[oe] RFC: allow subdir for SRC_URI entries

[Graeme Gregory]

Koen Kooi wrote:
> On 13-01-09 14:18, Robert Schuster wrote:
>> Hi folks,
>> I desperately need this patch. ;)
>>
>> It allows one to specify ";subdir=<DIR>" in SRC_URI entries. Having the
>> effect that the respective file is either unpacked or copied into that
>> very directory which is treated as:
>>
>> ${WORKDIR}/<DIR>
>>
>> It is not really ${WORKDIR} but the cwd when do_unpack is run. In most
>> cases this is ${WORKDIR}. If it is something else the recipe writer will
>> have a reason for that.
>>
>> With this patch we can finally deal easily with tarbombs.
>
> I have another use case:
>
> Multiple git:// uris in SRC_URI.
>
> When building ffmpeg from git you need to checkout libswscale from git
> as well and move it in ${S}, which breaks since *every* git repo is
> put in WORKDIR/git
>
> While speaking about the git fetcher:
>
> foo_2.0+git.bb: git://foo/bar;branch=pm
> foo_2.1+git.bb: git://foo/bar;branch=master
>
> That will trigger a russian roulette which branch it's going to fetch
> or unpack, you can end up with 2.1+git trying to checkout the pm branch.
For this maybe we should make name= format used when we use
SRCREV_FORMAT more generic?

Graeme