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#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
if [[ "$root" = "mgainstaller" ]]; then
mkdir -p /run/drakx
# Turn off kernel messages while we run stage1 (it messes up curses control)
stage1printk=
if [[ -f /proc/sys/kernel/printk ]]; then
stage1printk=$(cat /proc/sys/kernel/printk)
echo '0 0 0 0' >/proc/sys/kernel/printk
fi
# Run stage1 This ensures that stage2 is available and mounted on /tmp/stage2
# Note: We could run this later but it makes sense to do it at the "correct"
# time in the dracut init stage.
stage1rv="53" # 0x35
while [[ "$stage1rv" = "53" ]]; do
stage1
stage1rv=$?
if [[ "$stage1rv" = "66" ]]; then
# exit code 66 is "proceed" aka, run /sbin/init after doing some
# symlinking/bind mounts
>/run/drakx/run-init
fi
done
# Restore kernel messages
if [[ -n "$stage1printk" ]]; then
echo "$stage1printk" >/proc/sys/kernel/printk
fi
# Create a fake sysroot to please dracut and allow it to continue
# Our stage2 reuses the root environment provided by the initrd.
# We do not actually switch to a new root. Hence we hack over the switch_root
# command to allow dracut to continue as normal (shutting down udev etc.)
# before we take over again later. As there are no hook points at later
# stages, this is the cleanest way without modifying dracut itself
# /sysroot has to be a mountpoint
mount -t tmpfs -o mode=755,nodev,nosuid none /sysroot
# Fool usable_root()
mkdir -p /sysroot/dev
mkdir -p /sysroot/proc
mkdir -p /sysroot/sys
# Create a fake init (it will never be run)
mkdir -p /sysroot/sbin
>/sysroot/sbin/init
chmod a+x /sysroot/sbin/init
# Inject our fake switch_root to run stage2
mv /usr/sbin/switch_root /usr/sbin/switch_root.real
ln -sf stage2-fake-switch_root /usr/sbin/switch_root
fi
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