[Bug 1548120] Re: [xenial][initramfs-tools] support uppercase and lowercase uuids

[Manoj Iyer]

tr trick does not work in the initramfs environement.

(initramfs) echo "81780AD9-068C-4A80-A795-56856973B8F9" |  cut -f 2 -d = | tr '[
:upper:]' '[:lower:]'

81780AD9-068C-4A80-A795-56856973B8F9


But awk works:
(initramfs) echo "81780ad9-068c-4a80-a795-56856973b8f9" | awk '{print tolower($0)}'

81780ad9-068c-4a80-a795-56856973b8f9

I will resubmit the patch using awk instead.

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https://bugs.launchpad.net/bugs/1548120

Title:
  [xenial][initramfs-tools] support uppercase and lowercase uuids

Status in initramfs-tools package in Ubuntu:
  Fix Released

Bug description:
  Initramfs tools does not support uppercase UUIDs. Initramfs-tools
  script/functions uses blkid to determine the device name from
  UUID/PARTUUID but if either of those are in uppercase blkid fails to
  return the name.

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