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Subject: bug#65471: home mcron service overwrites PATH with a GuixSD-only
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From: Oleg Pykhalov <go.wigust@gmail.com>
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Content-Type: text/plain; charset=utf-8
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Hi Ludovic,

Ludovic Court=C3=A8s <ludo@gnu.org> writes:
[=E2=80=A6]

> I wonder what the preferred behavior would be.  Restore PATH to whatever
> value it had when the user =E2=80=98shepherd=E2=80=99 process was started=
, at the
> expense of making things harder to track/less reproducible?  Should we
> leave it unset, possibly breaking programs that expect it to be set?
> Should we set it to =E2=80=9C/run/current-system/profile/bin:/usr/bin=E2=
=80=9D or
> similar?

1c30d5a6 was almost 3 months ago, so we could assume most of the users
are already reconfigured to this (or newer) commit and fixed their
configurations accordingly.

Because we probably cannot be sure how they fixed it, I think the best
that we could do is not to change the current behavior again and provide
a support and documentation if needed, so we don't break users
configurations again.

Also, the current behavior =E2=80=98PATH=3D/run/current-system/profile/bin=
=E2=80=99
matches with mcron started by Shepherd on a Guix System on pretty recent
commit =E2=80=98fc6bdaad57bf91609849623c5f485403c030cb49=E2=80=99, which pr=
obably is
better than difference of PATH dependending on is it system's Shepherd
or user's Shepherd instance running.

We could allow users to control an environment of mcron, but I think it
should be:

=2D optional for both system's and user's Shepherd instances;
=2D not a default behavior, because we already switched from PATH=3D<IMPURE>
  to =E2=80=98PATH=3D/run/current-system/profile/bin=E2=80=99.


Regards,
Oleg.

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