Current File : //usr/share/initramfs-tools/scripts/functions
# -*- shell-script -*-
_log_msg()
{
if [ "${quiet?}" = "y" ]; then return; fi
# shellcheck disable=SC2059
printf "$@"
return 0 # Prevents error carry over in case of unavailable console
}
log_success_msg()
{
_log_msg "Success: %s\\n" "$*"
}
log_failure_msg()
{
_log_msg "Failure: %s\\n" "$*"
}
log_warning_msg()
{
_log_msg "Warning: %s\\n" "$*"
}
log_begin_msg()
{
_log_msg "Begin: %s ... " "$*"
}
log_end_msg()
{
_log_msg "done.\\n"
}
# Add failure hook
add_mountroot_fail_hook()
{
# DEPRECATED; this definition remains as a stub but any packages
# calling this function should be revised to remove references to it
return 0
}
panic()
{
local console rest IFS
if command -v chvt >/dev/null 2>&1; then
chvt 1
fi
echo "$@"
# The panic= parameter implies we should disallow console access
if [ -n "${panic?}" ]; then
delay=
case "${panic?}" in
-*[![:digit:].]*) # invalid: wait forever
;;
-*) # timeout < 0: reboot immediately
delay=0
;;
0 | *[![:digit:].]*) # timeout = 0 or invalid: wait forever
;;
*) # timeout > 0: seconds before rebooting
delay="${panic}"
;;
esac
if [ -n "${delay}" ]; then
echo "Rebooting automatically due to panic= boot argument"
sleep "${delay}"
reboot -f
else
echo "Halting automatically due to panic= boot argument"
halt -f
fi
exit # in case reboot fails, force kernel panic
fi
run_scripts /scripts/panic
# Try to use setsid, which will enable job control in the shell
# and paging in more
if command -v setsid >/dev/null 2>&1; then
unset IFS
read -r console rest </proc/consoles
if [ "${console}" = "tty0" ]; then
# Need to choose a specific VT
console="tty1"
fi
# We don't have 'setsid -c' so we need to setsid, open
# the tty, and finally exec an interactive shell
REASON="$*" PS1='(initramfs) ' setsid sh -c "exec sh -i <>/dev/${console} 1>&0 2>&1"
else
REASON="$*" PS1='(initramfs) ' sh -i </dev/console >/dev/console 2>&1
fi
}
maybe_break()
{
case ",${break?}," in
*,$1,*)
if [ "$1" = "top" ]; then
# udev is not yet running, so load keyboard drivers
if [ "${quiet}" = "y" ]; then
opts="-q"
else
opts="-v"
fi
/sbin/modprobe ${opts} -a i8042 atkbd ehci-pci ehci-orion \
ehci-hcd ohci-hcd ohci-pci uhci-hcd usbhid xhci \
xhci-pci xhci-hcd
sleep 2
for modalias in /sys/bus/hid/devices/*/modalias; do
if [ -f "${modalias}" ]; then
/sbin/modprobe ${opts} -b "$(cat "${modalias}")"
fi
done
fi
panic "Spawning shell within the initramfs"
;;
esac
}
# For boot time only; this is overridden at build time in hook-functions
run_scripts()
{
initdir=${1}
[ ! -d "${initdir}" ] && return
shift
. "${initdir}/ORDER"
}
# Load custom modules first
load_modules()
{
if [ -e /conf/modules ]; then
while read -r m; do
# Skip empty lines
if [ -z "$m" ]; then
continue
fi
# Skip comments - d?ash removes whitespace prefix
com=$(printf "%.1s" "${m}")
if [ "$com" = "#" ]; then
continue
fi
# shellcheck disable=SC2086
/sbin/modprobe $m
done < /conf/modules
fi
}
_uptime() {
local uptime
uptime="$(cat /proc/uptime)"
uptime="${uptime%%[. ]*}"
echo "$uptime"
}
time_elapsed() {
# shellcheck disable=SC2154
if [ -z "$starttime" ]; then
log_failure_msg "time_elapsed() called before \$starttime initialized"
echo 0
fi
local delta
delta="$(_uptime)"
delta=$((delta - starttime))
echo "$delta"
}
# lilo compatibility
parse_numeric() {
case $1 in
*:*)
# Does it match /[0-9]*:[0-9]*/?
minor=${1#*:}
major=${1%:*}
case $major$minor in
*[!0-9]*)
# No.
return
;;
esac
;;
"" | *[!A-Fa-f0-9]*)
# "", "/*", etc.
return
;;
*)
# [A-Fa-f0-9]*
value=$(( 0x${1} ))
minor=$(( (value & 0xff) | (value >> 12) & 0xfff00 ))
major=$(( (value >> 8) & 0xfff ))
;;
esac
# shellcheck disable=SC2034
ROOT="/dev/block/${major}:${minor}"
}
# Parameter: device node to check
# Echos fstype to stdout
# Return value: indicates if an fs could be recognized
get_fstype ()
{
local FS FSTYPE
FS="${1}"
FSTYPE=$(blkid -o value -s TYPE "${FS}") || return
echo "${FSTYPE}"
return 0
}
_set_netdev_from_ip_param()
{
# If the ip= parameter is present and specifies a device, use
# that in preference to any device name we already have
local rc=1
local IFS=:
set -f
# shellcheck disable=SC2086
set -- ${IP}
set +f
if [ -n "$6" ]; then
DEVICE="$6"
rc=0
fi
case "$IP6" in
""|on|dhcp|any|none|off)
;;
*)
DEVICE6="$IP6"
rc=0
;;
esac
return $rc
}
_set_netdev_from_hw_address()
{
local want_address="$1"
local device
for device in /sys/class/net/*; do
if [ -f "$device/address" ] &&
[ "$(cat "$device/address")" = "$want_address" ]; then
DEVICE="${device##*/}"
DEVICE6="${device##*/}"
return 0
fi
done
return 1
}
_usable_netdev_exists()
{
# Look for a device with IFF_LOOPBACK clear and (IFF_BROADCAST
# or IFF_POINTTOPOINT) set. This is the same test the kernel
# and ipconfig apply to find a device.
local device
local flags
for device in /sys/class/net/*; do
if [ -f "${device}/flags" ]; then
flags="$(cat "${device}/flags")"
if [ "$((flags & 8))" -eq 0 ] &&
[ "$((flags & 0x12))" -ne 0 ]; then
return 0
fi
fi
done
return 1
}
_update_ip_param()
{
# If the ip= parameter is present, and is a colon-separated list,
# but does not specify a device, substitute in the device name
# we have
local IFS=:
set -f
# shellcheck disable=SC2086
set -- ${IP}
set +f
if [ -z "$6" ] && [ $# -ge 2 ] && [ -n "${DEVICE}" ]; then
IP="$1:$2:$3:$4:$5:${DEVICE}"
shift 6 || shift $#
IP="${IP}:$*"
fi
}
configure_networking()
{
local netdev_desc
# The order of precedence here is:
# 1. Device specified by ip= kernel parameter
# 2. Device matching MAC specified by BOOTIF= kernel parameter
# 3. Build-time DEVICE variable
# In case 2 we only discover the device name while waiting
# for a device.
if _set_netdev_from_ip_param; then
if [ -n "${DEVICE}" ] && [ -n "${DEVICE6}" ]; then
netdev_desc="${DEVICE} and ${DEVICE6}"
else
netdev_desc="${DEVICE:-$DEVICE6}"
fi
elif [ -n "${BOOTIF}" ]; then
# pxelinux sets BOOTIF to a value based on the mac address of the
# network card used to PXE boot
# pxelinux sets BOOTIF to 01-$mac_address
# strip off the leading "01-", which isn't part of the mac
# address
temp_mac=${BOOTIF#*-}
# convert to typical mac address format by replacing "-" with ":"
bootif_mac=""
IFS='-'
for x in $temp_mac ; do
if [ -z "$bootif_mac" ]; then
bootif_mac="$x"
else
bootif_mac="$bootif_mac:$x"
fi
done
unset IFS
_set_netdev_from_hw_address "${bootif_mac}"
netdev_desc="device with address ${bootif_mac}"
elif [ -n "${DEVICE}${DEVICE6}" ]; then
if [ -n "${DEVICE}" ] && [ -n "${DEVICE6}" ]; then
netdev_desc="${DEVICE} and ${DEVICE6}"
else
netdev_desc="${DEVICE:-$DEVICE6}"
fi
else
netdev_desc="any network device"
fi
for v in $VLAN; do
VLAN_LINK="$VLAN_LINK ${v##*:}"
VLAN_NAMES="$VLAN_NAMES ${v%:*}"
done
# activate non-autoconfigured s390x devices
for dev in $DEVICE $DEVICE6 $VLAN_LINK; do
# do not chzdev $dev if it is a not-yet-created vlan interface
for vlan_name in $VLAN_NAMES; do
if [ "$dev" = "$vlan_name" ]; then
continue 2
fi
done
case ${dev} in
enc*)
zdev=${dev#enc}
chzdev -e "$zdev" || true
;;
esac
done
for v in $VLAN; do
vlink=${v##*:}
vname=${v%:*}
vid=${vname#*.}
ip link set up dev "$vlink"
ip link add name "$vname" link "$vlink" type vlan id "$vid"
done
local netdevwait=180
log_begin_msg "Waiting up to ${netdevwait} secs for ${netdev_desc} to become available"
while true; do
if [ "$(time_elapsed)" -ge "$netdevwait" ]; then
log_failure_msg "Network device did not appear in time"
break
fi
if [ -n "${DEVICE}" ]; then
[ -e "/sys/class/net/${DEVICE}" ] && break
elif [ -n "${bootif_mac}" ]; then
_set_netdev_from_hw_address "${bootif_mac}" && break
else
_usable_netdev_exists && break
fi
sleep 1
done
log_end_msg
_update_ip_param
wait_for_udev 10
# support ip options see linux sources
# Documentation/filesystems/nfs/nfsroot.txt
# Documentation/frv/booting.txt
for ROUNDTTT in 30 60 90 120; do
local iter_entry_time iter_exit_time
iter_entry_time=$(time_elapsed)
case ${IP} in
none|done|off)
# Do nothing
IP="done"
;;
""|on|any|dhcp|bootp|both)
dhcpcd -1KL -t $ROUNDTTT -4 ${DEVICE:+"${DEVICE}"}
;;
*)
ipconfig -t ${ROUNDTTT} -d "$IP"
;;
esac
case ${IP6} in
""|none|done|off)
# Do nothing
IP6="done"
;;
*)
# check the content of IP6 and if it is not on/dhcp/any use it as
# a device name. Otherwise all devices will be tried (unless
# BOOTIF was set, see above).
case "${IP6}" in
on|dhcp|any)
;;
*)
DEVICE6="$IP6" ;;
esac
dhcpcd -1KL -t $ROUNDTTT -6 ${DEVICE6:+"${DEVICE6}"}
;;
esac
# The NIC is to be configured if this file does not exist.
# Ip-Config tries to create this file and when it succeds
# creating the file, ipconfig is not run again.
if [ -z "${DEVICE}" ] && ls /run/net-*.conf >/dev/null 2>&1 || [ -e /run/net-"${DEVICE}".conf ]; then
IP="done"
fi
if [ -z "${DEVICE6}" ] && ls /run/net6-*.conf >/dev/null 2>&1 || [ -e /run/net6-"${DEVICE6}".conf ]; then
IP6="done"
fi
# if we've reached a point where both IP and IP6 are "done",
# then we're finished with network configuration.
if [ "$IP" = "done" ] && [ "$IP6" = "done" ]; then
break
fi
iter_exit_time=$(time_elapsed)
if [ $((iter_exit_time - iter_entry_time)) -le $ROUNDTTT ]; then
echo "Sleeping $((ROUNDTTT - iter_exit_time + iter_entry_time)) seconds before retrying getting a DHCP lease"
sleep $((ROUNDTTT - iter_exit_time + iter_entry_time))
fi
done
# source ipconfig output for either $DEVICE or the first one.
# If the user is booting with only IPv6, then DEVICE may be set,
# but no IPv4 conf files exist.
for conf in /run/"net-$DEVICE.conf" /run/net-*.conf; do
if [ -e "$conf" ]; then
# source specific bootdevice
. "$conf"
break
fi
done
netinfo_to_resolv_conf /etc/resolv.conf \
/run/"net-${DEVICE}.conf" /run/net-*.conf /run/net6-*.conf
netinfo_to_netplan /run/netplan \
/run/"net-${DEVICE}.conf" /run/net-*.conf /run/net6-*.conf
}
netinfo_to_resolv_conf() {
# netinfo_to_resolv_conf(output, files)
# write resolv_conf from /run/net-<device> style files.
if [ "${_in_subshell:-0}" = "0" ]; then
# subshell to avoid modification of variables by '.'
# shellcheck disable=SC2030
( _in_subshell=1; netinfo_to_resolv_conf "$@" )
return
fi
local output="$1" search="" ns="" f="" n=""
shift
for f in "$@"; do
[ -f "$f" ] || continue
unset IPV4DNS0 IPV4DNS1 IPV6DNS0 IPV6DNS1
unset DOMAINSEARCH IPV6DOMAINSEARCH
. "$f" || { echo "WARN: failed '. \"$f\"'" 1>&2; return 1; }
for n in "${IPV4DNS0}" "${IPV4DNS1}" \
"${IPV6DNS0}" "${IPV6DNS1}"; do
if [ -z "$n" ] || [ "$n" = "0.0.0.0" ]; then
continue
fi
# skip if 'n' already in list.
case " ${ns} " in
*\ $n\ *) continue;;
esac
ns="${ns} ${n}"
done
for n in "${DOMAINSEARCH}" "${IPV6DOMAINSEARCH}"; do
[ -n "$n" ] || continue
# skip if already in search.
case " ${search}" in
*\ $n\ *) continue;;
esac
search="$search $n"
done
search=${search# }
ns=${ns# }
done
local rconf="" CR="
"
for n in ${ns}; do
rconf="${rconf}nameserver $n${CR}"
done
if [ -n "${search}" ]; then
rconf="${rconf}search ${search}${CR}"
fi
if [ -z "$rconf" ]; then
echo "no search or nameservers found in $*" 1>&2
fi
if [ "$rconf" = "-" ]; then
echo -n "$rconf"
else
echo -n "$rconf" > "$output"
fi
}
mask2cidr() {
# https://forum.openwrt.org/viewtopic.php?pid=220781#p220781
# Assumes there's no "255." after a non-255 byte in the mask
local x=${1##*255.}
set -- 0^^^128^192^224^240^248^252^254^ $(( (${#1} - ${#x})*2 )) "${x%%.*}"
x=${1%%"$3"*}
echo $(( $2 + (${#x}/4) ))
}
_declare_sh_append_var() {
# append_var(name, skip, strings)
# write a declaration of name that will append to any existing
local name="$1" skip="$2" add="" n=""
shift 2
for n in "$@"; do
if [ -z "$n" ] || [ "$n" = "$skip" ]; then
continue
fi
add="$add $n"
done
add=${add# }
[ -n "$add" ] || return 0
echo "$name=\"\${${name}:+\${${name}} }${add}\""
}
_declare_ip_info() {
# declare_ip_info(version, proto, address, netmask, gateway)
local version="$1" proto="$2" address="$3" netmask="$4" gateway="$5"
local netprefix=""
case $proto in
dhcp|dhcp4|dhcp6)
echo "dhcp${version}=true"
;;
none)
if [ -n "$address" ]; then
netprefix=$netmask
if [ "$version" = "4" ]; then
netprefix=$(mask2cidr "$netmask")
fi
_declare_sh_append_var addresses "" "$address/$netprefix"
fi
if [ -n "$gateway" ]; then
echo "gateway${version}=$gateway"
fi
;;
esac
}
_render_netplan() {
# write a netplan stanza for the given device.
local name="$1" mac="$2" dhcp4="$3" dhcp6="$4" addrs="$5" \
gateway4="$6" gateway6="$7" ns_addrs="$8" ns_search="$9" \
vlink="${10}" vname="${11}" vid="${12}"
local n found=""
if [ -n "$vlink" ]; then
name=$vlink
fi
echo "network:"
echo " version: 2"
echo " ethernets:"
echo " $name:"
if [ -n "$mac" ] && grep -q net.ifnames=0 /proc/cmdline 2>/dev/null; then
echo " match:"
echo " macaddress: \"$mac\""
echo " set-name: $name"
elif [ -n "$vname" ]; then
echo " {}"
fi
if [ -n "$vname" ]; then
echo " vlans:"
echo " $vname:"
echo " id: $vid"
echo " link: $name"
fi
if [ -n "$dhcp4" ]; then
echo " dhcp4: $dhcp4"
echo " dhcp-identifier: mac"
fi
if [ -n "$dhcp6" ]; then
echo " dhcp6: $dhcp6"
fi
if [ -n "$dhcp4$dhcp6" ]; then
echo " critical: true"
fi
if [ -n "$addrs" ]; then
echo " addresses:"
found=","
for n in $addrs; do
# remove dups
[ "${found#*,"$n",}" = "${found}" ] || continue
found="${found}$n,"
echo " - \"$n\""
done
fi
if [ -n "$gateway4" ]; then
echo " gateway4: \"$gateway4\""
fi
if [ -n "$gateway6" ]; then
echo " gateway6: \"$gateway6\""
fi
if [ -n "$ns_addrs" ]; then
local alist="[" slist=""
for n in $ns_addrs; do
# do not put in duplicates
[ "${alist#*\""$n"\"}" = "$alist" ] || continue
alist="${alist}\"$n\", ";
done
alist="${alist%, }]"
if [ -n "$ns_search" ]; then
slist="["
for n in ${ns_search}; do
# do not put in duplicates
[ "${slist#*\""$n"\"}" = "$slist" ] || continue
slist="${slist}\"$n\", ";
done
slist="${slist%, }]"
fi
echo " nameservers:"
echo " addresses: $alist"
if [ -n "$slist" ]; then
echo " search: $slist"
fi
fi
}
netinfo_to_netplan() {
# read /run/net-* files write netplan config.
# shellcheck disable=SC2031
if [ "${_in_subshell:-0}" = "0" ]; then
# subshell to avoid modification of variables by '.'
( _in_subshell=1; netinfo_to_netplan "$@" )
return
fi
local out_d="$1" tmpd
if command -v mktemp >/dev/null 2>&1; then
tmpd=$(mktemp -d "${TMPDIR:-/tmp}/${0##*/}.XXXXXX")
else
tmpd="${TMPDIR:-/tmp}/${0##*/}.niinfo.$$"
mkdir -p "$tmpd" || return
fi
local devices="" mac=""
# we go through all the files presented and create per-device files in
# a tmpdir that are shell sourceable and closer to the netplan that
# we want to render. Then render those to netplan stanzas.
for f in "$@"; do
[ -f "$f" ] || continue
unset DEVICE DEVICE6 PROTO IPV6PROTO
unset IPV6ADDR IPV6NETMASK IPV6GATEWAY
unset IPV4ADDR IPV4NETMASK IPV4GATEWAY
. "$f" || { echo "WARN: failed '. \"$f\"'" 1>&2; return 1; }
local name=""
name=${DEVICE:-${DEVICE6}}
[ -n "$name" ] || {
echo "WARN: $f did not define DEVICE or DEVICE6" 1>&2;
return 1;
}
case " ${devices} " in
*\ ${name}\ *) :;;
*) devices="${devices} ${name}"
esac
if [ ! -e "$tmpd/$name" ] \
&& [ -r "/sys/class/net/$name/address" ]
then
read -r mac < /sys/class/net/"$name"/address &&
echo "macaddress=$mac" > "$tmpd/$name"
fi
{
for v in $VLAN; do
vlink=${v##*:}
vname=${v%:*}
vid=${vname#*.}
if [ "$name" = "$vname" ]; then
echo "vlink=$vlink"
echo "vname=$vname"
echo "vid=$vid"
break
fi
done
if [ -n "$DEVICE" ]; then
# shellcheck disable=SC2153
_declare_ip_info 4 "$PROTO" "$IPV4ADDR" "$IPV4NETMASK" "$IPV4GATEWAY"
elif [ -n "$DEVICE6" ]; then
_declare_ip_info 6 "$IPV6PROTO" "$IPV6ADDR" "$IPV6NETMASK" \
"$IPV6GATEWAY"
fi
_declare_sh_append_var ns_addresses "0.0.0.0" \
"${IPV4DNS0}" "${IPV4DNS1}" "${IPV6DNS0}" "${IPV6DNS1}"
_declare_sh_append_var ns_search "" "$DOMAINSEARCH" "$IPV6DOMAINSEARCH"
} >> "$tmpd/$name"
done
[ -d "$out_d" ] || mkdir -p "$out_d" ||
{ echo "WARN: failed mkdir $out_d"; return 1; }
for name in $devices; do
local macaddress="" dhcp4="" dhcp6="" addresses=""
local gateway4="" gateway6="" ns_addresses="" ns_search=""
local vlink="" vname="" vid=""
. "$tmpd/$name"
_render_netplan "$name" "$macaddress" "$dhcp4" "$dhcp6" "$addresses" \
"$gateway4" "$gateway6" "$ns_addresses" "$ns_search" \
"$vlink" "$vname" "$vid" \
> "${out_d}/$name.yaml"
done
rm -Rf "$tmpd"
}
# Wait for queued kernel/udev events
wait_for_udev()
{
command -v udevadm >/dev/null 2>&1 || return 0
udevadm settle ${1:+--timeout=$1}
}
# Find a specific fstab entry
# $1=mountpoint
# $2=fstype (optional)
# returns 0 on success, 1 on failure (not found or no fstab)
read_fstab_entry() {
# Not found by default.
found=1
for file in ${rootmnt?}/etc/fstab; do
if [ -f "$file" ]; then
# shellcheck disable=SC2034
while read -r MNT_FSNAME MNT_DIR MNT_TYPE MNT_OPTS MNT_FREQ MNT_PASS MNT_JUNK; do
case "$MNT_FSNAME" in
""|\#*)
continue;
;;
esac
if [ "$MNT_DIR" = "$1" ]; then
if [ -n "$2" ]; then
[ "$MNT_TYPE" = "$2" ] || continue;
fi
found=0
break 2
fi
done < "$file"
fi
done
return $found
}
# Resolve device node from a name. This expands any LABEL or UUID.
# $1=name
# Resolved name is echoed.
resolve_device() {
DEV="$1"
local orig="$DEV"
case "$DEV" in
LABEL=* | UUID=* | PARTLABEL=* | PARTUUID=*)
if ! DEV="$(blkid -l -t "$DEV" -o device)"; then
DEV="$orig"
# Support uppercase and lowercase UUIDs -- see RFC#4122:
# "Each field is treated as an integer and has its value printed as
# a zero-filled hexadecimal digit string with the most significant
# digit first. The hexadecimal values "a" through "f" are output as
# lower case characters and are case insensitive on input."
#
# Note: that blkid which we will use to map these assums the input is lower
# case.
# Only apply this behaviour to UUIDs.
case "$DEV" in
UUID=* | PARTUUID=*) ;;
*) return 1 ;;
esac
# Pull DEV apart and map it.
local type value fmt
type=$(echo "${DEV}" | cut -f 1 -d =)
value=$(echo "${DEV}" | cut -f 2 -d = | tr 'A-F' 'a-f')
# ... in RFC#4122 format;
# look for five hexadecimal fragments separated by minus signs.
fmt=$( echo "$value" | sed -e 's/[0-9a-fA-F]*//g' )
if [ "$fmt" != '----' ]; then
return 1
fi
DEV="${type}=${value}"
# Retry with the lower cased UUID.
DEV="$(blkid -l -t "$DEV" -o device)" || return 1
fi
;;
esac
[ -e "$DEV" ] && echo "$DEV"
}
# Check a file system.
# $1=device
# $2=mountpoint (for diagnostics only)
# $3=type (may be "auto")
_checkfs_once()
{
DEV="$1"
NAME="$2"
TYPE="$3"
if [ "$NAME" = "/" ] ; then
NAME="root"
fi
FSCK_LOGFILE=/run/initramfs/fsck.log
FSCK_STAMPFILE=/run/initramfs/fsck-${NAME#/}
if [ "${TYPE}" = "auto" ]; then
TYPE="$(get_fstype "${DEV}")"
fi
FSCKCODE=0
if [ -z "${TYPE}" ]; then
log_warning_msg "Type of $NAME file system is unknown, so skipping check."
return
fi
if ! command -v fsck >/dev/null 2>&1; then
log_warning_msg "fsck not present, so skipping $NAME file system"
return
fi
if [ "${fastboot?}" = "y" ] ; then
log_warning_msg "Fast boot enabled, so skipping $NAME file system check."
return
fi
if [ "${forcefsck?}" = "y" ]
then
force="-f"
else
force=""
fi
if [ "${fsckfix?}" = "y" ]
then
fix="-y"
elif [ "${fsckfix?}" = "n" ]
then
fix="-n"
else
fix="-a"
fi
spinner=""
if [ -z "${debug?}" ]; then
spinner="-C"
fi
if [ "${quiet}" = n ]
then
log_begin_msg "Will now check $NAME file system"
# shellcheck disable=SC2086
logsave -a -s $FSCK_LOGFILE fsck $spinner $force $fix -V -t "$TYPE" "$DEV"
FSCKCODE=$?
log_end_msg
else
log_begin_msg "Checking $NAME file system"
# shellcheck disable=SC2086
logsave -a -s $FSCK_LOGFILE fsck $spinner $force $fix -T -t "$TYPE" "$DEV"
FSCKCODE=$?
log_end_msg
fi
# NOTE: "failure" is defined as exiting with a return code of
# 4, possibly or-ed with other flags. A return code of 1
# indicates that file system errors were corrected but that
# the boot may proceed.
#
if [ "$FSCKCODE" -eq 32 ]
then
log_warning_msg "File system check was interrupted by user"
elif [ $((FSCKCODE & 4)) -eq 4 ]
then
log_failure_msg "File system check of the $NAME filesystem failed"
return 1
elif [ "$FSCKCODE" -gt 1 ]
then
log_warning_msg "File system check failed but did not detect errors"
sleep 5
else
true >"$FSCK_STAMPFILE"
fi
return 0
}
checkfs()
{
while ! _checkfs_once "$@"; do
panic "The $2 filesystem on $1 requires a manual fsck"
done
}
# Mount a file system. We parse the information from the fstab. This
# should be overridden by any boot script which can mount arbitrary
# filesystems such as /usr. This default implementation delegates to
# local or nfs based upon the filesystem type.
# $1=mountpoint mount location
mountfs()
{
type=local
read_fstab_entry "$1"
if [ "${MNT_TYPE}" = "nfs" ] || [ "${MNT_TYPE}" = "nfs4" ]; then
type=nfs
fi
${type}_mount_fs "$1"
}
# Mount the root file system. It should be overridden by all
# boot scripts.
mountroot()
{
:
}
# Run /scripts/${boot}-top. This should be overridden by all boot
# scripts.
mount_top()
{
:
}
# Run /scripts/${boot}-premount. This should be overridden by all boot
# scripts.
mount_premount()
{
:
}
# Run /scripts/${boot}-bottom. This should be overridden by all boot
# scripts.
mount_bottom()
{
:
}
Mini Shell