[OE-core] [PATCH] package_manager: call createrepo with --dbpath pointing inside WORKDIR

[Richard Purdie]

On Tue, 2015-03-31 at 03:16 +0300, Ed Bartosh wrote:
> Rpm database in staging area is used only by createrepo.
> createrepo fails with the error
> "rpmdb: BDB0060 PANIC: fatal region error detected"
> if rpm database is broken during previous run of createrepo.
> 
> Made createrepo to create rpm db in $WORKDIR/rpmdb/ from scratch
> for every build. This should potentially fix the failure.
> 
> [YOCTO #6571]
> 
> Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>
> ---
>  meta/lib/oe/package_manager.py | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/meta/lib/oe/package_manager.py b/meta/lib/oe/package_manager.py
> index 743c7cb..2461acd 100644
> --- a/meta/lib/oe/package_manager.py
> +++ b/meta/lib/oe/package_manager.py
> @@ -110,12 +110,16 @@ class RpmIndexer(Indexer):
>          rpm_createrepo = bb.utils.which(os.getenv('PATH'), "createrepo")
>          index_cmds = []
>          rpm_dirs_found = False
> +        dbpath = os.path.join(self.d.getVar('WORKDIR', True), 'rpmdb')
> +        if os.path.exists(dbpath):
> +            bb.utils.remove(dbpath, True)
>          for arch in archs:
>              arch_dir = os.path.join(self.deploy_dir, arch)
>              if not os.path.isdir(arch_dir):
>                  continue
>  
> -            index_cmds.append("%s --update -q %s" % (rpm_createrepo, arch_dir))
> +            index_cmds.append("%s --dbpath %s --update -q %s" % \
> +                             (rpm_createrepo, dbpath, arch_dir))
>  
>              rpm_dirs_found = True

Do we need to add arch to dbpath here to avoid races between the
separate createrepo processes?

Cheers,

Richard