From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mathieu Lirzin <mthl@gnu.org>
Subject: bug#30437: No =?UTF-8?Q?=E2=80=9C.guix-profile/bin/python=E2=80=9D?=
	after =?UTF-8?Q?=E2=80=98guix?= package -i =?UTF-8?Q?python=E2=80=99?=
Date: Mon, 12 Feb 2018 20:38:44 +0100
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References: <87po5a5ew6.fsf@gnu.org> <20180212182307.7c0982ee@scratchpost.org>
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To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: 30437@debbugs.gnu.org

Hi,

Danny Milosavljevic <dannym@scratchpost.org> writes:

> On Mon, 12 Feb 2018 17:52:41 +0100
> Mathieu Lirzin <mthl@gnu.org> wrote:
>
>> I think it would work better if when installing python@3, a =E2=80=98pyt=
hon=E2=80=99
>> executable would be available in the PATH.  Maybe there is a technical
>> reason for not doing so, but I find its absence rather confusing.
>
> For backward compatibility, the 'python' executable always has to be Pyth=
on 2.
>
> A lot of old scripts specify just "/usr/bin/env python" in the shebang.
>
> On the other hand if your script supports Python 3 you know it.

Hum, then I don't understand why we aren't applying this argument to
every interperter (Perl, Guile, ...) which introduce backward
incompatible changes?

--=20
Mathieu Lirzin
GPG: F2A3 8D7E EB2B 6640 5761  070D 0ADE E100 9460 4D37