[U-Boot] [PATCH] gpt: add part-uuid and part-num subcommands

[Otavio Salvador]

On Wed, Nov 8, 2017 at 3:16 PM, Andrey Yurovsky <yurovsky at gmail.com> wrote:
> On Wed, Nov 8, 2017 at 2:47 AM Otavio Salvador
> <otavio.salvador at ossystems.com.br> wrote:
>>
>> On Tue, Nov 7, 2017 at 10:43 PM, your name <yurovsky at gmail.com> wrote:
>> > From: Andrey Yurovsky <yurovsky at gmail.com>
>> >
>> > It is useful to be able to retrieve a partition UUID or number given
>> > the partition label, for instance some systems use the partition label
>> > to indicate the purpose of the partition (such as "rootfs0" being the
>> > 0th root file system in an A/B image scheme).
>> >
>> > Add "gpt part-uuid" to retrieve the partition UUID for a given label and
>> > "gpt part-num" to retrieve the partition number for a given label along
>> > with some documentation.
>> >
>> > Signed-off-by: Andrey Yurovsky <yurovsky at gmail.com>
>>
>> Why not use the 'part' cmd? it provides it.
>
>
> The use case is, given a label, find the UUID and/or the partition number. I
> see that 'part' can give me the UUID if I knew the partition number, it can
> print the whole table (but I don't think I can use that output cleanly), and
> it can list the partition numbers. I don't think I can solve my problem with
> 'part' as-is unless I have missed something.
>
> If that's the case would it be alright to add these subcommands to 'part'?
> Thank you again,

It looks to be the best approach for me.

-- 
Otavio Salvador                             O.S. Systems
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