[OE-core] [PATCH] image.bbclass: also mask debugfs versions of masked images

[André Draszik]

ping

On Mo, 2016-09-05 at 09:33 +0100, André Draszik wrote:
> When IMAGE_GEN_DEBUGFS is enabled, and IMAGE_FSTYPES_DEBUGFS is left
> at its default (as suggested by local.conf.sample.extended),
> recipe parsing fails:
> 
>   bitbake kern-tools-native # or anything else for that matter
>   ERROR: <poky.git>/meta/recipes-core/images/build-appliance-
> image_15.0.0.bb: No IMAGE_CMD defined for IMAGE_FSTYPES entry
> 'debugfs_vmdk' - possibly invalid type name or missing support class
>   ERROR: Failed to parse recipe: <poky.git>/meta/recipes-
> core/images/build-appliance-image_15.0.0.bb
> 
>   Summary: There was 1 WARNING message shown.
>   Summary: There were 2 ERROR messages shown, returning a non-zero exit
> code.
> 
> i.e. bitbake doesn't even finish parsing...
> 
> Since IMAGE_FSTYPES_DEBUGFS is based on IMAGE_FSTYPES, and
> since the build-appliance-image is setting IMAGE_FSTYPES
> to vmdk, image.bbclass/image_types.bbclass will be trying
> to build a debugfs_vmdk, causing the error, as this is not
> implemented.
> 
> One solution to solving this problem could be as simple as
> adding a line
>   IMAGE_FSTYPES_DEBUGFS_remove = "vmdk"
> to the build-appliance-image recipe, but that is very
> specific to the error encountered and carries the risk of
> the error being reintroduced in another recipe.
> 
> Another solution could be to add 'debugfs_vmdk' to
> IMAGE_TYPES_MASKED in image-vm.bbclass, but again, this
> approach doesn't seem generic enough.
> 
> None of the live and vm type images have an implementation
> for building a debugfs version, it doesn't seem to make
> sense to build debugfs versions of any of them anyway, and
> given IMAGE_TYPES_MASKED appears to be intended for those
> image types exclusively, it seems the right approach is to
> unconditionally also mask all debugfs_ flavours from
> IMAGE_TYPES_MASKED to achieve a generic solution.
> 
> Do that so.
> 
> Signed-off-by: André Draszik <git at andred.net>
> ---
>  meta/classes/image.bbclass | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
> index 8c8b8a2..07bd2d6 100644
> --- a/meta/classes/image.bbclass
> +++ b/meta/classes/image.bbclass
> @@ -415,6 +415,7 @@ python () {
>      d.appendVarFlag('do_image', 'vardeps', ' '.join(vardeps))
>  
>      maskedtypes = (d.getVar('IMAGE_TYPES_MASKED', True) or "").split()
> +    maskedtypes = [dbg + t for t in maskedtypes for dbg in ("",
> "debugfs_")]
>  
>      for t in basetypes:
>          vardeps = set()