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

[Michael Haubenwallner <haubi@gentoo.org>]

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?

/haubi/