[Bug 1482851] Re: Windows 10 is detected as Windows 8

[Mathieu Trudel-Lapierre]

Reviewed this, I'll sponsor the SRU in a moment.

** Also affects: os-prober (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: os-prober (Ubuntu Trusty)
       Status: New => In Progress

** Changed in: os-prober (Ubuntu Trusty)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1482851

Title:
  Windows 10 is detected as Windows 8

Status in os-prober package in Ubuntu:
  Fix Released
Status in os-prober source package in Trusty:
  In Progress

Bug description:
  [Impact]

  Windows 10 not detected corrected during or after installation]

  [Test Case]

  One possibility below. Another is to have Windows 10 already on eg
  pre-installed machine and installing Ubuntu on it.

  [Regression Potential]

  None, the patch is trivial if no typos slip through..

  ---

  
  Steps to reproduce:
  * Clean pc
  * Install Windows 8.1, let it use the entire disk
  * Dual boot installation Ubuntu 15.04.
  * Verify that that Grub shows Windows 8 when booting up
  * Verify that you can boot into Windows from the grub menu
  * Verify that you can boot into Ubuntu from the grub menu
  * Verify that os-prober detects "Windows 8 (loader)" on sda1
  * Upgrade Windows 8.1 to Windows 10
  * (Additional steps may be required to restore grub after Windows upgrade)
  * Verify that you can boot into Windows 10 from the grub menu
  * Verify that you can boot into Ubuntu from the grub menu
  * Run os-prober

  Expected result:
  /dev/sda1:Windows 10 (loader):Windows:chain

  Actual result:
  /dev/sda1:Windows 8 (loader):Windows:chain

  Ubuntu 15.04
  os-prober 1.63ubuntu1

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