Re: Prioritizing ~/.local/bin over /usr/bin on the PATH

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Dne 2.5.2018 v 16:57 Siteshwar Vashisht napsal(a):
>
> ----- Original Message -----
>> From: "Vít Ondruch" <vondruch@xxxxxxxxxx>
>> To: devel@xxxxxxxxxxxxxxxxxxxxxxx
>> Sent: Wednesday, May 2, 2018 4:46:12 PM
>> Subject: Re: Prioritizing ~/.local/bin over /usr/bin on the PATH
>>
>>
>>
>> Dne 2.5.2018 v 16:35 Siteshwar Vashisht napsal(a):
>>> ----- Original Message -----
>>>> From: "Tomas Orsava" <torsava@xxxxxxxxxx>
>>>> To: "Development discussions related to Fedora"
>>>> <devel@xxxxxxxxxxxxxxxxxxxxxxx>, "David Kaspar" <dkaspar@xxxxxxxxxx>,
>>>> "Kamil Dudka" <kdudka@xxxxxxxxxx>, "Miro Hrončok" <mhroncok@xxxxxxxxxx>,
>>>> "Petr Viktorin" <pviktori@xxxxxxxxxx>,
>>>> "Siteshwar Vashisht" <svashish@xxxxxxxxxx>
>>>> Sent: Wednesday, May 2, 2018 3:23:10 PM
>>>> Subject: Prioritizing ~/.local/bin over /usr/bin on the PATH
>>>>
>>>> Hi!
>>>> I'd like to propose putting the ~/.local/bin in front of the /usr/bin on
>>>> the PATH.
>>>>
>>>> Currently /usr/bin has priority over ~/.local/bin, which causes a [bug]
>>>> where the old system-installed executable written in Python (from
>>>> /usr/bin) is launched, but it finds new Python sources (installed into
>>>> $HOME) which it doesn't work with and crashes.
>>>>
>>>> [bug] https://bugzilla.redhat.com/show_bug.cgi?id=1571650
>>>>
>>>> I believe the current configuration breaks the intuitive expectation
>>>> that things installed closer to the user should take priority. That's
>>>> for example how it works with Python.
>>>> Interestingly, ubuntu and opensuse do not have ~/.local/bin on their
>>>> PATH (though Ubuntu has ~/bin) so we can't take guidance there.
>>>>
>>>> Does anyone see a reason not to prioritize ~/.local/bin over /usr/bin?
>>> Most of the discussion in this thread focuses on security rather than sane
>>> behavior. It is going to be a system wide change. An application may get
>>> affected if it depends on system provided utilites which gets overridden
>>> by ~/.local/bin.
>>>
>>> For e.g.
>>>
>>>> cat /bin/foo
>>> #!/bin/bash
>>> ls -l
>>>> cat ~/.local/bin/ls
>>> #!/bin/bash
>>> echo "Strange world!"
>>>> /bin/foo
>>> Strange world!
>>>
>>> So this change breaks something that is outside user's installation. This
>>> should happen only if a user has explicitly overriden $PATH to prioritize
>>> user installation paths.
>> User explicitly installed SW into his home directory. Why (s)he needs to
>> override the $PATH in addition to make the SW work?
> Users should be aware too that there are 2 different versions of the same utility on their system. And they should be explicit about not using system provided one.

If they are experience enough to install SW into ~/.local, they are
probably aware. If they are not aware, you won't save them by $PATH order.

V.
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