From: Michael Prokop <mika@grml.org>
Date: Fri, 14 Dec 2018 08:37:33 +0000 (+0100)
Subject: grml-chroot: iff /proc/cmdline exists don't try to mount again
X-Git-Tag: v2.8.2~1
X-Git-Url: http://git.grml.org/?a=commitdiff_plain;h=a753f245b085d1f2e213e0b4d66c8041a3a0d4b7;hp=a753f245b085d1f2e213e0b4d66c8041a3a0d4b7;p=grml-scripts.git

grml-chroot: iff /proc/cmdline exists don't try to mount again

There's no point in mounting /proc, /sys, /dev + /dev/pts
once again if it's mounted already. The easiest and cheapest
way to detect this is looking for file /proc/cmdline. If
/proc/cmdline exists assume that the chroot has the filesystems
mounted already.

Closes: https://github.com/grml/grml-scripts/issues/4
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