93 lines
1.9 KiB
Bash
93 lines
1.9 KiB
Bash
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#!/bin/sh
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. /lib/dracut-lib.sh
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data=$(getarg aufs_root)
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if [ ! -z "$data" ] ; then
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skip_dirs=$(getarg rfreeze_skip_dirs)
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# we can have either "aufs_root=UUID=" or "aufs_root=DIR="
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case $data in
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*UUID=* )
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echo "AAA"
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UUID=${data#UUID=}
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DIR=""
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;;
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*DIR=* )
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UUID=""
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DIR=${data#DIR=}
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;;
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esac
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mount -t tmpfs tmpfs /sysroot/tmp
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mkdir /sysroot/tmp/xinos
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mkdir /sysroot/tmp/sysroot-rw
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mkdir /sysroot/tmp/sysroot-ro
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mount -o bind /sysroot /sysroot/tmp/sysroot-ro
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RES=0
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if [ ! -z "$UUID" ] ; then
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/sbin/fsck.ext2 -y /dev/disk/by-uuid/$UUID
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mount /dev/disk/by-uuid/$UUID /sysroot/tmp/sysroot-rw && RES=1
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fi
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if [ ! -z "$DIR" ] ; then
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RES=1
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fi
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if [ "$RES" = 0 ] ; then
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mount -n -t tmpfs tmpfs /sysroot/tmp/sysroot-rw
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fi
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if [ ! -z "$skip_dirs" ] ; then
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SKIP_DIRS=${skip_dirs//:/ }
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else
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SKIP_DIRS="dev home lost+found media mnt proc run sys tmp"
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fi
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for d in `ls /sysroot `
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do
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skip_dir=0
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if [ ! -d "/sysroot/$d" ] ; then
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continue
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fi
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for sd in $SKIP_DIRS
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do
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if [ $d = $sd ] ; then
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skip_dir=1
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fi
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done
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if [ $skip_dir = 1 ] ; then
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continue
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fi
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if [ ! -e "/sysroot/tmp/sysroot-rw/$d" ] ; then
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if [ $d = "root" ] ; then
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mkdir -m 750 "/sysroot/tmp/sysroot-rw/$d"
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else
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mkdir -m 755 "/sysroot/tmp/sysroot-rw/$d"
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fi
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fi
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if [ ! -d "/sysroot/tmp/sysroot-rw/$d" ] ; then
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continue
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fi
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if [ ! -z "$DIR" ] ; then
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mount -o bind /sysroot/$DIR/$d /sysroot/tmp/sysroot-rw/$d
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fi
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mount -n -t aufs -o nowarn_perm,noatime,xino=/sysroot/tmp/xinos/$d.xino.aufs,dirs=/sysroot/tmp/sysroot-rw/$d=rw:/sysroot/$d=rr none /sysroot/$d
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done
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# cp -f /etc/halt /sysroot/etc/init.d/halt
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# cp -f /etc/functions /sysroot/etc/init.d/functions
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# mount -n -t aufs -o noatime,xino=/xinos/sysroot.xino.aufs,dirs=/sysroot-rw=rw:/sysroot=rr none /sysroot
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fi # if [ ! -z "$data" ]
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