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[bug #41030] grub-install does not check arguments for sanity before pro

Subject: [bug #41030] grub-install does not check arguments for sanity before proceeding
Date: Sun, 29 Dec 2013 21:20:20 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36


                 Summary: grub-install does not check arguments for sanity
before proceeding
                 Project: GNU GRUB
            Submitted by: qwertial
            Submitted on: Sun 29 Dec 2013 09:20:19 PM GMT
                Category: Installation
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: Git master
         Reproducibility: Every Time
         Planned Release: None



To reproduce: run

grub-install --target=i386-pc --verbose /dev/bull

and observe that it copies modules before even establishing that /dev/bull is
not an actual block device.

There's an opportunity for some "smart" behaviour here: for example, when
given a directory (instead of a device node) as the installation target
argument, GRUB could use it as if it were passed as --boot-directory, and
install itself to the underlying partition's disk. (For the mingw port,
specifying a drive letter in this way would be less awkward than using paths
like \\?\PhysicalDrive0.) But this is just a suggestion.

Also, grub-install could check whether a configuration file exists in the boot
directory, and prompt the user to create one (or just prompt unconditionally).


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