[Bug 1017880] Re: Windows7 EFI not detected by os-prober

[Newubunti]

I've "created" - it had been more like copy & paste - an os-probes
script from the existing 20microsoft. So I've now an additional script
/usr/lib/os-probes/mounted/20mircosoft-efi. I'm not a programmer and not
very good in writing script commands so do not expect, that the script
is 100% bullet proof.

The script does

* check for bootmgfw.efi (MS EFI loader)
* check BCD for Windows-Version (same code like in 20microsoft)
* exit with code 1, even if MS EFI loader was found, cause IMO it's a good idea to keep the partition open for more EFI loader probing

The check is as simple as it had been so far for BIOS booting systems.
That does mean that it does not check, if there is an existing main
partition of Windows. But AFAIK from the change log this work is in
progress already.

** Attachment added: "20microsoft-efi"
   https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1017880/+attachment/3403453/+files/20microsoft-efi

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https://bugs.launchpad.net/bugs/1017880

Title:
  Windows7 EFI not detected by os-prober

Status in “os-prober” package in Ubuntu:
  Confirmed

Bug description:
  PC with pre-installed Windows7 , GPT disk , EFI boot.

  os-prober does not detect Windows, as seen here:
  http://paste.ubuntu.com/1057933

  
  Bug initially reported here: http://askubuntu.com/questions/155492/why-cannot-ubuntu-12-04-detect-windows-7-dual-boot/156167#156167

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