[OE-core] [PATCH 2/2] rootfs_rpm.bbclass: don't remove rpmlib when INC_RPM_IMAGE_GEN=1

[Koen Kooi]

Op 9 mei 2012, om 17:15 heeft Mark Hatle het volgende geschreven:

> On 5/9/12 10:01 AM, Koen Kooi wrote:
>> 
>> Op 9 mei 2012, om 16:52 heeft Mark Hatle het volgende geschreven:
>> 
>>> On 5/9/12 3:50 AM, Koen Kooi wrote:
>>>> 
>>>> Op 9 mei 2012, om 10:20 heeft Robert Yang het volgende geschreven:
>>>> 
>>>>> Don't remove rpmlib when INC_RPM_IMAGE_GEN=1, otherwise the
>>>>> list_installed_packages would get nothing in the second build.
>>>> 
>>>> What happens when I do a build, enable INC_RPM_IMAGE_GEN and do another build?
>>> 
>>> The intention is that only the packages that have been changed/upgraded will be installed.  Instead of the whole image being generated from scratch each time.
>> 
>> That's what INC_RPM_IMAGE_GEN does, yes. What I'm asking is how this patch addresses the sequence I outlined above.
> 
> Explain what you mean by "build".
> 
> Using the following:
> 
> . ./oe-init-build-env build-test
> <setup local.conf w/ rpm packaging and INC_RPM_IMAGE_GEN>
> bitbake core-image-core
> --- time passes, git pull pulls in changes ---
> bitbake core-image-core
> 
> The second "build", only the changed packages will be added to the image.
> 
> You you are using different build directories, then it doesn't re-use anything.  The purpose of this is incremental software development within a single build directory.

You are still missing my point. The patch is broken if you change INC_RPM_IMAGE_GEN