Bug#468855: live-helper: make image large enough

[wijnen at debian.org (Bas Wijnen)]

Package: live-helper
Version: 1.0~a38-1
Severity: Normal
Tags: Patch

When building a very minimal live system on a usb-hdd target, the
generated image is too small.  The problem is in lh_binary_usb-hdd, line
85:

REAL_DIM="$(expr ${DU_DIM} + ${DU_DIM} / 50)"

A very minimal system is smaller than 50MB, and so this is the same as
DU_DIM for such a system.  This is too small.  Unconditionally adding
one, making it:

REAL_DIM="$(expr ${DU_DIM} + ${DU_DIM} / 50 + 1)"

Solves the problem.

Thanks,
Bas

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