[Bug 996443] [NEW] use UUID=0 for "this partition"

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Any version, any release and probably any distribution.

What happens.

When GParted makes a backup of a partition, two partitions with the same UUID exist, which is contrary to principle.
This produces a lot of confusion if both are visible, such as one being mounted but the other one is locked.
If the backup UUID is changed, you get (for example) an unbootable backup system because fstab mounts the wrong UUID.

What should happen.

If UUID=0 meant "the UUID of the partition in which this reference is located" there would be no need to change the fstab (mounting UUID=0).
If GParted made a backup with a different UUID (by default, optionally same or user specified UUID such as similar to previous one), there would no longer be any UUID concern.

What should result.

One more easy step towards a system as or more easy to use as ... other
ones.

** Affects: gparted (Ubuntu)
     Importance: Undecided
         Status: New

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use UUID=0 for "this partition"
https://bugs.launchpad.net/bugs/996443
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