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iso-image: Do not use batch operations for mcopy.

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```
       b      Batch mode. Optimized for huge recursive copies, but less secure if a crash happens during the copy.
```

It seems the "less secure if a crash happens" does not need a crash to
happen.

With batch mode:

```
/[...]/.
  Start (0) does not point to parent (___)
```

For pretty much everything copied in.

Without batch mode, everything passes `fsck`.

See #51150
This commit is contained in:
Samuel Dionne-Riel 2018-11-28 19:14:54 -05:00
parent 0a367c41ea
commit 3864438049
1 changed files with 1 additions and 1 deletions
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2
nixos/modules/installer/cd-dvd/iso-image.nix
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@ -339,7 +339,7 @@ let
echo "Image size: $image_size"
truncate --size=$image_size "$out"
${pkgs.libfaketime}/bin/faketime "2000-01-01 00:00:00" ${pkgs.dosfstools}/sbin/mkfs.vfat -i 12345678 -n EFIBOOT "$out"
mcopy -bpsvm -i "$out" ./* ::
mcopy -psvm -i "$out" ./* ::
# Verify the FAT partition.
${pkgs.dosfstools}/sbin/fsck.vfat -vn "$out"
''; # */