[bug #57621] GRUB can't compare file timestamps on FAT

[David Michael]

URL:
  <https://savannah.gnu.org/bugs/?57621>

                 Summary: GRUB can't compare file timestamps on FAT
                 Project: GNU GRUB
            Submitted by: dm0
            Submitted on: Fri 17 Jan 2020 02:36:16 PM UTC
                Category: Filesystem
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Git master
         Reproducibility: Every Time
         Planned Release: None

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Details:

I tried to check which files are newest on a FAT ESP, but the "test file1 -nt
file2" command always returns false regardless of file ordering.  I was able
to use this successfully on other file systems (e.g. HFS).

Could it maybe fall back to testing file creation time if modification time is
unavailable?  That is enough for my case since the files aren't modified after
creation.




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