So I guess in my case it is more complicated, however as an example.

Say I want to customze the background of plymouth charge on the livecd-

/usr/share/plymouth/themes/charge/charge.plymouth
Change the settings to
BackgroundStartColor=0x000000
BackgroundEndColor=0x000000

I can do this 3 ways.
a) rebuild the plymouth-theme-charge package.
b) create a simple package with a rpm trigger or rpm post script to change this.
c) do it via the post installation

All 3 ways will work,  easiest should be c). However even though I can update the initramfs in %post, it is not used since the initrd0.img is created prior to the post install scripts getting run.

I totally agree %post should run as last, however in the case of a live image creation the initrd0.img gets copied out of the install environment prior to %post getting run. Kind of defeats the purpose of %post, if I am not mistaken.

Perhaps the patch I posted is not the best solution, but I think it should be possible to manipulate the contents of initrd0.img from post.

On 02/12/2010 10:09 AM, James Heather wrote:
Grant,

I'm intrigued as to why you want to do it.

Intuitively, if the initramfs copying process is as independent of the %post scripts as you suggest, then it's not obvious why it would be of any benefit to switch the order round.

James

On Fri, 2010-02-12 at 09:04 +0000, Grant Williamson wrote: 
Jeremy,
     I agree with you on that, however in a livecd image creation 
process, the initramfs is being copied outside the normal running 
environment. So I would say in this case the contract does not apply in 
the same sense.


On 02/12/2010 08:11 AM, Jeremy Katz wrote:
> On Thu, Feb 11, 2010 at 2:18 PM, Grant Williamson<traxtopel@gmail.com>  wrote:
>    
>> I am wondering why the initramfs is copied prior to the post install
>> scripts being run.
>> In my case I want to customize this.
>>
>> The following patch allows me to do this, I am curious are there are
>> issues doing this.
>>      
> There's a very big issue.  It means that %post isn't the last thing
> that's run.  One of the contracts of kickstart is that %post is the
> last thing that runs.
>
> - Jeremy
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