[OE-core] [PATCH 1/2] fetch2/__init__.py: Make get_srcrev output configurable

[Mike Looijmans]

On 02-02-15 21:50, Otavio Salvador wrote:
> On Sat, Jan 31, 2015 at 12:06 PM, Mike Looijmans
> <mike.looijmans at topic.nl> wrote:
>> From: Mike Looijmans <milo-software at users.sourceforge.net>
>>
>> The idea here is to support package version numbering similar to gitpkgv in
>> meta-openembedded. This commit is the first step towards such functionality.
>>
>> The original plan was to add a "get_pretty_srcrev" method to the fetcher, as
>> per Richard's suggestion [1]. While writing this, I noticed that it would
>> become a copy of get_srcrev with only two lines changed. So to create something
>> more Pythonic than a boolean argument and conditionals around the calls to the
>> fetcher's sortable_revision, I just made the method to be called on the fetcher
>> an argument to the method. Defaulting to 'sortable_revision' prevents affecting
>> existing code.
>>
>> Now if the git fetcher were to implement, say 'gitpkgv_revision' one could
>> set the following in a recipe:
>>    PKGV="1.2+${@bb.fetch2.get_srcrev(d, 'gitpkgv_revision')}"
>> and this would yield the same result as gitpkgv's GITPKGV variable.
>>
>> See for the discussion leading to this change:
>> [1] http://lists.openembedded.org/pipermail/openembedded-core/2015-January/100345.html
>>
>> Signed-off-by: Mike Looijmans <mike.looijmans at topic.nl>
>
> I do enjoyed all the design but the way to set the PKGV.
>
> Maybe we could have a way to do it more transparently? Any idea how?

Just setting GITPKGV="${@bb.fetch2.get_srcrev(d, 'gitpkgv_revision')}" 
globally (bitbake.conf for example) would basically mimic the gitpkgv syntax, 
then a recipe would just say:

PKGV="1.2+${GITPKGV}"

Without the need to inherit gitpkgv.

Mike.


Met vriendelijke groet / kind regards,

Mike Looijmans
System Expert


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