Grub module to return partuuid of a device such as (hd0, gpt1) at boot time

[Steve Kenton]

As far as I can tell there is no search module that can be used to get 
the partuuid at boot time given a grub root device such as (hd0,gtp1). I 
think is would be a useful addition since the resulting partuuid could 
be passed directly to the kernel as root=PARTUUID=xxx and it does not 
seem like it should be hard to do. Am I missing something obvious? And, 
before I jump end the deep end of the pool and try to write it, is 
anyone else working on something similar?

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Steve Kenton