[oe] script to remove orphaned files

[Chris Larson]

On Mon, Aug 23, 2010 at 11:32 PM, Frans Meulenbroeks <
fransmeulenbroeks at gmail.com> wrote:

> 2010/8/23 Khem Raj <raj.khem at gmail.com>:
> > On Mon, Aug 23, 2010 at 1:19 PM, Frans Meulenbroeks
>
> >
> > Sometimes I run into a issue and then I look into the existing patches
> > and apply it or port it forward/backward
> > that solves it. This will be not easily possible once these patches
> > are removed. but thats not such a big issue I do
> > not have a strong opinion on this either way.
> >
>
> I've been thinking about that as well. Onthe other hand some of these
> files seem to be relics of the past that apply to older versions and
> are not relevant at all.
> Anyway, if there is a maintainer who feels some files are useful, we
> can just keep them afaik. Just want to get rid of the orphaned stuff.
>
> BTW; there is one change needed for the script. Right after turning
> off my computer last evening I realised that some patches use ${PV}.
> Just did a quick check: there are 78 or so of them (and most are
> expanded only once). The script fails for these.
>
> Solution is to add the following line before the find:
> grep -q "file://.*\\$" *.bb *.inc && echo "cannot handle recipes with
> metavariables in the name" && exit
>
> Actually it would probably be nicer to have a parser that could parse
> the recipes and based upon SRC_URI could decide on what is needed and
> not.
> (and maybe also reorder things, detect for things that are syntaxwise
> ok, but that are an indication of an error (e.g. a double assignment
> of a variable).
> It could also tell about unused variables etc.
>
> Currently the parser is in bitbake, I have no idea on how to hook
> those kind of checks in the parser, or how to craft a python parser
> that would be able to do the above.
> It would be nice if someone with more python knowledge could give that a
> stab.
> BTW: I have been thinking about crafting a parser with lex/yacc, but
> especially the override mechanism does not allow to make a simple .y
> file for it (e.g. SRC_URI cannot be made a token because we also can
> have SRC_URI_xyz etc)


SRC_URI shouldn't be a token.  It's not special to the file format, it's
just a variable :)
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics