bugGNU GRUB - Bugs: bug #41030, grub-install does not check...


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bug #41030: grub-install does not check arguments for sanity before proceeding

Submitted by:  <qwertial>
Submitted on:  Sun 29 Dec 2013 09:20:19 PM UTC  
Category:  Installation Severity:  Major
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release: 
Release:  Git master Reproducibility:  Every Time
Planned Release:  2.03+

Mon 30 Dec 2013 01:43:47 AM UTC, comment #1:

Attempting to guess what the user might have wanted is the way to get spaghetti unextendable code resulting in unexpected result. E.g. grub-install C: already has a meaning: install to C PBR. Overloading it with other meanings will add ambiguity.

Vladimir Serbinenko <phcoder>
Project Administrator
Sun 29 Dec 2013 09:20:19 PM UTC, original submission:

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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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    Wed 02 Mar 2016 12:12:18 PM UTC phcoder Planned ReleaseNone => 2.03+

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