Re: [gentoo-dev] Re: Can pkg_nofetch determine if a file is already downloaded?

[Michał Górny]

Dnia October 17, 2018 4:03:17 PM UTC, Michael Haubenwallner <haubi@g.o> napisał(a):
>On 10/15/2018 08:05 PM, Michał Górny wrote:
>> On Mon, 2018-10-15 at 13:34 +0200, Michael Haubenwallner wrote:
>>> Hi,
>>>
>>> in pkg_nofetch, beyond to "direct the user to download relevant
>source files",
>>> I've found it useful to tell the user which filesystem directory to
>put the
>>> files into once downloaded.
>>>
>>> Beyond that, I've also found it useful to tell the user whether a
>relevant
>>> source file is 'already there' or 'still missing'.
>>>
>>> Since the EAPI 6 related update to pkg_* phases to not have access
>to DISTDIR
>>> (even in earlier EAPI) any more, I'm wondering if both informations
>are still
>>> available to pkg_nofetch in one or another way.
>>>
>>> Any idea?
>>>
>>> Or is my only option to reduce the information to "all these files
>need to be
>>> put in your DISTDIR", requiring the user to find out both the right
>DISTDIR
>>> and which of the listed files are still missing herself?
>>>
>>
>> How would you know whether the file in DISTDIR is correct and
>complete?
>>
>Well, pkg_nofetch is called only if some files are still missing,
>so portage really should have checked them before, and eventually
>renamed invalid files to "checksum_failure", no?

Maybe. That's entirely undefined behavior.

>
>/haubi/


--
Best regards, 
Michał Górny