From: Michael Prokop <mika@grml.org>
Date: Wed, 3 Jun 2020 11:45:54 +0000 (+0200)
Subject: Reread partition table after installing MBR to ensure devices exist
X-Git-Tag: v0.18.1~1^2
X-Git-Url: https://git.grml.org/?p=grml2usb.git;a=commitdiff_plain;h=fcf63b74e77193db1cc5e797e79f20736de23222;hp=fcf63b74e77193db1cc5e797e79f20736de23222

Reread partition table after installing MBR to ensure devices exist

We need to execute blockdev after installing the MBR, otherwise
the devices might not exist yet as expected and executing syslinux
can fail therefore.

While at it remove duplicate mbrtemplate python docstring in install_mbr

Closes: grml/grml2usb#33
Thanks: Darshaka Pathirana for debugging
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