From: Michael Prokop <mika@grml.org>
Date: Wed, 24 May 2017 13:31:21 +0000 (+0200)
Subject: Option --rw-blockdev: ensure to set device to rw between grub-install runs + don... 
X-Git-Tag: v0.15.1~1
X-Git-Url: https://git.grml.org/?p=grml2usb.git;a=commitdiff_plain;h=463068976531bda91d3fe79246bd58bc3f88031d;hp=463068976531bda91d3fe79246bd58bc3f88031d

Option --rw-blockdev: ensure to set device to rw between grub-install runs + don't set rw on source

If we're invoking set_rw on the source device this probably
points to the source ISO which will fail.

On the other side we invoke grub-intall with and without --force
in a loop and have to unblock the underlying block device in
between as well, otherwise failing to install.
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