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From: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Johannes Sixt <j6t@kdbg.org>,
	Git Mailing List <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>,
	Daniel Jacques <dnj@google.com>,
	Steffen Prohaska <prohaska@zib.de>,
	John Keeping <john@keeping.me.uk>, Stan Hu <stanhu@gmail.com>,
	Richard Clamp <richardc@unixbeard.net>
Subject: Re: [PATCH 3/3] Makefile: optionally symlink libexec/git-core binaries to bin/git
Date: Fri, 16 Mar 2018 13:43:28 +0100
Message-ID: <87efkkdwcv.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <nycvar.QRO.7.76.6.1803161248040.56@ZVAVAG-6OXH6DA.rhebcr.pbec.zvpebfbsg.pbz>


On Fri, Mar 16 2018, Johannes Schindelin jotted:

> Hi Linus.
>
> On Thu, 15 Mar 2018, Linus Torvalds wrote:
>
>> We do end up still using the dashed form for certain things, but they
>> are already special-cased (ie things like "git-receive-pack" and
>> "git-shell" that very much get executed directly, and for fundamental
>> reasons).
>
> Please do elaborate.

If you were to set set "/bin/git shell" in /etc/password it would not do
the right thing as far as I know. Is that a shell name with a space in
it, or the "shell" argument to /bin/git?

There's also the fully dashed forms of stuff like git-receive-pack is
part of the over-ssh convention, i.e.:

    ssh <host> git-upload-pack ...

That being said I think Linus is conflating two things here. If we still
had just the dashed forms on *nix we'd still have the issue of what it
does to shell completion, which is one thing that got brought up in the
discussion to create the "git" wrapper at the time. There were also
other reasons IIRC.

That's an entirely separate discussion from how we go about either hard-
or symlinking some stuff git is using, whether or not that's ever
directly exposed to the user.

Having said that I have a WIP re-roll which where I'm aiming to:

 * Add a NO_INSTALL_CP_FALLBACK flag, so we won't implicitly fall back
   to cp silently (unless told so)

 * Remove the 2>/dev/null we're doing on everything. That pre-dates the
   NO_*_*HARDLINKS flags and we shouldn't be doing that anymore.

 * Add an option where we optionally won't install the majority of these
   dashed forms, regardless of whether we choose hardlinks or
   symlinks. We'll still need some linking as some dashed forms we can't
   remove, as noted above.

I didn't expect Junio to merge this down to `next` so fast, so I'll wait
until INSTALL_SYMLINKS lands. As far as I know the code as-is in next
isn't buggy, I'd just like to improve it a bit more, so I'll need to
rebase what I have on top of that (which is fine).

  reply index

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-06 23:34 What's cooking in git.git (Mar 2018, #02; Tue, 6) Junio C Hamano
2018-03-07 12:34 ` Johannes Schindelin
2018-03-08  9:22   ` Ævar Arnfjörð Bjarmason
2018-03-08 13:12     ` Daniel Jacques
2018-03-13 12:36       ` Why don't we symlink libexec/git-core/* to bin/git? Ævar Arnfjörð Bjarmason
2018-03-13 18:36         ` Junio C Hamano
2018-03-13 19:32           ` Randall S. Becker
2018-03-13 20:39           ` [PATCH 0/3] Makefile: add a INSTALL_SYMLINKS option Ævar Arnfjörð Bjarmason
2018-03-13 20:39           ` [PATCH 1/3] Makefile: fix broken bindir_relative variable Ævar Arnfjörð Bjarmason
2018-03-13 20:39           ` [PATCH 2/3] Makefile: add a gitexecdir_relative variable Ævar Arnfjörð Bjarmason
2018-03-13 20:39           ` [PATCH 3/3] Makefile: optionally symlink libexec/git-core binaries to bin/git Ævar Arnfjörð Bjarmason
2018-03-14  7:20             ` Johannes Sixt
2018-03-14 10:14               ` Ævar Arnfjörð Bjarmason
2018-03-14 17:21                 ` Linus Torvalds
2018-03-15 17:05                   ` Johannes Schindelin
2018-03-15 17:42                     ` Linus Torvalds
2018-03-16 11:48                       ` Johannes Schindelin
2018-03-16 12:43                         ` Ævar Arnfjörð Bjarmason [this message]
2018-03-19 11:34                           ` Johannes Schindelin
2018-03-19 21:21                             ` Linus Torvalds
2018-03-15 17:03               ` Johannes Schindelin
2018-03-14 10:18         ` Why don't we symlink libexec/git-core/* to bin/git? Ævar Arnfjörð Bjarmason
2018-03-14 16:07           ` Junio C Hamano
2018-03-15 17:16             ` Johannes Schindelin
2018-03-16 17:29               ` Duy Nguyen
2018-03-30  8:59                 ` Johannes Schindelin
2018-03-09  6:15 ` What's cooking in git.git (Mar 2018, #02; Tue, 6) Martin Ågren
2018-03-09  9:54   ` Duy Nguyen
2018-03-09 17:19   ` Junio C Hamano

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