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dracut.sh
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#!/bin/bash -p
#
# Generator script for a dracut initramfs
# Copyright 2005-2013 Red Hat, Inc. All rights reserved.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# store for logging
unset BASH_ENV
unset GZIP
# Verify bash version, current minimum is 4
if ((BASH_VERSINFO[0] < 4)); then
printf "%s\n" "dracut[F]: dracut requires at least Bash 4." >&2
exit 1
fi
if [[ -n $POSIXLY_CORRECT ]]; then
printf "%s\n" "dracut[F]: dracut is not compatible with Bash in POSIX mode" >&2
exit 1
fi
dracut_args=("$@")
# shellcheck disable=SC2155
readonly dracut_cmd=$(readlink -f "$0")
set -o pipefail
usage() {
[[ $sysroot_l ]] && dracutsysrootdir="$sysroot_l"
[[ $dracutbasedir ]] || dracutbasedir="$dracutsysrootdir"/usr/lib/dracut
if [[ -f $dracutbasedir/dracut-version.sh ]]; then
# shellcheck source=./dracut-version.sh
. "$dracutbasedir"/dracut-version.sh
fi
# 80x25 linebreak here ^
cat << EOF
Usage: $dracut_cmd [OPTION]... [<initramfs> [<kernel-version>]]
Version: $DRACUT_VERSION
Creates initial ramdisk images for preloading modules
-h, --help Display all options
If a [LIST] has multiple arguments, then you have to put these in quotes.
For example:
# dracut --add-drivers "module1 module2" ...
EOF
}
long_usage() {
[[ $dracutbasedir ]] || dracutbasedir="$dracutsysrootdir"/usr/lib/dracut
if [[ -f $dracutbasedir/dracut-version.sh ]]; then
# shellcheck source=./dracut-version.sh
. "$dracutbasedir"/dracut-version.sh
fi
# 80x25 linebreak here ^
cat << EOF
Usage: $dracut_cmd [OPTION]... [<initramfs> [<kernel-version>]]
Version: $DRACUT_VERSION
Creates initial ramdisk images for preloading modules
--kver [VERSION] Set kernel version to [VERSION].
-f, --force Overwrite existing initramfs file.
[OUTPUT_FILE] --rebuild
Append the current arguments to those with which the
input initramfs image was built. This option helps in
incrementally building the initramfs for testing.
If optional [OUTPUT_FILE] is not provided, the input
initramfs provided to rebuild will be used as output
file.
-a, --add [LIST] Add a space-separated list of dracut modules.
--force-add [LIST] Force to add a space-separated list of dracut modules
to the default set of modules, when -H is specified.
-o, --omit [LIST] Omit a space-separated list of dracut modules.
-m, --modules [LIST] Specify a space-separated list of dracut modules to
call when building the initramfs. Modules are located
in /usr/lib/dracut/modules.d.
This option forces dracut to only include the specified
dracut modules.
In most cases the --add option is what you want to use.
--add-drivers [LIST] Specify a space-separated list of kernel
modules to add to the initramfs.
--force-drivers [LIST]
Specify a space-separated list of kernel
modules to add to the initramfs and make sure they
are tried to be loaded via modprobe same as passing
rd.driver.pre=DRIVER kernel parameter.
--omit-drivers [LIST] Specify a space-separated list of kernel
modules not to add to the initramfs.
-d, --drivers [LIST] Specify a space-separated list of kernel modules to
exclusively include in the initramfs.
--filesystems [LIST] Specify a space-separated list of kernel filesystem
modules to exclusively include in the generic
initramfs.
-k, --kmoddir [DIR] Specify the directory where to look for kernel
modules.
--fwdir [DIR] Specify additional colon-separated list of directories
where to look for firmware files.
--libdirs [LIST] Specify a space-separated list of directories
where to look for libraries.
--kernel-only Only install kernel drivers and firmware files.
--no-kernel Do not install kernel drivers and firmware files.
--print-cmdline Print the kernel command line for the given disk layout.
--early-microcode Combine early microcode with ramdisk.
--no-early-microcode Do not combine early microcode with ramdisk.
--kernel-cmdline [PARAMETERS]
Specify default kernel command line parameters.
--strip Strip binaries in the initramfs.
--aggressive-strip Strip more than just debug symbol and sections,
for a smaller initramfs build. The --strip option must
also be specified.
--nostrip Do not strip binaries in the initramfs.
--hardlink Hardlink files in the initramfs.
--nohardlink Do not hardlink files in the initramfs.
--prefix [DIR] Prefix initramfs files with [DIR].
--noprefix Do not prefix initramfs files.
--mdadmconf Include local /etc/mdadm.conf file.
--nomdadmconf Do not include local /etc/mdadm.conf file.
--lvmconf Include local /etc/lvm/lvm.conf file.
--nolvmconf Do not include local /etc/lvm/lvm.conf file.
--fscks [LIST] Add a space-separated list of fsck helpers.
--nofscks Inhibit installation of any fsck helpers.
--ro-mnt Mount / and /usr read-only by default.
-h, --help This message.
--debug Output debug information of the build process.
--profile Output profile information of the build process.
-L, --stdlog [0-6] Specify logging level (to standard error)
0 - suppress any messages
1 - only fatal errors
2 - all errors
3 - warnings
4 - info
5 - debug info (here starts lots of output)
6 - trace info (and even more)
-v, --verbose Increase verbosity level.
-q, --quiet Decrease verbosity level.
-c, --conf [FILE] Specify configuration file to use.
Default: /etc/dracut.conf
--confdir [DIR] Specify configuration directory to use *.conf files
from. Default: /etc/dracut.conf.d
--tmpdir [DIR] Temporary directory to be used instead of default
${TMPDIR:-/var/tmp}.
-r, --sysroot [DIR] Specify sysroot directory to collect files from.
-l, --local Local mode. Use modules from the current working
directory instead of the system-wide installed in
/usr/lib/dracut/modules.d.
Useful when running dracut from a git checkout.
-H, --hostonly Host-only mode: Install only what is needed for
booting the local host instead of a generic host.
-N, --no-hostonly Disables host-only mode.
--hostonly-mode [MODE]
Specify the host-only mode to use. [MODE] could be
one of "sloppy" or "strict". "sloppy" mode is used
by default.
In "sloppy" host-only mode, extra drivers and modules
will be installed, so minor hardware change won't make
the image unbootable (e.g. changed keyboard), and the
image is still portable among similar hosts.
With "strict" mode enabled, anything not necessary
for booting the local host in its current state will
not be included, and modules may do some extra job
to save more space. Minor change of hardware or
environment could make the image unbootable.
DO NOT use "strict" mode unless you know what you
are doing.
--hostonly-cmdline Store kernel command line arguments needed
in the initramfs.
--no-hostonly-cmdline Do not store kernel command line arguments needed
in the initramfs.
--no-hostonly-default-device
Do not generate implicit host devices like root,
swap, fstab, etc. Use "--mount" or "--add-device"
to explicitly add devices as needed.
--hostonly-i18n Install only needed keyboard and font files according
to the host configuration (default).
--no-hostonly-i18n Install all keyboard and font files available.
--hostonly-nics [LIST]
Only enable listed NICs in the initramfs. The list can
be empty, so other modules can install only the
necessary network drivers.
--persistent-policy [POLICY]
Use [POLICY] to address disks and partitions.
POLICY can be any directory name found in /dev/disk
(e.g. "by-uuid", "by-label"), or "mapper" to use
/dev/mapper device names (default).
--fstab Use /etc/fstab to determine the root device.
--add-fstab [FILE] Add file to the initramfs fstab.
--mount "[DEV] [MP] [FSTYPE] [FSOPTS]"
Mount device [DEV] on mountpoint [MP] with filesystem
[FSTYPE] and options [FSOPTS] in the initramfs.
--mount "[MP]" Same as above, but [DEV], [FSTYPE] and [FSOPTS] are
determined by looking at the current mounts.
--add-device "[DEV]" Bring up [DEV] in initramfs.
-i, --include [SOURCE] [TARGET]
Include the files in the SOURCE directory into the
Target directory in the final initramfs.
If SOURCE is a file, it will be installed to TARGET
in the final initramfs.
-I, --install [LIST] Install the space separated list of files into the
initramfs.
--install-optional [LIST]
Install the space separated list of files into the
initramfs, if they exist.
--gzip Compress the generated initramfs using gzip.
This will be done by default, unless another
compression option or --no-compress is passed.
--bzip2 Compress the generated initramfs using bzip2.
Make sure your kernel has bzip2 decompression support
compiled in, otherwise you will not be able to boot.
--lzma Compress the generated initramfs using lzma.
Make sure your kernel has lzma support compiled in,
otherwise you will not be able to boot.
--xz Compress the generated initramfs using xz.
Make sure that your kernel has xz support compiled
in, otherwise you will not be able to boot.
--lzo Compress the generated initramfs using lzop.
Make sure that your kernel has lzo support compiled
in, otherwise you will not be able to boot.
--lz4 Compress the generated initramfs using lz4.
Make sure that your kernel has lz4 support compiled
in, otherwise you will not be able to boot.
--zstd Compress the generated initramfs using Zstandard.
Make sure that your kernel has zstd support compiled
in, otherwise you will not be able to boot.
--compress [COMPRESSION]
Compress the generated initramfs with the
passed compression program. Make sure your kernel
knows how to decompress the generated initramfs,
otherwise you will not be able to boot.
--no-compress Do not compress the generated initramfs. This will
override any other compression options.
--squash-compressor [COMPRESSION]
Specify the compressor and compressor specific options
used by mksquashfs if squash module is called when
building the initramfs.
--enhanced-cpio Attempt to reflink cpio file data using dracut-cpio.
--list-modules List all available dracut modules.
-M, --show-modules Print included module's name to standard output during
build.
--keep Keep the temporary initramfs for debugging purposes.
--printsize Print out the module install size.
--sshkey [SSHKEY] Add SSH key to initramfs (use with ssh-client module)
--logfile [FILE] Logfile to use (overrides configuration setting)
--check-supported Check to ensure that modules are marked supported when
using a kernel that is configured to check the
support status of a module before loading.
--reproducible Create reproducible images.
--no-reproducible Do not create reproducible images.
--loginstall [DIR] Log all files installed from the host to [DIR].
--uefi Create an UEFI executable with the kernel cmdline and
kernel combined.
--no-uefi Disables UEFI mode.
--no-machineid Affects the default output filename of the UEFI
executable, discarding the <MACHINE_ID> part.
--uefi-stub [FILE] Use the UEFI stub [FILE] to create an UEFI executable.
--uefi-splash-image [FILE]
Use [FILE] as a splash image when creating an UEFI
executable. Requires bitmap (.bmp) image format.
--kernel-image [FILE] Location of the kernel image.
--regenerate-all Regenerate all initramfs images at the default location
for the kernel versions found on the system.
-p, --parallel Use parallel processing if possible (currently only
supported --regenerate-all)
images simultaneously.
--version Display version.
If [LIST] has multiple arguments, then you have to put these in quotes.
For example:
# dracut --add-drivers "module1 module2" ...
EOF
}
long_version() {
[[ $dracutbasedir ]] || dracutbasedir="$dracutsysrootdir"/usr/lib/dracut
if [[ -f $dracutbasedir/dracut-version.sh ]]; then
# shellcheck source=./dracut-version.sh
. "$dracutbasedir"/dracut-version.sh
fi
echo "dracut $DRACUT_VERSION"
}
# Fills up host_devs stack variable and makes sure there are no duplicates
push_host_devs() {
local _dev
for _dev in "$@"; do
[[ -z $_dev ]] && continue
[[ " ${host_devs[*]} " == *" $_dev "* ]] && return
host_devs+=("$_dev")
done
}
# Fills up user_devs stack variable and makes sure there are no duplicates
push_user_devs() {
local _dev
for _dev in "$@"; do
[[ -z $_dev ]] && continue
[[ " ${user_devs[*]} " == *" $_dev "* ]] && return
user_devs+=("$_dev")
done
}
# Little helper function for reading args from the commandline.
# it automatically handles -a b and -a=b variants, and returns 1 if
# we need to shift $3.
read_arg() {
# $1 = arg name
# $2 = arg value
# $3 = arg parameter
local rematch='^[^=]*=(.*)$'
if [[ $2 =~ $rematch ]]; then
read -r "$1" <<< "${BASH_REMATCH[1]}"
else
read -r "$1" <<< "$3"
# There is no way to shift our callers args, so
# return 1 to indicate they should do it instead.
return 1
fi
}
check_conf_file() {
if grep -H -e '^[^#]*[+]=\("[^ ]\|.*[^ ]"\)' "$@"; then
printf '\ndracut[W]: <key>+=" <values> ": <values> should have surrounding white spaces!\n' >&2
printf 'dracut[W]: This will lead to unwanted side effects! Please fix the configuration file.\n\n' >&2
fi
}
dropindirs_sort() {
local suffix=$1
shift
local -a files
local f d
for d in "$@"; do
for i in "$d/"*"$suffix"; do
if [[ -e $i ]]; then
printf "%s\n" "${i##*/}"
fi
done
done | sort -Vu | {
readarray -t files
for f in "${files[@]}"; do
for d in "$@"; do
if [[ -e "$d/$f" ]]; then
printf "%s\n" "$d/$f"
continue 2
fi
done
done
}
}
rearrange_params() {
# Workaround -i, --include taking 2 arguments
newat=()
for i in "$@"; do
if [[ $i == "-i" ]] || [[ $i == "--include" ]]; then
newat+=("++include") # Replace --include by ++include
else
newat+=("$i")
fi
done
set -- "${newat[@]}" # Set new $@
TEMP=$(
unset POSIXLY_CORRECT
getopt \
-o "a:m:o:d:I:k:c:r:L:fvqlHhMNp" \
--long kver: \
--long add: \
--long force-add: \
--long add-drivers: \
--long force-drivers: \
--long omit-drivers: \
--long modules: \
--long omit: \
--long drivers: \
--long filesystems: \
--long install: \
--long install-optional: \
--long fwdir: \
--long libdirs: \
--long fscks: \
--long add-fstab: \
--long mount: \
--long device: \
--long add-device: \
--long nofscks \
--long ro-mnt \
--long kmoddir: \
--long conf: \
--long confdir: \
--long tmpdir: \
--long sysroot: \
--long stdlog: \
--long compress: \
--long squash-compressor: \
--long prefix: \
--long rebuild: \
--long force \
--long kernel-only \
--long no-kernel \
--long print-cmdline \
--long kernel-cmdline: \
--long strip \
--long aggressive-strip \
--long nostrip \
--long hardlink \
--long nohardlink \
--long noprefix \
--long mdadmconf \
--long nomdadmconf \
--long lvmconf \
--long nolvmconf \
--long debug \
--long profile \
--long sshkey: \
--long logfile: \
--long verbose \
--long quiet \
--long local \
--long hostonly \
--long host-only \
--long no-hostonly \
--long no-host-only \
--long hostonly-mode: \
--long hostonly-cmdline \
--long no-hostonly-cmdline \
--long no-hostonly-default-device \
--long persistent-policy: \
--long fstab \
--long help \
--long bzip2 \
--long lzma \
--long xz \
--long lzo \
--long lz4 \
--long zstd \
--long no-compress \
--long gzip \
--long enhanced-cpio \
--long list-modules \
--long show-modules \
--long keep \
--long printsize \
--long regenerate-all \
--long parallel \
--long noimageifnotneeded \
--long early-microcode \
--long no-early-microcode \
--long check-supported \
--long reproducible \
--long no-reproducible \
--long loginstall: \
--long uefi \
--long no-uefi \
--long uefi-stub: \
--long uefi-splash-image: \
--long kernel-image: \
--long no-hostonly-i18n \
--long hostonly-i18n \
--long hostonly-nics: \
--long no-machineid \
--long version \
-- "$@"
)
# shellcheck disable=SC2181
if (($? != 0)); then
usage
exit 1
fi
}
verbosity_mod_l=0
unset kernel
unset outfile
rearrange_params "$@"
eval set -- "$TEMP"
# parse command line args to check if '--rebuild' option is present
unset append_args_l
unset rebuild_file
while :; do
if [ "$1" == "--" ]; then
shift
break
fi
if [ "$1" == "--rebuild" ]; then
append_args_l="yes"
rebuild_file="$2"
if [ ! -e "$rebuild_file" ]; then
echo "Image file '$rebuild_file', for rebuild, does not exist!"
exit 1
fi
abs_rebuild_file=$(readlink -f "$rebuild_file") && rebuild_file="$abs_rebuild_file"
shift
continue
fi
shift
done
# get output file name and kernel version from command line arguments
while (($# > 0)); do
case ${1%%=*} in
++include)
shift 2
;;
*)
if ! [[ ${outfile+x} ]]; then
outfile=$1
elif ! [[ ${kernel+x} ]]; then
kernel=$1
else
printf "\nUnknown arguments: %s\n\n" "$*" >&2
usage
exit 1
fi
;;
esac
shift
done
# extract input image file provided with rebuild option to get previous parameters, if any
if [[ $append_args_l == "yes" ]]; then
unset rebuild_param
# determine resultant file
if ! [[ $outfile ]]; then
outfile=$rebuild_file
fi
if ! rebuild_param=$(lsinitrd "$rebuild_file" '*lib/dracut/build-parameter.txt'); then
echo "Image '$rebuild_file' has no rebuild information stored"
exit 1
fi
# prepend previous parameters to current command line args
if [[ $rebuild_param ]]; then
TEMP="$rebuild_param $TEMP"
eval set -- "$TEMP"
rearrange_params "$@"
fi
fi
unset PARMS_TO_STORE
PARMS_TO_STORE=""
eval set -- "$TEMP"
while :; do
if [[ $1 != "--" ]] && [[ $1 != "--rebuild" ]]; then
PARMS_TO_STORE+=" $1"
fi
case $1 in
--kver)
kernel="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
-a | --add)
add_dracutmodules_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--force-add)
force_add_dracutmodules_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--add-drivers)
add_drivers_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--force-drivers)
force_drivers_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--omit-drivers)
omit_drivers_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
-m | --modules)
dracutmodules_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
-o | --omit)
omit_dracutmodules_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
-d | --drivers)
drivers_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--filesystems)
filesystems_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
-I | --install)
install_items_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--install-optional)
install_optional_items_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--fwdir)
fw_dir_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--libdirs)
libdirs_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--fscks)
fscks_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--add-fstab)
add_fstab_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--mount)
fstab_lines+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--add-device | --device)
add_device_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--kernel-cmdline)
kernel_cmdline_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--nofscks) nofscks_l="yes" ;;
--ro-mnt) ro_mnt_l="yes" ;;
-k | --kmoddir)
drivers_dir_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
-c | --conf)
conffile="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--confdir)
confdir="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--tmpdir)
tmpdir_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
-r | --sysroot)
sysroot_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
-L | --stdlog)
stdloglvl_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--compress)
compress_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--squash-compressor)
squash_compress_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--prefix)
prefix_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--loginstall)
loginstall_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--rebuild)
if [[ $rebuild_file == "$outfile" ]]; then
force=yes
fi
shift
;;
-f | --force) force=yes ;;
--kernel-only)
kernel_only="yes"
no_kernel="no"
;;
--no-kernel)
kernel_only="no"
no_kernel="yes"
;;
--print-cmdline)
print_cmdline="yes"
hostonly_l="yes"
kernel_only="yes"
no_kernel="yes"
;;
--early-microcode)
early_microcode_l="yes"
;;
--no-early-microcode)
early_microcode_l="no"
;;
--strip) do_strip_l="yes" ;;
--aggressive-strip) aggressive_strip_l="yes" ;;
--nostrip) do_strip_l="no" ;;
--hardlink) do_hardlink_l="yes" ;;
--nohardlink) do_hardlink_l="no" ;;
--noprefix) prefix_l="/" ;;
--mdadmconf) mdadmconf_l="yes" ;;
--nomdadmconf) mdadmconf_l="no" ;;
--lvmconf) lvmconf_l="yes" ;;
--nolvmconf) lvmconf_l="no" ;;
--debug) debug="yes" ;;
--profile) profile="yes" ;;
--sshkey)
sshkey="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--logfile)
logfile_l="$2"
shift
;;
-v | --verbose) ((verbosity_mod_l++)) ;;
-q | --quiet) ((verbosity_mod_l--)) ;;
-l | --local)
allowlocal="yes"
[[ -f "$(readlink -f "${0%/*}")/dracut-init.sh" ]] \
&& dracutbasedir="$(readlink -f "${0%/*}")"
;;
-H | --hostonly | --host-only)
hostonly_l="yes"
;;
-N | --no-hostonly | --no-host-only)
hostonly_l="no"
;;
--hostonly-mode)
hostonly_mode_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--hostonly-cmdline)
hostonly_cmdline_l="yes"
;;
--hostonly-i18n)
i18n_install_all_l="no"
;;
--hostonly-nics)
hostonly_nics_l+=("$2")
PARMS_TO_STORE+=" '$2'"
shift
;;
--no-hostonly-i18n)
i18n_install_all_l="yes"
;;
--no-hostonly-cmdline)
hostonly_cmdline_l="no"
;;
--no-hostonly-default-device)
hostonly_default_device="no"
;;
--persistent-policy)
persistent_policy_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--fstab) use_fstab_l="yes" ;;
-h | --help)
long_usage
exit 0
;;
--bzip2) compress_l="bzip2" ;;
--lzma) compress_l="lzma" ;;
--xz) compress_l="xz" ;;
--lzo) compress_l="lzop" ;;
--lz4) compress_l="lz4" ;;
--zstd) compress_l="zstd" ;;
--no-compress) _no_compress_l="cat" ;;
--gzip) compress_l="gzip" ;;
--enhanced-cpio) enhanced_cpio_l="yes" ;;
--list-modules) do_list="yes" ;;
-M | --show-modules)
show_modules_l="yes"
;;
--keep) keep="yes" ;;
--printsize) printsize="yes" ;;
--regenerate-all) regenerate_all_l="yes" ;;
-p | --parallel) parallel_l="yes" ;;
--noimageifnotneeded) noimageifnotneeded="yes" ;;
--check-supported) check_supported="yes" ;;
--reproducible) reproducible_l="yes" ;;
--no-reproducible) reproducible_l="no" ;;
--uefi) uefi_l="yes" ;;
--no-uefi) uefi_l="no" ;;
--uefi-stub)
uefi_stub_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--uefi-splash-image)
uefi_splash_image_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--kernel-image)
kernel_image_l="$2"
PARMS_TO_STORE+=" '$2'"
shift
;;
--no-machineid)
machine_id_l="no"
;;
--version)
long_version
exit 0
;;
--)
shift
break
;;
*) # should not even reach this point
printf "\n!Unknown option: '%s'\n\n" "$1" >&2
usage
exit 1
;;
esac
shift
done
# getopt cannot handle multiple arguments, so just handle "-I,--include"
# the old fashioned way
while (($# > 0)); do
if [ "${1%%=*}" == "++include" ]; then
include_src+=("$2")
include_target+=("$3")
PARMS_TO_STORE+=" --include '$2' '$3'"
shift 2
fi
shift
done
[[ $sysroot_l ]] && dracutsysrootdir="$sysroot_l"
export LC_ALL=C
export LANG=C
unset LC_MESSAGES
unset LC_CTYPE
unset LD_LIBRARY_PATH
unset LD_PRELOAD
unset GREP_OPTIONS
export DRACUT_LOG_LEVEL=warning
[[ $debug ]] && {
export DRACUT_LOG_LEVEL=debug
export PS4='${BASH_SOURCE}@${LINENO}(${FUNCNAME[0]-}): '
set -x
}
[[ $profile ]] && {
export PS4='+ $(date "+%s.%N") ${BASH_SOURCE}@${LINENO}: '
set -x
debug=yes
}
[[ $dracutbasedir ]] || dracutbasedir="$dracutsysrootdir"/usr/lib/dracut
# if we were not passed a config file, try the default one
if [[ -z $conffile ]]; then
if [[ $allowlocal ]]; then
conffile="$dracutbasedir/dracut.conf"
else
conffile="$dracutsysrootdir/etc/dracut.conf"
fi
elif [[ ! -e $conffile ]]; then
printf "%s\n" "dracut[F]: Configuration file '$conffile' not found." >&2
exit 1
fi
if [[ -z $confdir ]]; then
if [[ $allowlocal ]]; then
confdir="$dracutbasedir/dracut.conf.d"
else
confdir="$dracutsysrootdir/etc/dracut.conf.d"
fi
elif [[ ! -d $confdir ]]; then
printf "%s\n" "dracut[F]: Configuration directory '$confdir' not found." >&2
exit 1
fi
# source our config file
if [[ -f $conffile ]]; then
check_conf_file "$conffile"
# shellcheck disable=SC1090
. "$conffile"
fi
# source our config dir
for f in $(dropindirs_sort ".conf" "$confdir" "$dracutbasedir/dracut.conf.d"); do
check_conf_file "$f"
# shellcheck disable=SC1090
[[ -e $f ]] && . "$f"
done
# check if automatic guessing of the output file is disabled.
if [[ $force_output_file == "yes" && -z $outfile ]]; then
printf "%s\n" "dracut[F]: dracut is configured with force_output_file=yes" >&2
printf "%s\n" "dracut[F]: so it is required to specify the file path of the generated initramfs image." >&2
exit 1
fi
# regenerate_all shouldn't be set in conf files
regenerate_all=$regenerate_all_l
if [[ $parallel_l == "yes" ]]; then
parallel=yes
fi
if [[ $regenerate_all == "yes" ]]; then
ret=0
if [[ $kernel ]]; then
printf "%s\n" "dracut[F]: --regenerate-all cannot be called with a kernel version." >&2
exit 1
fi
if [[ $outfile ]]; then
printf "%s\n" "dracut[F]: --regenerate-all cannot be called with an image file." >&2
exit 1
fi
((len = ${#dracut_args[@]}))
for ((i = 0; i < len; i++)); do
case ${dracut_args[$i]} in
--regenerate-all | --parallel)
# shellcheck disable=SC2184
unset dracut_args["$i"]
;;
esac
done
cd "$dracutsysrootdir"/lib/modules || exit 1
if [[ $parallel != "yes" ]]; then
for i in *; do
[[ -f $i/modules.dep ]] || [[ -f $i/modules.dep.bin ]] || continue
[[ -d $i/kernel ]] || continue
"$dracut_cmd" --kver="$i" "${dracut_args[@]}"