pyrox.dev / nixpkgs
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install-grub: Make more robust against GC'ed system profile entries

Previously this barfed with:

updating GRUB 2 menu...
fileparse(): need a valid pathname at /nix/store/zldbbngl0f8g5iv4rslygxwp0dbg1624-install-grub.pl line 391.
warning: error(s) occured while switching to the new configuration

Eelco Dolstra 1ba20154 468f698f

options
unified split
Changed files
+4
nixos
modules
system
boot
loader
grub
install-grub.pl
+4
nixos/modules/system/boot/loader/grub/install-grub.pl 
···

       
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    my $curEntry = 0;


     

       
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    foreach my $link (@links) {


     

       
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        last if $curEntry++ >= $configurationLimit;


     

       

       
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+

       
        if (! -e "$link/nixos-version") {


     

       

       
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            warn "skipping corrupt system profile entry ‘$link’\n";


     

       

       
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            next;


     

       

       
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        }


     

       
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        my $date = strftime("%F", localtime(lstat($link)->mtime));


     

       
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        my $version =


     

       
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            -e "$link/nixos-version"