[bug #60028] grub2-install reports " "cannot find EFI directory" if there is a misleading apparent duplicate ESP path in /boot

[Lewis Smith]

URL:
  <https://savannah.gnu.org/bugs/?60028>

                 Summary: grub2-install reports " "cannot find EFI directory"
if there is a misleading apparent duplicate ESP path in /boot
                 Project: GNU GRUB
            Submitted by: lewyssmith
            Submitted on: Tue 09 Feb 2021 11:23:26 AM UTC
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Lewis Smith
        Originator Email: lewyssmith@laposte.net
             Open/Closed: Open
                 Release: 
                 Release: 2.02
         Discussion Lock: Any
         Reproducibility: Every Time
         Planned Release: None

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Details:

 https://bugs.mageia.org/show_bug.cgi?id=28292

On a Mageia 7 system, unusually the ESP path is /boot/EFI/[EFI/] i.e. the ESP
is mounted on /boot/EFI/ ; rather than on the more normal /boot/efi/. (In
Mageia 8 both variants are linked).
By chance, this user had an additional spurious empty directory
/boot/efi/EFI/, and grub2-install always fails thus:
 # grub2-install
 installing for x86_64-efi platform
 grub2-install: error: cannot find EFI directory

Once the extra directory is removed, leaving just the correct
/boot/EFI[/ESP...], the 'grub2-install command works, so is clearly upset by
the half-duplicate path.
 # grub2-install
 Installation finished. No error reported

I checked all open bugs first...




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