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nixos/install-grub: Fix symlink installation for boot filesystems which don't support symlinking

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Some filesystems like fat32 don't support symlinking and need to be
supported on /boot as an efi system partition. Instead of creating the symlink directly in boot, create the symlink in
a temporary directory which has to support symlinking.
This commit is contained in:
William A. Kennington III 2015-07-05 18:34:45 -07:00
parent c61d048427
commit cb343e7be6
1 changed files with 6 additions and 10 deletions
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16
nixos/modules/system/boot/loader/grub/install-grub.pl
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@ -7,6 +7,7 @@ use File::Path;
use File::stat;
use File::Copy;
use File::Slurp;
use File::Temp;
require List::Compare;
use POSIX;
use Cwd;
@ -506,14 +507,9 @@ my $efiDiffer = $efiTarget ne $prevGrubState->efi;
my $efiMountPointDiffer = $efiSysMountPoint ne $prevGrubState->efiMountPoint;
my $requireNewInstall = $devicesDiffer || $nameDiffer || $versionDiffer || $efiDiffer || $efiMountPointDiffer || (($ENV{'NIXOS_INSTALL_GRUB'} // "") eq "1");
# install a symlink so that grub can detect the boot drive when set
# as the root directory
if (! -l "$bootPath/boot") {
if (-e "$bootPath/boot") {
unlink "$bootPath/boot";
}
symlink ".", "$bootPath/boot";
}
# install a symlink so that grub can detect the boot drive
my $tmpDir = File::Temp::tempdir(CLEANUP => 1) or die "Failed to create temporary space";
symlink "$bootPath", "$tmpDir/boot" or die "Failed to symlink $tmpDir/boot";
# install non-EFI GRUB
if (($requireNewInstall != 0) && ($efiTarget eq "no" || $efiTarget eq "both")) {
@ -521,10 +517,10 @@ if (($requireNewInstall != 0) && ($efiTarget eq "no" || $efiTarget eq "both")) {
next if $dev eq "nodev";
print STDERR "installing the GRUB $grubVersion boot loader on $dev...\n";
if ($grubTarget eq "") {
system("$grub/sbin/grub-install", "--recheck", "--root-directory=$bootPath", Cwd::abs_path($dev)) == 0
system("$grub/sbin/grub-install", "--recheck", "--root-directory=$tmpDir", Cwd::abs_path($dev)) == 0
or die "$0: installation of GRUB on $dev failed\n";
} else {
system("$grub/sbin/grub-install", "--recheck", "--root-directory=$bootPath", "--target=$grubTarget", Cwd::abs_path($dev)) == 0
system("$grub/sbin/grub-install", "--recheck", "--root-directory=$tmpDir", "--target=$grubTarget", Cwd::abs_path($dev)) == 0
or die "$0: installation of GRUB on $dev failed\n";
}
}