
>
> This series seems to build a whole new build system that uses Plan 9
> tools. Typically the way ports to non-POSIX platforms (such as Windows)
> have been handled is that the Unix tools, including GNU make, have been
> ported to those platforms, and the POSIX (or POSIX-ish) environment used
> there.
>
> I'm concerned that by introducing a whole bunch of new, Plan 9-specific
> build code, we're going to have it fall behind with features or bug
> fixes, because none of the main developers test on Plan 9, and most
> contributors will not have the Plan 9 skills or systems to maintain the
> code.
>
> In addition, the editor used by git commit and other commands invokes
> "sh", but you've set this to "rc". That's completely different from the
> way that all other environments work, and it means that Git on Plan 9
> operates in a totally different, incompatible way there. We also use a
> POSIX shell for the testsuite, and we rely on it quite heavily. rc is
> not going to cut it there.
>
> Plan 9 has a POSIX environment, and I think it might be a better idea to
> require that as a condition for building and running Git. It will likely
> be a lot easier, at least.
> --
> brian m. carlson: Houston, Texas, US
> OpenPGP: https://keybase.io/bk2204

I think it is possible to replace rc with ape/sh, ape/sh is POSIX
shell in Plan 9.

However Plan 9 don't have recent versions of Unix tools,
such as gcc, g++, autotools, gmake or perl,
so it is VERY hard to use Makefile instead of mkfile.

  reply	other threads:[~2019-08-04  2:42 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-03 23:52 KADOTA, Kyohei via GitGitGadget
2019-08-03 23:52 ` [PATCH 1/6] Change HOME, PATH, and .gitconfig paths to be customizable lufia via GitGitGadget
2019-08-03 23:52 ` [PATCH 2/6] Fix C syntactic errors for the Plan 9 C compiler lufia via GitGitGadget
2019-08-03 23:52 ` [PATCH 3/6] GIT-VERSION-GEN: Use sed instead of expr lufia via GitGitGadget
2019-08-05 22:37   ` Junio C Hamano
2019-08-03 23:52 ` [PATCH 5/6] Add plan9/wrap.c lufia via GitGitGadget
2019-08-04  0:03   ` brian m. carlson
2019-08-04  1:26     ` Kyohei Kadota
2019-08-03 23:52 ` [PATCH 4/6] Port generate-cmdline.sh to rc lufia via GitGitGadget
2019-08-03 23:52 ` [PATCH 6/6] Add mkfile to build git and subcommands for Plan 9 lufia via GitGitGadget
2019-08-04  0:38 ` [PATCH 0/6] Port git to " brian m. carlson
2019-08-04  2:22   ` Kyohei Kadota [this message]
2019-08-04 20:22     ` Jonathan Nieder
2019-08-27 13:46 ` [PATCH v2 0/3] " KADOTA, Kyohei via GitGitGadget
2019-08-27 13:46   ` [PATCH v2 1/3] Change HOME, PATH, and .gitconfig paths to be customizable lufia via GitGitGadget
2019-08-27 13:46   ` [PATCH v2 2/3] Fix C syntactic errors for the Plan 9 C compiler lufia via GitGitGadget
2019-08-27 13:46   ` [PATCH v2 3/3] Support Plan 9 dialect lufia via GitGitGadget

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