contrib/initramfs: fix shellcheck and checkbashisms errors with shebang
Reviewed-by: Gabriel A. Devenyi <gdevenyi@gmail.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #10908 Closes #10917
This commit is contained in:
наб
Brian Behlendorf
parent
e651a5b233
commit
b9d18bdbdc
|
|
@ -15,8 +15,8 @@
|
|||
# See "4.5 Disable root prompt on the initramfs" of Securing Debian Manual:
|
||||
# https://www.debian.org/doc/manuals/securing-debian-howto/ch4.en.html
|
||||
shell() {
|
||||
if type panic > /dev/null 2>&1; then
|
||||
panic $@
|
||||
if command -v panic > /dev/null 2>&1; then
|
||||
panic
|
||||
else
|
||||
/bin/sh
|
||||
fi
|
||||
|
|
@ -26,22 +26,23 @@ shell() {
|
|||
# pools and mounting any filesystems.
|
||||
pre_mountroot()
|
||||
{
|
||||
if type run_scripts > /dev/null 2>&1 && \
|
||||
[ -f "/scripts/local-top" -o -d "/scripts/local-top" ]
|
||||
if command -v run_scripts > /dev/null 2>&1
|
||||
then
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Running /scripts/local-top"
|
||||
run_scripts /scripts/local-top
|
||||
[ "$quiet" != "y" ] && zfs_log_end_msg
|
||||
fi
|
||||
if [ -f "/scripts/local-top" ] || [ -d "/scripts/local-top" ]
|
||||
then
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Running /scripts/local-top"
|
||||
run_scripts /scripts/local-top
|
||||
[ "$quiet" != "y" ] && zfs_log_end_msg
|
||||
fi
|
||||
|
||||
if type run_scripts > /dev/null 2>&1 && \
|
||||
[ -f "/scripts/local-premount" -o -d "/scripts/local-premount" ]
|
||||
then
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Running /scripts/local-premount"
|
||||
run_scripts /scripts/local-premount
|
||||
[ "$quiet" != "y" ] && zfs_log_end_msg
|
||||
if [ -f "/scripts/local-premount" ] || [ -d "/scripts/local-premount" ]
|
||||
then
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Running /scripts/local-premount"
|
||||
run_scripts /scripts/local-premount
|
||||
[ "$quiet" != "y" ] && zfs_log_end_msg
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
|
|
@ -57,10 +58,10 @@ disable_plymouth()
|
|||
# Get a ZFS filesystem property value.
|
||||
get_fs_value()
|
||||
{
|
||||
local fs="$1"
|
||||
local value=$2
|
||||
fs="$1"
|
||||
value=$2
|
||||
|
||||
"${ZFS}" get -H -ovalue $value "$fs" 2> /dev/null
|
||||
"${ZFS}" get -H -ovalue "$value" "$fs" 2> /dev/null
|
||||
}
|
||||
|
||||
# Find the 'bootfs' property on pool $1.
|
||||
|
|
@ -68,7 +69,7 @@ get_fs_value()
|
|||
# pool by exporting it again.
|
||||
find_rootfs()
|
||||
{
|
||||
local pool="$1"
|
||||
pool="$1"
|
||||
|
||||
# If 'POOL_IMPORTED' isn't set, no pool imported and therefore
|
||||
# we won't be able to find a root fs.
|
||||
|
|
@ -84,7 +85,7 @@ find_rootfs()
|
|||
|
||||
# Make sure it's not '-' and that it starts with /.
|
||||
if [ "${ZFS_BOOTFS}" != "-" ] && \
|
||||
$(get_fs_value "${ZFS_BOOTFS}" mountpoint | grep -q '^/$')
|
||||
get_fs_value "${ZFS_BOOTFS}" mountpoint | grep -q '^/$'
|
||||
then
|
||||
# Keep it mounted
|
||||
POOL_IMPORTED=1
|
||||
|
|
@ -101,14 +102,13 @@ find_rootfs()
|
|||
# Support function to get a list of all pools, separated with ';'
|
||||
find_pools()
|
||||
{
|
||||
local CMD="$*"
|
||||
local pools pool
|
||||
CMD="$*"
|
||||
|
||||
pools=$($CMD 2> /dev/null | \
|
||||
grep -E "pool:|^[a-zA-Z0-9]" | \
|
||||
sed 's@.*: @@' | \
|
||||
while read pool; do \
|
||||
echo -n "$pool;"
|
||||
while read -r pool; do \
|
||||
printf "%s" "$pool;"
|
||||
done)
|
||||
|
||||
echo "${pools%%;}" # Return without the last ';'.
|
||||
|
|
@ -117,8 +117,6 @@ find_pools()
|
|||
# Get a list of all available pools
|
||||
get_pools()
|
||||
{
|
||||
local available_pools npools
|
||||
|
||||
if [ -n "${ZFS_POOL_IMPORT}" ]; then
|
||||
echo "$ZFS_POOL_IMPORT"
|
||||
return 0
|
||||
|
|
@ -159,9 +157,8 @@ get_pools()
|
|||
# Filter out any exceptions...
|
||||
if [ -n "$ZFS_POOL_EXCEPTIONS" ]
|
||||
then
|
||||
local found=""
|
||||
local apools=""
|
||||
local pool exception
|
||||
found=""
|
||||
apools=""
|
||||
OLD_IFS="$IFS" ; IFS=";"
|
||||
|
||||
for pool in $available_pools
|
||||
|
|
@ -194,8 +191,7 @@ get_pools()
|
|||
# Import given pool $1
|
||||
import_pool()
|
||||
{
|
||||
local pool="$1"
|
||||
local dirs dir
|
||||
pool="$1"
|
||||
|
||||
# Verify that the pool isn't already imported
|
||||
# Make as sure as we can to not require '-f' to import.
|
||||
|
|
@ -205,7 +201,7 @@ import_pool()
|
|||
# to something we can use later with the real import(s). We want to
|
||||
# make sure we find all by* dirs, BUT by-vdev should be first (if it
|
||||
# exists).
|
||||
if [ -n "$USE_DISK_BY_ID" -a -z "$ZPOOL_IMPORT_PATH" ]
|
||||
if [ -n "$USE_DISK_BY_ID" ] && [ -z "$ZPOOL_IMPORT_PATH" ]
|
||||
then
|
||||
dirs="$(for dir in $(echo /dev/disk/by-*)
|
||||
do
|
||||
|
|
@ -213,7 +209,7 @@ import_pool()
|
|||
echo "$dir" | grep -q /by-vdev && continue
|
||||
[ ! -d "$dir" ] && continue
|
||||
|
||||
echo -n "$dir:"
|
||||
printf "%s" "$dir:"
|
||||
done | sed 's,:$,,g')"
|
||||
|
||||
if [ -d "/dev/disk/by-vdev" ]
|
||||
|
|
@ -277,7 +273,7 @@ import_pool()
|
|||
# with more logging etc.
|
||||
load_module_initrd()
|
||||
{
|
||||
if [ "$ZFS_INITRD_PRE_MOUNTROOT_SLEEP" > 0 ]
|
||||
if [ "$ZFS_INITRD_PRE_MOUNTROOT_SLEEP" -gt 0 ] 2>/dev/null
|
||||
then
|
||||
if [ "$quiet" != "y" ]; then
|
||||
zfs_log_begin_msg "Sleeping for" \
|
||||
|
|
@ -288,9 +284,9 @@ load_module_initrd()
|
|||
fi
|
||||
|
||||
# Wait for all of the /dev/{hd,sd}[a-z] device nodes to appear.
|
||||
if type wait_for_udev > /dev/null 2>&1 ; then
|
||||
if command -v wait_for_udev > /dev/null 2>&1 ; then
|
||||
wait_for_udev 10
|
||||
elif type wait_for_dev > /dev/null 2>&1 ; then
|
||||
elif command -v wait_for_dev > /dev/null 2>&1 ; then
|
||||
wait_for_dev
|
||||
fi
|
||||
|
||||
|
|
@ -300,7 +296,7 @@ load_module_initrd()
|
|||
# Load the module
|
||||
load_module "zfs" || return 1
|
||||
|
||||
if [ "$ZFS_INITRD_POST_MODPROBE_SLEEP" > 0 ]
|
||||
if [ "$ZFS_INITRD_POST_MODPROBE_SLEEP" -gt 0 ] 2>/dev/null
|
||||
then
|
||||
if [ "$quiet" != "y" ]; then
|
||||
zfs_log_begin_msg "Sleeping for" \
|
||||
|
|
@ -316,12 +312,10 @@ load_module_initrd()
|
|||
# Mount a given filesystem
|
||||
mount_fs()
|
||||
{
|
||||
local fs="$1"
|
||||
local mountpoint
|
||||
fs="$1"
|
||||
|
||||
# Check that the filesystem exists
|
||||
"${ZFS}" list -oname -tfilesystem -H "${fs}" > /dev/null 2>&1
|
||||
[ "$?" -ne 0 ] && return 1
|
||||
"${ZFS}" list -oname -tfilesystem -H "${fs}" > /dev/null 2>&1 || return 1
|
||||
|
||||
# Skip filesystems with canmount=off. The root fs should not have
|
||||
# canmount=off, but ignore it for backwards compatibility just in case.
|
||||
|
|
@ -333,14 +327,14 @@ mount_fs()
|
|||
|
||||
# Need the _original_ datasets mountpoint!
|
||||
mountpoint=$(get_fs_value "$fs" mountpoint)
|
||||
if [ "$mountpoint" = "legacy" -o "$mountpoint" = "none" ]; then
|
||||
if [ "$mountpoint" = "legacy" ] || [ "$mountpoint" = "none" ]; then
|
||||
# Can't use the mountpoint property. Might be one of our
|
||||
# clones. Check the 'org.zol:mountpoint' property set in
|
||||
# clone_snap() if that's usable.
|
||||
mountpoint=$(get_fs_value "$fs" org.zol:mountpoint)
|
||||
if [ "$mountpoint" = "legacy" -o \
|
||||
"$mountpoint" = "none" -o \
|
||||
"$mountpoint" = "-" ]
|
||||
if [ "$mountpoint" = "legacy" ] ||
|
||||
[ "$mountpoint" = "none" ] ||
|
||||
[ "$mountpoint" = "-" ]
|
||||
then
|
||||
if [ "$fs" != "${ZFS_BOOTFS}" ]; then
|
||||
# We don't have a proper mountpoint and this
|
||||
|
|
@ -396,10 +390,10 @@ mount_fs()
|
|||
# Unlock a ZFS native encrypted filesystem.
|
||||
decrypt_fs()
|
||||
{
|
||||
local fs="$1"
|
||||
|
||||
fs="$1"
|
||||
|
||||
# If pool encryption is active and the zfs command understands '-o encryption'
|
||||
if [ "$(zpool list -H -o feature@encryption $(echo "${fs}" | awk -F\/ '{print $1}'))" = 'active' ]; then
|
||||
if [ "$(zpool list -H -o feature@encryption "$(echo "${fs}" | awk -F/ '{print $1}')")" = 'active' ]; then
|
||||
|
||||
# Determine dataset that holds key for root dataset
|
||||
ENCRYPTIONROOT="$(get_fs_value "${fs}" encryptionroot)"
|
||||
|
|
@ -427,7 +421,7 @@ decrypt_fs()
|
|||
TRY_COUNT=$((TRY_COUNT - 1))
|
||||
done
|
||||
|
||||
# Prompt with systemd, if active
|
||||
# Prompt with systemd, if active
|
||||
elif [ -e /run/systemd/system ]; then
|
||||
echo "systemd-ask-password" > /run/zfs_console_askpwd_cmd
|
||||
while [ $TRY_COUNT -gt 0 ]; do
|
||||
|
|
@ -454,7 +448,7 @@ decrypt_fs()
|
|||
# Destroy a given filesystem.
|
||||
destroy_fs()
|
||||
{
|
||||
local fs="$1"
|
||||
fs="$1"
|
||||
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Destroying '$fs'"
|
||||
|
|
@ -489,9 +483,9 @@ destroy_fs()
|
|||
# mounted with a 'zfs mount -a' in the init/systemd scripts).
|
||||
clone_snap()
|
||||
{
|
||||
local snap="$1"
|
||||
local destfs="$2"
|
||||
local mountpoint="$3"
|
||||
snap="$1"
|
||||
destfs="$2"
|
||||
mountpoint="$3"
|
||||
|
||||
[ "$quiet" != "y" ] && zfs_log_begin_msg "Cloning '$snap' to '$destfs'"
|
||||
|
||||
|
|
@ -529,7 +523,7 @@ clone_snap()
|
|||
# Rollback a given snapshot.
|
||||
rollback_snap()
|
||||
{
|
||||
local snap="$1"
|
||||
snap="$1"
|
||||
|
||||
[ "$quiet" != "y" ] && zfs_log_begin_msg "Rollback $snap"
|
||||
|
||||
|
|
@ -559,9 +553,8 @@ rollback_snap()
|
|||
# to the user to choose from.
|
||||
ask_user_snap()
|
||||
{
|
||||
local fs="$1"
|
||||
local i=1
|
||||
local SNAP snapnr snap debug
|
||||
fs="$1"
|
||||
i=1
|
||||
|
||||
# We need to temporarily disable debugging. Set 'debug' so we
|
||||
# remember to enabled it again.
|
||||
|
|
@ -574,16 +567,16 @@ ask_user_snap()
|
|||
# Because we need the resulting snapshot, which is sent on
|
||||
# stdout to the caller, we use stderr for our questions.
|
||||
echo "What snapshot do you want to boot from?" > /dev/stderr
|
||||
while read snap; do
|
||||
while read -r snap; do
|
||||
echo " $i: ${snap}" > /dev/stderr
|
||||
eval `echo SNAP_$i=$snap`
|
||||
eval "$(echo SNAP_$i=$snap)"
|
||||
i=$((i + 1))
|
||||
done <<EOT
|
||||
$("${ZFS}" list -H -oname -tsnapshot -r "${fs}")
|
||||
EOT
|
||||
|
||||
echo -n " Snap nr [1-$((i-1))]? " > /dev/stderr
|
||||
read snapnr
|
||||
echo "%s" " Snap nr [1-$((i-1))]? " > /dev/stderr
|
||||
read -r snapnr
|
||||
|
||||
# Re-enable debugging.
|
||||
if [ -n "${debug}" ]; then
|
||||
|
|
@ -591,16 +584,16 @@ EOT
|
|||
set -x
|
||||
fi
|
||||
|
||||
echo "$(eval echo "$"SNAP_$snapnr)"
|
||||
echo "$(eval echo '$SNAP_'$snapnr)"
|
||||
}
|
||||
|
||||
setup_snapshot_booting()
|
||||
{
|
||||
local snap="$1"
|
||||
local s destfs subfs mountpoint retval=0 filesystems fs
|
||||
snap="$1"
|
||||
retval=0
|
||||
|
||||
# Make sure that the snapshot specified actually exist.
|
||||
if [ ! $(get_fs_value "${snap}" type) ]
|
||||
# Make sure that the snapshot specified actually exists.
|
||||
if [ ! "$(get_fs_value "${snap}" type)" ]
|
||||
then
|
||||
# Snapshot does not exist (...@<null> ?)
|
||||
# ask the user for a snapshot to use.
|
||||
|
|
@ -617,7 +610,7 @@ setup_snapshot_booting()
|
|||
then
|
||||
# If the destination dataset for the clone
|
||||
# already exists, destroy it. Recursively
|
||||
if [ $(get_fs_value "${rootfs}_${snapname}" type) ]; then
|
||||
if [ "$(get_fs_value "${rootfs}_${snapname}" type)" ]; then
|
||||
filesystems=$("${ZFS}" list -oname -tfilesystem -H \
|
||||
-r -Sname "${ZFS_BOOTFS}")
|
||||
for fs in $filesystems; do
|
||||
|
|
@ -652,8 +645,8 @@ setup_snapshot_booting()
|
|||
# with clone_snap(). If legacy or none, then use
|
||||
# the sub fs value.
|
||||
mountpoint=$(get_fs_value "${s%%@*}" mountpoint)
|
||||
if [ "$mountpoint" = "legacy" -o \
|
||||
"$mountpoint" = "none" ]
|
||||
if [ "$mountpoint" = "legacy" ] || \
|
||||
[ "$mountpoint" = "none" ]
|
||||
then
|
||||
if [ -n "${subfs}" ]; then
|
||||
mountpoint="${subfs}"
|
||||
|
|
@ -678,8 +671,6 @@ setup_snapshot_booting()
|
|||
# This is the main function.
|
||||
mountroot()
|
||||
{
|
||||
local snaporig snapsub destfs pool POOLS
|
||||
|
||||
# ----------------------------------------------------------------
|
||||
# I N I T I A L S E T U P
|
||||
|
||||
|
|
@ -742,7 +733,7 @@ mountroot()
|
|||
# No longer set in the defaults file, but it could have been set in
|
||||
# get_pools() in some circumstances. If it's something, but not 'yes',
|
||||
# it's no good to us.
|
||||
[ -n "$USE_DISK_BY_ID" -a "$USE_DISK_BY_ID" != 'yes' ] && \
|
||||
[ -n "$USE_DISK_BY_ID" ] && [ "$USE_DISK_BY_ID" != 'yes' ] && \
|
||||
unset USE_DISK_BY_ID
|
||||
|
||||
# ----------------------------------------------------------------
|
||||
|
|
@ -788,12 +779,12 @@ mountroot()
|
|||
# ------------
|
||||
# If we have 'ROOT' (see above), but not 'ZFS_BOOTFS', then use
|
||||
# 'ROOT'
|
||||
[ -n "$ROOT" -a -z "${ZFS_BOOTFS}" ] && ZFS_BOOTFS="$ROOT"
|
||||
[ -n "$ROOT" ] && [ -z "${ZFS_BOOTFS}" ] && ZFS_BOOTFS="$ROOT"
|
||||
|
||||
# ------------
|
||||
# Check for the `-B zfs-bootfs=%s/%u,...` kind of parameter.
|
||||
# NOTE: Only use the pool name and dataset. The rest is not
|
||||
# supported by ZoL (whatever it's for).
|
||||
# supported by OpenZFS (whatever it's for).
|
||||
if [ -z "$ZFS_RPOOL" ]
|
||||
then
|
||||
# The ${zfs-bootfs} variable is set at the kernel command
|
||||
|
|
@ -809,11 +800,11 @@ mountroot()
|
|||
|
||||
# ------------
|
||||
# No root fs or pool specified - do auto detect.
|
||||
if [ -z "$ZFS_RPOOL" -a -z "${ZFS_BOOTFS}" ]
|
||||
if [ -z "$ZFS_RPOOL" ] && [ -z "${ZFS_BOOTFS}" ]
|
||||
then
|
||||
# Do auto detect. Do this by 'cheating' - set 'root=zfs:AUTO'
|
||||
# which will be caught later
|
||||
ROOT=zfs:AUTO
|
||||
ROOT='zfs:AUTO'
|
||||
fi
|
||||
|
||||
# ----------------------------------------------------------------
|
||||
|
|
@ -858,7 +849,7 @@ mountroot()
|
|||
fi
|
||||
|
||||
# Import the pool (if not already done so in the AUTO check above).
|
||||
if [ -n "$ZFS_RPOOL" -a -z "${POOL_IMPORTED}" ]
|
||||
if [ -n "$ZFS_RPOOL" ] && [ -z "${POOL_IMPORTED}" ]
|
||||
then
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Importing ZFS root pool '$ZFS_RPOOL'"
|
||||
|
|
@ -971,7 +962,7 @@ mountroot()
|
|||
|
||||
touch /run/zfs_unlock_complete
|
||||
if [ -e /run/zfs_unlock_complete_notify ]; then
|
||||
read zfs_unlock_complete_notify < /run/zfs_unlock_complete_notify
|
||||
read -r zfs_unlock_complete_notify < /run/zfs_unlock_complete_notify
|
||||
fi
|
||||
|
||||
# ------------
|
||||
|
|
@ -989,8 +980,8 @@ mountroot()
|
|||
echo
|
||||
|
||||
echo "=> waiting for ENTER before continuing because of 'zfsdebug=1'. "
|
||||
echo -n " 'c' for shell, 'r' for reboot, 'ENTER' to continue. "
|
||||
read b
|
||||
printf "%s" " 'c' for shell, 'r' for reboot, 'ENTER' to continue. "
|
||||
read -r b
|
||||
|
||||
[ "$b" = "c" ] && /bin/sh
|
||||
[ "$b" = "r" ] && reboot -f
|
||||
|
|
@ -1000,12 +991,14 @@ mountroot()
|
|||
|
||||
# ------------
|
||||
# Run local bottom script
|
||||
if type run_scripts > /dev/null 2>&1 && \
|
||||
[ -f "/scripts/local-bottom" -o -d "/scripts/local-bottom" ]
|
||||
if command -v run_scripts > /dev/null 2>&1
|
||||
then
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Running /scripts/local-bottom"
|
||||
run_scripts /scripts/local-bottom
|
||||
[ "$quiet" != "y" ] && zfs_log_end_msg
|
||||
if [ -f "/scripts/local-bottom" ] || [ -d "/scripts/local-bottom" ]
|
||||
then
|
||||
[ "$quiet" != "y" ] && \
|
||||
zfs_log_begin_msg "Running /scripts/local-bottom"
|
||||
run_scripts /scripts/local-bottom
|
||||
[ "$quiet" != "y" ] && zfs_log_end_msg
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue