Bug#56478: mv in boot-floppies does not work reliably

[Santiago Vila <sanvila@unex.es>]

Package: boot-floppies
Version: 2.2.5
Severity: grave

The "mv" command in the boot floppies is not reliable enough for moving
existing directories.

I have done the following to reproduce this: Downloaded root.bin
from the disks-i386 directory, renamed it to root.bin.gz, gunzip it, and
mount it on /mnt using the loop device. Then I do the following:

mkdir test
cd test
mkdir a b
/mnt/bin/mv a b
ls b  [ at this point, nothing is shown ]

The `a' directory disappears!

The mv command in slink's boot floppies used to work.
Since this bug may cause data loss, I tag it as "grave".

Thanks.

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