[poky] Problem with METADATA_* vars

[Richard Purdie]

On Fri, 2011-02-18 at 10:34 +0100, Koen Kooi wrote:
> Hi,
> 
> I have a simple recipe that does:
> 
> export METADATA_REVISION
> export METADATA_BRANCH
> export TARGET_SYS
> 
> do_install() {
>     install -d ${D}${sysconfdir}
>     echo "Angstrom ${DISTRO_VERSION}" >
> ${D}${sysconfdir}/angstrom-version
>     echo "Built from branch: ${METADATA_BRANCH}" >>
> ${D}${sysconfdir}/angstrom-version
>     echo "Revision: ${METADATA_REVISION}" >>
> ${D}${sysconfdir}/angstrom-version
>     echo "Target system: ${TARGET_SYS}" >>
> ${D}${sysconfdir}/angstrom-version
> 
>     [..]
> }
> 
> It builds fine when doing 'bitbake angstrom-version', but when doing
> 'bitbake console-image', which includes angstrom-version I get:
> 
> tr: write error: Broken pipe
> ERROR: Error evaluating '${@base_detect_branch(d)}'
> Traceback (most recent call last):
>   File "/OE/tentacle/sources/bitbake/lib/bb/data_smart.py", line 117,
> in expandWithRefs
>     s = __expand_python_regexp__.sub(varparse.python_sub, s)
>   File "/OE/tentacle/sources/bitbake/lib/bb/data_smart.py", line 76,
> in python_sub
>     value = utils.better_eval(codeobj, DataContext(self.d))
>   File "/OE/tentacle/sources/bitbake/lib/bb/utils.py", line 387, in
> better_eval
>     return eval(source, _context, locals)
>   File "METADATA_BRANCH", line 1, in <module>
>   File "metadata_scm.bbclass", line 7, in base_detect_branch
>   File "metadata_scm.bbclass", line 2, in base_get_metadata_git_branch
> IOError: [Errno 4] Interrupted system call

I'm going to guess its:

http://git.pokylinux.org/cgit.cgi/poky/commit/?id=03d40a4a7bd60dcbc21f5a06c0f4f53cb47de0f3

at fault. I'm going to rework that so the handler is only activated at
idle sleep time.

Cheers,

Richard