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|
#!/bin/sh
. /etc/initrd.defaults
. /etc/initrd.scripts
splash() {
return 0
}
[ -e /etc/initrd.splash ] && . /etc/initrd.splash
# Clean input/output
exec >${CONSOLE} <${CONSOLE} 2>&1
if [ "$$" != '1' ]
then
echo '/linuxrc has to be run as the init process as the one'
echo 'with a PID of 1. Try adding init="/linuxrc" to the'
echo 'kernel command line or running "exec /linuxrc".'
exit 1
fi
mount -t proc -o noexec,nosuid,nodev proc /proc >/dev/null 2>&1
mount -o remount,rw / >/dev/null 2>&1
# Prevent superfluous printks from being printed to the console
echo 1 > /proc/sys/kernel/printk
# Set up symlinks
/bin/busybox --install -s
if [ "$0" = '/init' ]
then
[ -e /linuxrc ] && rm /linuxrc
fi
CMDLINE=$(cat /proc/cmdline)
# Scan CMDLINE for any specified real_root= or cdroot arguments
FAKE_ROOT=''
FAKE_INIT=''
FAKE_ROOTFLAGS=''
ROOTFSTYPE='auto'
CRYPT_SILENT=0
QUIET=''
mkdir -p /etc/cmdline /etc/modprobe.d
for x in ${CMDLINE}
do
case "${x}" in
real_root=*)
REAL_ROOT=${x#*=}
;;
root=*)
FAKE_ROOT=${x#*=}
;;
subdir=*)
SUBDIR=${x#*=}
;;
real_init=*)
REAL_INIT=${x#*=}
;;
init=*)
FAKE_INIT=${x#*=}
;;
# Livecd options
cdroot)
CDROOT=1
;;
cdroot=*)
CDROOT=1
CDROOT_DEV=${x#*=}
;;
cdroot_type=*)
CDROOT_TYPE=${x#*=}
;;
cdroot_marker=*)
CDROOT_MARKER=${x#*=}
;;
# Start livecd loop, looptype options
loop=*)
LOOP=${x#*=}
;;
looptype=*)
LOOPTYPE=${x#*=}
;;
isoboot=*)
ISOBOOT=${x#*=}
;;
# Start Volume manager options
dolvm)
USE_LVM_NORMAL=1
;;
dolvm2)
bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
USE_LVM_NORMAL=1
;;
domdadm)
USE_MDADM=1
;;
dodmraid)
USE_DMRAID_NORMAL=1
;;
dodmraid=*)
DMRAID_OPTS=${x#*=}
USE_DMRAID_NORMAL=1
;;
domultipath)
good_msg "Booting with multipath activated."
USE_MULTIPATH_NORMAL=1
;;
dozfs*)
USE_ZFS=1
if [ "${x#*=}" = 'force' ]
then
ZPOOL_FORCE=-f
fi
;;
dobtrfs*)
USE_BTRFS=1
;;
quiet)
QUIET=1
;;
# Debug Options
debug)
DEBUG='yes'
;;
# Scan delay options
scandelay=*)
SDELAY=${x#*=}
;;
scandelay)
SDELAY=3
;;
# Module no-loads
doload=*)
MDOLIST=${x#*=}
MDOLIST=$(echo ${MDOLIST} | sed -e 's/,/ /g')
;;
nodetect)
NODETECT=1
;;
noload=*)
MLIST=${x#*=}
MLIST="$(echo ${MLIST} | sed -e 's/,/ /g')"
export MLIST
;;
# Redirect output to a specific tty
CONSOLE=*|console=*)
CONSOLE=${x#*=}
CONSOLE=$(basename ${CONSOLE})
# exec >${CONSOLE} <${CONSOLE} 2>&1
;;
# /dev/md
lvmraid=*)
RAID_DEVICES="${x#*=}"
RAID_DEVICES="$(echo ${RAID_DEVICES} | sed -e 's/,/ /g')"
USE_LVM_NORMAL=1
;;
part=*)
MDPART=${x#*=}
;;
part|partitionable)
MDPART=1
;;
# NFS
ip=*)
IP=${x#*=}
;;
nfsroot=*)
NFSROOT=${x#*=}
;;
# iSCSI
iscsi_initiatorname=*)
ISCSI_INITIATORNAME=${x#*=}
;;
iscsi_target=*)
ISCSI_TARGET=${x#*=}
;;
iscsi_tgpt=*)
ISCSI_TGPT=${x#*=}
;;
iscsi_address=*)
ISCSI_ADDRESS=${x#*=}
;;
iscsi_port=*)
ISCSI_PORT=${x#*=}
;;
iscsi_username=*)
ISCSI_USERNAME=${x#*=}
;;
iscsi_password=*)
ISCSI_PASSWORD=${x#*=}
;;
iscsi_username_in=*)
ISCSI_USERNAME_IN=${x#*=}
;;
iscsi_password_in=*)
ISCSI_PASSWORD_IN=${x#*=}
;;
iscsi_debug=*)
ISCSI_DEBUG=${x#*=}
;;
iscsi_noibft)
ISCSI_NOIBFT=1
;;
# Crypto
crypt_root=*)
CRYPT_ROOT=${x#*=}
;;
crypt_swap=*)
CRYPT_SWAP=${x#*=}
;;
root_key=*)
CRYPT_ROOT_KEY=${x#*=}
;;
root_keydev=*)
CRYPT_ROOT_KEYDEV=${x#*=}
;;
root_trim=*)
CRYPT_ROOT_TRIM=${x#*=}
;;
swap_key=*)
CRYPT_SWAP_KEY=${x#*=}
;;
swap_keydev=*)
CRYPT_SWAP_KEYDEV=${x#*=}
;;
real_resume=*|resume=*)
REAL_RESUME=${x#*=}
;;
noresume)
NORESUME=1
;;
crypt_silent)
CRYPT_SILENT=1
;;
real_rootflags=*)
REAL_ROOTFLAGS=${x#*=}
;;
rootflags=*)
FAKE_ROOTFLAGS=${x#*=}
;;
rootfstype=*)
ROOTFSTYPE=${x#*=}
;;
keymap=*)
keymap=${x#*=}
;;
aufs)
aufs=1
;;
aufs\=*)
aufs=1
if echo "${x#*=}" | grep , &>/dev/null; then
aufs_dev_uid=${x#*,}
aufs_dev=${x%,*}
else
aufs_dev=${x#*=}
fi
;;
# Allow user to specify the modules location
aufs.modules\=*)
aufs_modules_dir=${x#*=}
aufs_modules=1
;;
unionfs)
if [ ! -x /sbin/unionfs ]
then
USE_UNIONFS_NORMAL=0
bad_msg 'unionfs binary not found: aborting use of unionfs!'
else
USE_UNIONFS_NORMAL=1
fi
;;
nounionfs)
USE_UNIONFS_NORMAL=0
;;
verify)
VERIFY=1
;;
esac
done
quiet_kmsg
if [ "${CDROOT}" = '0' ]
then
if [ -z "${REAL_ROOT}" -a "${FAKE_ROOT}" != "/dev/ram0" ]
then
REAL_ROOT="${FAKE_ROOT}"
fi
if [ -z "${REAL_INIT}" -a "${FAKE_INIT}" != "/linuxrc" ]
then
REAL_INIT="${FAKE_INIT}"
fi
if [ -z "${REAL_ROOTFLAGS}" ]
then
REAL_ROOTFLAGS="${FAKE_ROOTFLAGS}"
fi
fi
# Set variables based on the value of REAL_ROOT
case "${REAL_ROOT}" in
ZFS=*)
ZFS_POOL=${REAL_ROOT#*=}
ZFS_POOL=${ZFS_POOL%%/*}
USE_ZFS=1
;;
ZFS)
USE_ZFS=1
;;
esac
# Verify that it is safe to use ZFS
if [ "USE_ZFS" = "1" ]
then
for i in /sbin/zfs /sbin/zpool
do
if [ ! -x ${i} ]
then
USE_ZFS=0
bad_msg 'Aborting use of zfs because ${i} not found!'
break
fi
done
[ "USE_ZFS" = "1" ] && MY_HWOPTS="${MY_HWOPTS} zfs"
fi
splash 'init'
cmdline_hwopts
# Mount devfs
mount_devfs
# Mount sysfs
mount_sysfs
# Initialize mdev
good_msg 'Activating mdev'
# Serialize hotplug events
touch /dev/mdev.seq
# Setup hotplugging for firmware loading
echo /sbin/mdev > /proc/sys/kernel/hotplug
# Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
if [ -z "${DO_modules}" ]
then
good_msg 'Skipping module load; disabled via commandline'
elif [ -d "/lib/modules/${KV}" ]
then
good_msg 'Loading modules'
# Load appropriate kernel modules
if [ "${NODETECT}" != '1' ]
then
for modules in ${MY_HWOPTS}
do
modules_scan ${modules}
done
fi
# Always eval doload=...
modules_load ${MDOLIST}
else
good_msg 'Skipping module load; no modules in the ramdisk!'
fi
# Ensure that device nodes are properly configured
mdev -s || bad_msg "mdev -s failed"
# Apply scan delay if specified
sdelay
cd /
# Start iSCSI
if [ -e /bin/iscsistart ]
then
startiscsi
fi
# Setup btrfs, see bug 303529
setup_btrfsctl
# Setup md device nodes if they dont exist
setup_md_device
# Scan volumes
startVolumes
setup_keymap
# Initialize LUKS root device except for livecd's
if [ "${CDROOT}" != 1 ]
then
startLUKS
if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
then
case "${REAL_RESUME}" in
LABEL=*|UUID=*)
RESUME_DEV=""
retval=1
if [ ${retval} -ne 0 ]; then
RESUME_DEV=$(findfs "${REAL_RESUME}" 2>/dev/null)
retval=$?
fi
if [ ${retval} -ne 0 ]; then
RESUME_DEV=$(busybox findfs "${REAL_RESUME}" 2>/dev/null)
retval=$?
fi
if [ ${retval} -ne 0 ]; then
RESUME_DEV=$(blkid -o device -l -t "${REAL_RESUME}")
retval=$?
fi
if [ ${retval} -eq 0 ] && [ -n "${RESUME_DEV}" ]; then
good_msg "Detected real_resume=${RESUME_DEV}"
REAL_RESUME="${RESUME_DEV}"
fi
;;
esac
do_resume
fi
fi
#scan for volumes again in case of lvm inside luks
startVolumes
mkdir -p "${NEW_ROOT}"
CHROOT="${NEW_ROOT}"
# Run debug shell if requested
rundebugshell "before setting up the root filesystem"
if [ "${CDROOT}" = '1' ]
then
# Setup the root filesystem
bootstrapFS
if [ 1 = "$aufs" ]; then
setup_aufs
CHROOT=$aufs_union
else
CHROOT=${NEW_ROOT}
fi
if [ /dev/nfs != "$REAL_ROOT" ] && [ sgimips != "$LOOPTYPE" ] && [ 1 != "$aufs" ]; then
bootstrapCD
fi
if [ "${REAL_ROOT}" = '' ]
then
warn_msg "No bootable medium found. Waiting for new devices..."
COUNTER=0
while [ ${COUNTER} -lt 3 ]; do
sleep 3
let COUNTER=${COUNTER}+1
done
sleep 1
bootstrapCD
fi
if [ "${REAL_ROOT}" = '' ]
then
# Undo stuff
umount "${NEW_ROOT}/dev" 2>/dev/null
umount "${NEW_ROOT}/sys" 2>/dev/null
umount /sys 2>/dev/null
umount "${NEW_ROOT}"
rm -rf "${NEW_ROOT}/*"
bad_msg 'Could not find CD to boot, something else needed!'
CDROOT=0
fi
fi
# Determine root device
good_msg 'Determining root device ...'
while true
do
while [ "${got_good_root}" != '1' ]
do
case "${REAL_ROOT}" in
LABEL=*|UUID=*)
ROOT_DEV=""
retval=1
if [ ${retval} -ne 0 ]; then
ROOT_DEV=$(findfs "${REAL_ROOT}" 2>/dev/null)
retval=$?
fi
if [ ${retval} -ne 0 ]; then
ROOT_DEV=$(busybox findfs "${REAL_ROOT}" 2>/dev/null)
retval=$?
fi
if [ ${retval} -ne 0 ]; then
ROOT_DEV=$(blkid -o device -l -t "${REAL_ROOT}")
retval=$?
fi
if [ ${retval} -eq 0 ] && [ -n "${ROOT_DEV}" ]; then
good_msg "Detected real_root=${ROOT_DEV}"
REAL_ROOT="${ROOT_DEV}"
else
prompt_user "REAL_ROOT" "root block device"
got_good_root=0
continue
fi
;;
ZFS*)
zpool list -H -o name | grep -q "${ZFS_POOL}"
if [ $? -ne 0 ]
then
if [ ! -e /etc/zfs/zpool.cache ]
then
bad_msg "${ZFS_POOL} not imported due to missing zpool.cache file."
else
bad_msg "${ZFS_POOL} absent from zpool.cache file."
fi
bad_msg "Provided that ${ZFS_POOL} exists, you can correct this by:"
bad_msg
bad_msg "1. Dropping to a shell."
bad_msg "2. Running \`zpool import -d /dev/disk/by-id -N ${ZFS_POOL}\`"
bad_msg "3. Pressing Cntl+D to exit."
bad_msg "4. Running \`zpool set cachefile= ${ZFS_POOL}\` (space after equal sign)"
bad_msg " as root after system has booted."
prompt_user "REAL_ROOT" "root block device"
got_good_root=0
continue
fi
ROOT_DEV="${REAL_ROOT#*=}"
if [ "${ROOT_DEV}" != 'ZFS' ]
then
if [ "$(zfs get type -o value -H ${ROOT_DEV})" = 'filesystem' ]
then
got_good_root=1;
REAL_ROOT=${ROOT_DEV}
ROOTFSTYPE=zfs
else
bad_msg "${ROOT_DEV} is not a filesystem"
prompt_user "REAL_ROOT" "root block device"
got_good_root=0
continue
fi
else
bad_msg "root=ZFS is no longer supported."
bad_msg "Please specify root=ZFS=\$DATASET:"
prompt_user "REAL_ROOT" "root block device"
got_good_root=0
continue
fi
if [ ${got_good_root} -ne 1 ]; then
prompt_user "REAL_ROOT" "root block device"
got_good_root=0
fi
continue
;;
esac
if [ "${REAL_ROOT}" = '' ]
then
# No REAL_ROOT determined/specified. Prompt user for root block device.
prompt_user "REAL_ROOT" "root block device"
got_good_root=0
# Check for a block device or /dev/nfs
elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
then
got_good_root=1
else
bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
REAL_ROOT=""
got_good_root=0
fi
done
if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
then
# CD already mounted; no further checks necessary
break
elif [ "${LOOPTYPE}" = "sgimips" ]
then
# sgimips mounts the livecd root partition directly
# there is no isofs filesystem to worry about
break
else
good_msg "Mounting $REAL_ROOT as root..."
if [ "${ROOTFSTYPE}" = 'zfs' ]
then
if [ "zfs get -H -o value mountpoint ${REAL_ROOT}" = 'legacy' ]
then
MOUNT_STATE=rw
else
MOUNT_STATE=rw,zfsutil
fi
else
MOUNT_STATE=ro
fi
# Try to mount the device as ${NEW_ROOT}
if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
findnfsmount
else
# If $REAL_ROOT is a symlink
# Resolve it like util-linux mount does
[ -L ${REAL_ROOT} ] && REAL_ROOT=`readlink ${REAL_ROOT}`
# mount ro so fsck doesn't barf later
if [ "${REAL_ROOTFLAGS}" = '' ]; then
good_msg "Using mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE}"
mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE} ${REAL_ROOT} ${NEW_ROOT}
else
good_msg "Using mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE},${REAL_ROOTFLAGS}"
mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE},${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
fi
fi
# If mount is successful break out of the loop
# else not a good root and start over.
if [ "$?" = '0' ]
then
if [ -d ${NEW_ROOT}/dev -a -x "${NEW_ROOT}${REAL_INIT:-/sbin/init}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
then
break
else
bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
got_good_root=0
REAL_ROOT=''
fi
else
bad_msg "Could not mount specified ROOT, try again"
got_good_root=0
REAL_ROOT=''
fi
fi
done
# End determine root device
#verbose_kmsg
# If CD root is set determine the looptype to boot
if [ "${CDROOT}" = '1' ]
then
good_msg 'Determining looptype ...'
cd "${NEW_ROOT}"
# Find loop and looptype
[ -z "${LOOP}" ] && find_loop
[ -z "${LOOPTYPE}" ] && find_looptype
cache_cd_contents
# If encrypted, find key and mount, otherwise mount as usual
if [ -n "${CRYPT_ROOT}" ]
then
CRYPT_ROOT_KEY="$(head -n 1 "${CDROOT_PATH}"/${CDROOT_MARKER})"
CRYPT_ROOT='/dev/loop0'
good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
losetup /dev/loop0 "${CDROOT_PATH}/${LOOPEXT}${LOOP}"
test_success 'Preparing loop filesystem'
startLUKS
case ${LOOPTYPE} in
normal)
MOUNTTYPE="ext2"
;;
*)
MOUNTTYPE="${LOOPTYPE}"
;;
esac
mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
test_success 'Mount filesystem'
FS_LOCATION='mnt/livecd'
# Setup the loopback mounts, if unencrypted
else # if [ -n "${CRYPT_ROOT}" ]
if [ "${LOOPTYPE}" = 'normal' ]
then
good_msg 'Mounting loop filesystem'
mount -t ext2 -o loop,ro "${CDROOT_PATH}/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
test_success 'Mount filesystem'
FS_LOCATION='mnt/livecd'
elif [ "${LOOPTYPE}" = 'squashfs' ]
then
if [ 1 != "$aufs" ]; then
good_msg 'Mounting squashfs filesystem'
_CACHED_SQUASHFS_PATH="${NEW_ROOT}/mnt/${LOOP}"
_squashfs_path="${CDROOT_PATH}/${LOOPEXT}${LOOP}" # Default to uncached
# Upgrade to cached version if possible
[ "${DO_cache}" -a -f "${_CACHED_SQUASHFS_PATH}" ] \
&& _squashfs_path=${_CACHED_SQUASHFS_PATH}
mount -t squashfs -o loop,ro "${_squashfs_path}" "${NEW_ROOT}/mnt/livecd" || {
bad_msg "Squashfs filesystem could not be mounted, dropping into shell."
if [ -e /proc/filesystems ]; then
fgrep -q squashfs /proc/filesystems || \
bad_msg "HINT: Your kernel does not know filesystem \"squashfs\"."
fi
do_rundebugshell
}
else
good_msg 'Mounting squashfs filesystem'
setup_squashfs_aufs
test_success 'Mount aufs filesystem'
fi
FS_LOCATION='mnt/livecd'
elif [ "${LOOPTYPE}" = 'gcloop' ]
then
good_msg 'Mounting gcloop filesystem'
echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${CDROOT_PATH}/${LOOPEXT}${LOOP}"
test_success 'losetup the loop device'
mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
test_success 'Mount the losetup loop device'
FS_LOCATION='mnt/livecd'
elif [ "${LOOPTYPE}" = 'zisofs' ]
then
FS_LOCATION="${CDROOT_PATH/\/}/${LOOPEXT}${LOOP}"
elif [ "${LOOPTYPE}" = 'noloop' ]
then
FS_LOCATION="${CDROOT_PATH/\/}"
elif [ "${LOOPTYPE}" = 'sgimips' ]
then
# getdvhoff finds the starting offset (in bytes) of the squashfs
# partition on the cdrom and returns this offset for losetup
#
# All currently supported SGI Systems use SCSI CD-ROMs, so
# so we know that the CD-ROM is usually going to be /dev/sr0.
#
# We use the value given to losetup to set /dev/loop0 to point
# to the liveCD root partition, and then mount /dev/loop0 as
# the LiveCD rootfs
good_msg 'Locating the SGI LiveCD Root Partition'
echo ' ' | \
losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
"${NEW_ROOT}${CDROOT_DEV}" \
"${NEW_ROOT}${REAL_ROOT}"
test_success 'losetup /dev/sr0 /dev/loop0'
good_msg 'Mounting the Root Partition'
mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
test_success 'mount /dev/loop0 /'
FS_LOCATION='mnt/livecd'
fi
fi # if [ -n "${CRYPT_ROOT}" ]
if [ 1 = "$aufs" ]; then
union_insert_dir "$CHROOT" "$aufs_ro_branch"
# Function to handle the RC_NO_UMOUNTS variable in $CHROOT/etc/rc.conf
conf_rc_no_umounts
# Fstab changes for aufs
if ! grep -q '^aufs' "$CHROOT/etc/fstab" 2>/dev/null; then
for dir in /var/tmp /tmp; do
[ ! -d $CHROOT$dir ] && mkdir -p "$CHROOT$dir"
done
cat > "$CHROOT/etc/fstab" << FSTAB
####################################################
## ATTENTION: THIS IS THE FSTAB ON THE LIVECD ##
## PLEASE EDIT THE FSTAB at /mnt/gentoo/etc/fstab ##
####################################################
aufs / aufs defaults 0 0
vartmp /var/tmp tmpfs defaults 0 0
tmp /tmp tmpfs defaults 0 0
FSTAB
fi
# When aufs.modules= is used or $CDROOT_PATH/modules
# directory is available
if [[ 1 = "$aufs_modules" || -d $CDROOT_PATH/modules ]]; then
warn_msg "Adding all modules in $aufs_modules_dir/modules/"
if [ mnt/cdrom = "$aufs_modules_dir" ]; then
union_insert_modules "$CDROOT_PATH"
elif [ ! -b "$aufs_modules_dir" ]; then
bad_msg "$aufs_modules_dir is not a valid block device"
bad_msg "aborting modules insert into $aufs_union"
else
mkdir /mnt/modules
mount "$aufs_modules_dir" /mnt/modules
union_insert_modules /mnt/modules
fi
fi
# Copy user keymap file
if [ -e /etc/sysconfig/keyboard ]; then
[ ! -d $CHROOT/etc/sysconfig ] && mkdir -p "$CHROOT/etc/sysconfig"
cp /etc/sysconfig/keyboard "$CHROOT/etc/sysconfig/"
fi
# Create the directories for our new union mounts
[ ! -d $CHROOT$NEW_ROOT ] && mkdir -p "$CHROOT$NEW_ROOT"
# Check to see if we successfully mounted $aufs_dev
if [ -n "$aufs_dev" ] && grep $aufs_dev /etc/mtab 1>/dev/null; then
[ ! -d $CHROOT$aufs_dev_mnt ] && mkdir -p "$CHROOT$aufs_dev_mnt"
mount --move "$aufs_dev_mnt" "$CHROOT$aufs_dev_mnt"
fi
fi
# Unpacking additional packages from NFS mount
# This is useful for adding kernel modules to /lib
# We do this now, so that additional packages can add whereever they want.
if [ "${REAL_ROOT}" = '/dev/nfs' ]
then
if [ -e "${CDROOT_PATH}/add" ]
then
for targz in $(ls ${CDROOT_PATH}/add/*.tar.gz)
do
tarname=$(basename ${targz})
good_msg "Adding additional package ${tarname}"
(cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
done
fi
fi
if [ "${USE_UNIONFS_NORMAL}" = '1' ]; then
setup_unionfs ${NEW_ROOT} /${FS_LOCATION}
CHROOT=/union
elif [ 1 != "$aufs" ]; then
good_msg "Copying read-write image contents to tmpfs"
# Copy over stuff that should be writable
(
cd "${NEW_ROOT}/${FS_LOCATION}"
cp -a ${ROOT_TREES} "${NEW_ROOT}"
) ||
{
bad_msg "Copying failed, dropping into a shell."
do_rundebugshell
}
# Now we do the links.
for x in ${ROOT_LINKS}; do
if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]; then
ln -s "$(readlink ${NEW_ROOT}/${FS_LOCATION}/${x})" "${x}" 2>/dev/null
else
# List all subdirectories of x
find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null |
while read directory; do
# Strip the prefix of the FS_LOCATION
directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
# Skip this directory if we already linked a parent directory
if [ "${current_parent}" != '' ]; then
var=$(echo "${directory}" | grep "^${current_parent}")
if [ "${var}" != '' ]; then
continue
fi
fi
# Test if the directory exists already
if [ -e "/${NEW_ROOT}/${directory}" ]; then
# It does exist, link all the individual files
for file in $(ls /${NEW_ROOT}/${FS_LOCATION}/${directory}); do
if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
fi
done
else
# It does not exist, make a link to the livecd
ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
current_parent="${directory}"
fi
done
fi
done
mkdir -p initramfs proc tmp run sys 2>/dev/null
chmod 1777 tmp
fi
# Have handy /mnt/cdrom (CDROOT_PATH) as well
if [ 1 = "$aufs" ]; then
[ ! -d "$CHROOT$CDROOT_PATH" ] && mkdir "$CHROOT$CDROOT_PATH"
mount --move "$CDROOT_PATH" "$CHROOT$CDROOT_PATH"
else
[ ! -d "$NEW_ROOT$CDROOT_PATH" ] && mkdir -p "$NEW_ROOT$CDROOT_PATH"
mount --move "$CDROOT_PATH" "$NEW_ROOT$CDROOT_PATH"
fi
#UML=$(cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||')
#if [ "${UML}" = 'UML' ]
#then
# # UML Fixes
# good_msg 'Updating for uml system'
#fi
# Let Init scripts know that we booted from CD
export CDBOOT
CDBOOT=1
else
if [ "${USE_UNIONFS_NORMAL}" = '1' ]
then
mkdir /union_changes
mount -t tmpfs tmpfs /union_changes
setup_unionfs /union_changes ${NEW_ROOT}
mkdir -p ${UNION}/tmp/.initrd
elif [ 1 = "$aufs" ]; then
union_insert_dir "$aufs_union" "$NEW_ROOT"
mkdir -p "$aufs_union/tmp/.initrd"
fi
fi # if [ "${CDROOT}" = '1' ]
# Mount the additional things as required by udev & systemd
if [ -f ${NEW_ROOT}/etc/initramfs.mounts ]; then
fslist=$(get_mounts_list)
else
fslist="/usr"
fi
for fs in $fslist; do
dev=$(get_mount_device $fs)
[ -z "${dev}" ] && continue
# Resolve it like util-linux mount does
[ -L ${dev} ] && dev=`readlink ${dev}`
# In this case, it's probably part of the filesystem
# and not a mountpoint
[ -z "$dev" ] && continue
fstype=$(get_mount_fstype $fs)
if get_mount_options $fs | fgrep -q bind ; then
opts='bind'
dev=${NEW_ROOT}${dev}
else
# ro must be trailing, and the options will always contain at least 'defaults'
opts="$(get_mount_options $fs | strip_mount_options),ro"
fi
mnt=${NEW_ROOT}${fs}
cmd="mount -t $fstype -o $opts $dev $mnt"
good_msg "Mounting $dev as ${fs}: $cmd"
if ! $cmd; then
bad_msg "Unable to mount $dev for $fs"
fi
done # for fs in $fslist; do
# Execute script on the cdrom just before boot to update things if necessary
cdupdate
if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
then
good_msg "Entering ${SUBDIR} to boot"
CHROOT="${CHROOT}/${SUBDIR}"
fi
verbose_kmsg
if [ 1 = "$aufs" ]; then
aufs_union_memory=$CHROOT/.unions/memory
mkdir -p "$aufs_union_memory"
mount --move "$aufs_memory" "$aufs_union_memory"
test_success "Failed to move aufs $aufs_memory into the system root"
for dir in /mnt/gentoo $aufs_rw_branch $aufs_ro_branch; do
mkdir -p "$CHROOT$dir"
chmod 755 "$CHROOT$dir"
done
for mount in $aufs_rw_branch $aufs_ro_branch; do
mount --move "$mount" "$CHROOT$mount"
done
fi
good_msg "Booting (initramfs)"
cd "${CHROOT}"
mkdir "${CHROOT}/proc" "${CHROOT}/sys" "${CHROOT}/run" 2>/dev/null
# If devtmpfs is mounted, try move it to the new root
# If that fails, try to unmount all possible mounts of
# devtmpfs as stuff breaks otherwise
for fs in /dev /sys /proc
do
if grep -qs "$fs" /proc/mounts
then
if ! mount --move $fs "${CHROOT}"$fs
then
umount $fs || \
bad_msg "Failed to move and unmount the ramdisk $fs!"
fi
fi
done
if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
then
bad_msg "ERROR: your real /dev is missing console and null"
elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
then
bad_msg "ERROR: your real /dev is missing tty1, required for splash"
fi
# Run debug shell if requested
rundebugshell "before entering switch_root"
# init_opts is set in the environment by the kernel when it parses the command line
exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" ${init_opts}
# If we get here, something bad has happened
splash 'verbose'
bad_msg "A fatal error has occured since ${REAL_INIT:-/sbin/init} did not"
bad_msg "boot correctly. Trying to open a shell..."
exec /bin/bash
exec /bin/sh
exec /bin/ash
exec /bin/dash
exec sh
|