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initramfs: introduced `resume` script, to check and trigger a `switch_root` if viable

0.2-maint
Alejandro Mery 15 years ago
parent
commit
ad16af2199
1 changed files with 43 additions and 0 deletions
  1. +43
    -0
      initramfs/sbin_resume.sh

+ 43
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initramfs/sbin_resume.sh

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#!/bin/sh
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: target/idunn/initramfs/sbin_resume.sh
# Copyright (C) 2008 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
# just once!
LOCK=/var/run/init.lock
ln -s / $LOCK 2> /dev/null || return
if /etc/rc.d/rc.trymount; then
# rootfs mounted
. /etc/rc.d/functions.in
. /etc/conf/idunn
if ! grep -q "^[^ ]* $rootfs [^ ]* $root_mode[, ]" /proc/mounts; then
title "Remouting $rootfs as $root_mode"
check mount -o remount,$root_mode "$rootfs"
status
fi
title "Checking for init ($init)"
if [ -n "$init" -a -x "$rootfs$init" ]; then
check touch /var/run/.idunn-resume
else
check false
fi
status
else
error=1
fi
rm -f $LOCK
exit $error

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