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1221 lines
38 KiB
1221 lines
38 KiB
#!/bin/bash |
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
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# ex: ts=8 sw=4 sts=4 et filetype=sh |
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# |
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# Generator script for a dracut initramfs |
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# Tries to retain some degree of compatibility with the command line |
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# of the various mkinitrd implementations out there |
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# |
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# Copyright 2005-2013 Red Hat, Inc. All rights reserved. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# |
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# store for logging |
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dracut_args=( "$@" ) |
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set -o pipefail |
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usage() { |
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[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut |
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if [[ -f $dracutbasedir/dracut-version.sh ]]; then |
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. $dracutbasedir/dracut-version.sh |
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fi |
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# 80x25 linebreak here ^ |
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cat << EOF |
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Usage: $0 [OPTION]... [<initramfs> [<kernel-version>]] |
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Version: $DRACUT_VERSION |
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Creates initial ramdisk images for preloading modules |
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-h, --help Display all options |
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If a [LIST] has multiple arguments, then you have to put these in quotes. |
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For example: |
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# dracut --add-drivers "module1 module2" ... |
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EOF |
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} |
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long_usage() { |
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[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut |
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if [[ -f $dracutbasedir/dracut-version.sh ]]; then |
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. $dracutbasedir/dracut-version.sh |
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fi |
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# 80x25 linebreak here ^ |
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cat << EOF |
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Usage: $0 [OPTION]... [<initramfs> [<kernel-version>]] |
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Version: $DRACUT_VERSION |
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Creates initial ramdisk images for preloading modules |
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--kver [VERSION] Set kernel version to [VERSION]. |
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-f, --force Overwrite existing initramfs file. |
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-a, --add [LIST] Add a space-separated list of dracut modules. |
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-m, --modules [LIST] Specify a space-separated list of dracut modules to |
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call when building the initramfs. Modules are located |
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in /usr/lib/dracut/modules.d. |
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-o, --omit [LIST] Omit a space-separated list of dracut modules. |
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--force-add [LIST] Force to add a space-separated list of dracut modules |
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to the default set of modules, when -H is specified. |
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-d, --drivers [LIST] Specify a space-separated list of kernel modules to |
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exclusively include in the initramfs. |
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--add-drivers [LIST] Specify a space-separated list of kernel |
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modules to add to the initramfs. |
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--omit-drivers [LIST] Specify a space-separated list of kernel |
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modules not to add to the initramfs. |
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--filesystems [LIST] Specify a space-separated list of kernel filesystem |
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modules to exclusively include in the generic |
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initramfs. |
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-k, --kmoddir [DIR] Specify the directory, where to look for kernel |
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modules |
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--fwdir [DIR] Specify additional directories, where to look for |
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firmwares, separated by : |
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--kernel-only Only install kernel drivers and firmware files |
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--no-kernel Do not install kernel drivers and firmware files |
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--kernel-cmdline [PARAMETERS] Specify default kernel command line parameters |
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--strip Strip binaries in the initramfs |
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--nostrip Do not strip binaries in the initramfs |
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--hardlink Hardlink files in the initramfs |
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--nohardlink Do not hardlink files in the initramfs |
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--prefix [DIR] Prefix initramfs files with [DIR] |
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--noprefix Do not prefix initramfs files |
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--mdadmconf Include local /etc/mdadm.conf |
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--nomdadmconf Do not include local /etc/mdadm.conf |
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--lvmconf Include local /etc/lvm/lvm.conf |
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--nolvmconf Do not include local /etc/lvm/lvm.conf |
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--fscks [LIST] Add a space-separated list of fsck helpers. |
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--nofscks Inhibit installation of any fsck helpers. |
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--ro-mnt Mount / and /usr read-only by default. |
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-h, --help This message |
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--debug Output debug information of the build process |
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--profile Output profile information of the build process |
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-L, --stdlog [0-6] Specify logging level (to standard error) |
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0 - suppress any messages |
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1 - only fatal errors |
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2 - all errors |
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3 - warnings |
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4 - info |
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5 - debug info (here starts lots of output) |
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6 - trace info (and even more) |
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-v, --verbose Increase verbosity level |
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-q, --quiet Decrease verbosity level |
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-c, --conf [FILE] Specify configuration file to use. |
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Default: /etc/dracut.conf |
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--confdir [DIR] Specify configuration directory to use *.conf files |
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from. Default: /etc/dracut.conf.d |
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--tmpdir [DIR] Temporary directory to be used instead of default |
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/var/tmp. |
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-l, --local Local mode. Use modules from the current working |
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directory instead of the system-wide installed in |
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/usr/lib/dracut/modules.d. |
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Useful when running dracut from a git checkout. |
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-H, --hostonly Host-Only mode: Install only what is needed for |
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booting the local host instead of a generic host. |
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-N, --no-hostonly Disables Host-Only mode |
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--fstab Use /etc/fstab to determine the root device. |
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--add-fstab [FILE] Add file to the initramfs fstab |
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--mount "[DEV] [MP] [FSTYPE] [FSOPTS]" |
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Mount device [DEV] on mountpoint [MP] with filesystem |
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[FSTYPE] and options [FSOPTS] in the initramfs |
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--add-device "[DEV]" Bring up [DEV] in initramfs |
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-i, --include [SOURCE] [TARGET] |
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Include the files in the SOURCE directory into the |
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Target directory in the final initramfs. |
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If SOURCE is a file, it will be installed to TARGET |
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in the final initramfs. |
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-I, --install [LIST] Install the space separated list of files into the |
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initramfs. |
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--gzip Compress the generated initramfs using gzip. |
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This will be done by default, unless another |
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compression option or --no-compress is passed. |
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--bzip2 Compress the generated initramfs using bzip2. |
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Make sure your kernel has bzip2 decompression support |
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compiled in, otherwise you will not be able to boot. |
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--lzma Compress the generated initramfs using lzma. |
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Make sure your kernel has lzma support compiled in, |
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otherwise you will not be able to boot. |
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--xz Compress the generated initramfs using xz. |
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Make sure that your kernel has xz support compiled |
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in, otherwise you will not be able to boot. |
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--compress [COMPRESSION] Compress the generated initramfs with the |
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passed compression program. Make sure your kernel |
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knows how to decompress the generated initramfs, |
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otherwise you will not be able to boot. |
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--no-compress Do not compress the generated initramfs. This will |
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override any other compression options. |
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--list-modules List all available dracut modules. |
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-M, --show-modules Print included module's name to standard output during |
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build. |
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--keep Keep the temporary initramfs for debugging purposes |
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--printsize Print out the module install size |
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--sshkey [SSHKEY] Add ssh key to initramfs (use with ssh-client module) |
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If [LIST] has multiple arguments, then you have to put these in quotes. |
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For example: |
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# dracut --add-drivers "module1 module2" ... |
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|
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EOF |
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} |
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# function push() |
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# push values to a stack |
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# $1 = stack variable |
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# $2.. values |
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# example: |
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# push stack 1 2 "3 4" |
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push() { |
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local _i |
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local __stack=$1; shift |
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for _i in "$@"; do |
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eval ${__stack}'[${#'${__stack}'[@]}]="$_i"' |
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done |
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} |
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# function pop() |
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# pops the last value from a stack |
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# assigns value to second argument variable |
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# or echo to stdout, if no second argument |
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# $1 = stack variable |
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# $2 = optional variable to store the value |
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# example: |
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# pop stack val |
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# val=$(pop stack) |
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pop() { |
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local __stack=$1; shift |
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local __resultvar=$1 |
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local _value; |
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# check for empty stack |
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eval '[[ ${#'${__stack}'[@]} -eq 0 ]] && return 1' |
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eval _value='${'${__stack}'[${#'${__stack}'[@]}-1]}' |
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if [[ "$__resultvar" ]]; then |
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eval $__resultvar="'$_value'" |
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else |
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echo "$_value" |
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fi |
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eval unset ${__stack}'[${#'${__stack}'[@]}-1]' |
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return 0 |
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} |
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# Little helper function for reading args from the commandline. |
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# it automatically handles -a b and -a=b variants, and returns 1 if |
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# we need to shift $3. |
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read_arg() { |
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# $1 = arg name |
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# $2 = arg value |
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# $3 = arg parameter |
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local rematch='^[^=]*=(.*)$' |
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if [[ $2 =~ $rematch ]]; then |
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read "$1" <<< "${BASH_REMATCH[1]}" |
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else |
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read "$1" <<< "$3" |
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# There is no way to shift our callers args, so |
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# return 1 to indicate they should do it instead. |
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return 1 |
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fi |
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} |
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dropindirs_sort() |
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{ |
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suffix=$1; shift |
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args=("$@") |
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files=$( |
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while (( $# > 0 )); do |
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for i in ${1}/*${suffix}; do |
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[[ -f $i ]] && echo ${i##*/} |
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done |
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shift |
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done | sort -Vu |
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) |
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for f in $files; do |
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for d in "${args[@]}"; do |
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if [[ -f "$d/$f" ]]; then |
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echo "$d/$f" |
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continue 2 |
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fi |
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done |
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done |
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} |
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verbosity_mod_l=0 |
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unset kernel |
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unset outfile |
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# Workaround -i, --include taking 2 arguments |
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set -- "${@/--include/++include}" |
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# This prevents any long argument ending with "-i" |
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# -i, like --opt-i but I think we can just prevent that |
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set -- "${@/%-i/++include}" |
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TEMP=$(unset POSIXLY_CORRECT; getopt \ |
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-o "a:m:o:d:I:k:c:L:fvqlHhMN" \ |
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--long kver: \ |
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--long add: \ |
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--long force-add: \ |
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--long add-drivers: \ |
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--long omit-drivers: \ |
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--long modules: \ |
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--long omit: \ |
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--long drivers: \ |
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--long filesystems: \ |
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--long install: \ |
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--long fwdir: \ |
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--long libdirs: \ |
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--long fscks: \ |
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--long add-fstab: \ |
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--long mount: \ |
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--long device: \ |
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--long nofscks: \ |
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--long ro-mnt \ |
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--long kmoddir: \ |
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--long conf: \ |
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--long confdir: \ |
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--long tmpdir: \ |
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--long stdlog: \ |
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--long compress: \ |
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--long prefix: \ |
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--long force \ |
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--long kernel-only \ |
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--long no-kernel \ |
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--long kernel-cmdline: \ |
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--long strip \ |
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--long nostrip \ |
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--long hardlink \ |
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--long nohardlink \ |
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--long noprefix \ |
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--long mdadmconf \ |
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--long nomdadmconf \ |
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--long lvmconf \ |
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--long nolvmconf \ |
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--long debug \ |
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--long profile \ |
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--long sshkey: \ |
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--long verbose \ |
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--long quiet \ |
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--long local \ |
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--long hostonly \ |
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--long host-only \ |
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--long no-hostonly \ |
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--long no-host-only \ |
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--long fstab \ |
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--long help \ |
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--long bzip2 \ |
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--long lzma \ |
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--long xz \ |
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--long no-compress \ |
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--long gzip \ |
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--long list-modules \ |
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--long show-modules \ |
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--long keep \ |
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--long printsize \ |
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--long regenerate-all \ |
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--long noimageifnotneeded \ |
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-- "$@") |
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|
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if (( $? != 0 )); then |
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usage |
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exit 1 |
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fi |
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eval set -- "$TEMP" |
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while :; do |
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case $1 in |
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--kver) kernel="$2"; shift;; |
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-a|--add) push add_dracutmodules_l "$2"; shift;; |
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--force-add) push force_add_dracutmodules_l "$2"; shift;; |
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--add-drivers) push add_drivers_l "$2"; shift;; |
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--omit-drivers) push omit_drivers_l "$2"; shift;; |
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-m|--modules) push dracutmodules_l "$2"; shift;; |
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-o|--omit) push omit_dracutmodules_l "$2"; shift;; |
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-d|--drivers) push drivers_l "$2"; shift;; |
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--filesystems) push filesystems_l "$2"; shift;; |
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-I|--install) push install_items_l "$2"; shift;; |
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--fwdir) push fw_dir_l "$2"; shift;; |
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--libdirs) push libdirs_l "$2"; shift;; |
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--fscks) push fscks_l "$2"; shift;; |
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--add-fstab) push add_fstab_l "$2"; shift;; |
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--mount) push fstab_lines "$2"; shift;; |
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--add-device|--device) |
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push add_device_l "$2"; shift;; |
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--kernel-cmdline) push kernel_cmdline_l "$2"; shift;; |
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--nofscks) nofscks_l="yes";; |
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--ro-mnt) ro_mnt_l="yes";; |
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-k|--kmoddir) drivers_dir_l="$2"; shift;; |
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-c|--conf) conffile="$2"; shift;; |
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--confdir) confdir="$2"; shift;; |
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--tmpdir) tmpdir_l="$2"; shift;; |
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-L|--stdlog) stdloglvl_l="$2"; shift;; |
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--compress) compress_l="$2"; shift;; |
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--prefix) prefix_l="$2"; shift;; |
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-f|--force) force=yes;; |
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--kernel-only) kernel_only="yes"; no_kernel="no";; |
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--no-kernel) kernel_only="no"; no_kernel="yes";; |
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--strip) do_strip_l="yes";; |
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--nostrip) do_strip_l="no";; |
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--hardlink) do_hardlink_l="yes";; |
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--nohardlink) do_hardlink_l="no";; |
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--noprefix) prefix_l="/";; |
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--mdadmconf) mdadmconf_l="yes";; |
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--nomdadmconf) mdadmconf_l="no";; |
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--lvmconf) lvmconf_l="yes";; |
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--nolvmconf) lvmconf_l="no";; |
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--debug) debug="yes";; |
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--profile) profile="yes";; |
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--sshkey) sshkey="$2"; shift;; |
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-v|--verbose) ((verbosity_mod_l++));; |
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-q|--quiet) ((verbosity_mod_l--));; |
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-l|--local) |
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allowlocal="yes" |
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[[ -f "$(readlink -f ${0%/*})/dracut-functions.sh" ]] \ |
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&& dracutbasedir="$(readlink -f ${0%/*})" |
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;; |
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-H|--hostonly|--host-only) |
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hostonly_l="yes" ;; |
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-N|--no-hostonly|--no-host-only) |
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hostonly_l="no" ;; |
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--fstab) use_fstab_l="yes" ;; |
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-h|--help) long_usage; exit 1 ;; |
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-i|--include) push include_src "$2" |
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shift;; |
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--bzip2) compress_l="bzip2";; |
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--lzma) compress_l="lzma";; |
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--xz) compress_l="xz";; |
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--no-compress) _no_compress_l="cat";; |
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--gzip) compress_l="gzip";; |
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--list-modules) do_list="yes";; |
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-M|--show-modules) |
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show_modules_l="yes" |
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;; |
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--keep) keep="yes";; |
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--printsize) printsize="yes";; |
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--regenerate-all) regenerate_all="yes";; |
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--noimageifnotneeded) noimageifnotneeded="yes";; |
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|
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--) shift; break;; |
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|
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*) # should not even reach this point |
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printf "\n!Unknown option: '%s'\n\n" "$1" >&2; usage; exit 1;; |
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esac |
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shift |
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done |
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|
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# getopt cannot handle multiple arguments, so just handle "-I,--include" |
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# the old fashioned way |
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|
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while (($# > 0)); do |
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case ${1%%=*} in |
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++include) push include_src "$2" |
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push include_target "$3" |
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shift 2;; |
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*) |
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if ! [[ ${outfile+x} ]]; then |
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outfile=$1 |
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elif ! [[ ${kernel+x} ]]; then |
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kernel=$1 |
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else |
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printf "\nUnknown arguments: %s\n\n" "$*" >&2 |
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usage; exit 1; |
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fi |
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;; |
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esac |
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shift |
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done |
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|
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if [[ $regenerate_all == "yes" ]]; then |
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ret=0 |
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if [[ $kernel ]]; then |
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echo "--regenerate-all cannot be called with a kernel version" >&2 |
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exit 1 |
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fi |
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|
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if [[ $outfile ]]; then |
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echo "--regenerate-all cannot be called with a image file" >&2 |
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exit 1 |
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fi |
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|
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((len=${#dracut_args[@]})) |
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for ((i=0; i < len; i++)); do |
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[[ ${dracut_args[$i]} == "--regenerate-all" ]] && \ |
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unset dracut_args[$i] |
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done |
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|
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cd /lib/modules |
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for i in *; do |
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[[ -f $i/modules.builtin ]] || continue |
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dracut --kver=$i "${dracut_args[@]}" |
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((ret+=$?)) |
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done |
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exit $ret |
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fi |
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|
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if ! [[ $kernel ]]; then |
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kernel=$(uname -r) |
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fi |
|
|
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if ! [[ $outfile ]]; then |
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[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id |
|
|
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if [[ $MACHINE_ID ]] && ( [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]] ); then |
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outfile="/boot/${MACHINE_ID}/$kernel/initrd" |
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else |
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outfile="/boot/initramfs-$kernel.img" |
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fi |
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fi |
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|
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for i in /usr/sbin /sbin /usr/bin /bin; do |
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rl=$i |
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if [ -L "$i" ]; then |
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rl=$(readlink -f $i) |
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fi |
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if [[ "$NPATH" != "*:$rl*" ]] ; then |
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NPATH+=":$rl" |
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fi |
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done |
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export PATH="${NPATH#:}" |
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unset NPATH |
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unset LD_LIBRARY_PATH |
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unset GREP_OPTIONS |
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|
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export DRACUT_LOG_LEVEL=warning |
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[[ $debug ]] && { |
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export DRACUT_LOG_LEVEL=debug |
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export PS4='${BASH_SOURCE}@${LINENO}(${FUNCNAME[0]}): '; |
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set -x |
|
} |
|
|
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[[ $profile ]] && { |
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export PS4='+ $(date "+%s.%N") ${BASH_SOURCE}@${LINENO}: '; |
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set -x |
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debug=yes |
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} |
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|
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[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut |
|
|
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# if we were not passed a config file, try the default one |
|
if [[ ! -f $conffile ]]; then |
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[[ $allowlocal ]] && conffile="$dracutbasedir/dracut.conf" || \ |
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conffile="/etc/dracut.conf" |
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fi |
|
|
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if [[ ! -d $confdir ]]; then |
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[[ $allowlocal ]] && confdir="$dracutbasedir/dracut.conf.d" || \ |
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confdir="/etc/dracut.conf.d" |
|
fi |
|
|
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# source our config file |
|
[[ -f $conffile ]] && . "$conffile" |
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|
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# source our config dir |
|
for f in $(dropindirs_sort ".conf" "$confdir" "$dracutbasedir/dracut.conf.d"); do |
|
[[ -e $f ]] && . "$f" |
|
done |
|
|
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# these optins add to the stuff in the config file |
|
if (( ${#add_dracutmodules_l[@]} )); then |
|
while pop add_dracutmodules_l val; do |
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add_dracutmodules+=" $val " |
|
done |
|
fi |
|
|
|
if (( ${#force_add_dracutmodules_l[@]} )); then |
|
while pop force_add_dracutmodules_l val; do |
|
force_add_dracutmodules+=" $val " |
|
done |
|
fi |
|
|
|
if (( ${#fscks_l[@]} )); then |
|
while pop fscks_l val; do |
|
fscks+=" $val " |
|
done |
|
fi |
|
|
|
if (( ${#add_fstab_l[@]} )); then |
|
while pop add_fstab_l val; do |
|
add_fstab+=" $val " |
|
done |
|
fi |
|
|
|
if (( ${#fstab_lines_l[@]} )); then |
|
while pop fstab_lines_l val; do |
|
push fstab_lines $val |
|
done |
|
fi |
|
|
|
if (( ${#install_items_l[@]} )); then |
|
while pop install_items_l val; do |
|
install_items+=" $val " |
|
done |
|
fi |
|
|
|
# these options override the stuff in the config file |
|
if (( ${#dracutmodules_l[@]} )); then |
|
dracutmodules='' |
|
while pop dracutmodules_l val; do |
|
dracutmodules+="$val " |
|
done |
|
fi |
|
|
|
if (( ${#omit_dracutmodules_l[@]} )); then |
|
omit_dracutmodules='' |
|
while pop omit_dracutmodules_l val; do |
|
omit_dracutmodules+="$val " |
|
done |
|
fi |
|
|
|
if (( ${#filesystems_l[@]} )); then |
|
filesystems='' |
|
while pop filesystems_l val; do |
|
filesystems+="$val " |
|
done |
|
fi |
|
|
|
if (( ${#fw_dir_l[@]} )); then |
|
fw_dir='' |
|
while pop fw_dir_l val; do |
|
fw_dir+="$val " |
|
done |
|
fi |
|
|
|
if (( ${#libdirs_l[@]} )); then |
|
libdirs='' |
|
while pop libdirs_l val; do |
|
libdirs+="$val " |
|
done |
|
fi |
|
|
|
[[ $stdloglvl_l ]] && stdloglvl=$stdloglvl_l |
|
[[ ! $stdloglvl ]] && stdloglvl=4 |
|
stdloglvl=$((stdloglvl + verbosity_mod_l)) |
|
((stdloglvl > 6)) && stdloglvl=6 |
|
((stdloglvl < 0)) && stdloglvl=0 |
|
|
|
[[ $drivers_dir_l ]] && drivers_dir=$drivers_dir_l |
|
[[ $do_strip_l ]] && do_strip=$do_strip_l |
|
[[ $do_strip ]] || do_strip=yes |
|
[[ $do_hardlink_l ]] && do_hardlink=$do_hardlink_l |
|
[[ $do_hardlink ]] || do_hardlink=yes |
|
[[ $prefix_l ]] && prefix=$prefix_l |
|
[[ $prefix = "/" ]] && unset prefix |
|
[[ $hostonly_l ]] && hostonly=$hostonly_l |
|
[[ $use_fstab_l ]] && use_fstab=$use_fstab_l |
|
[[ $mdadmconf_l ]] && mdadmconf=$mdadmconf_l |
|
[[ $lvmconf_l ]] && lvmconf=$lvmconf_l |
|
[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut |
|
[[ $fw_dir ]] || fw_dir="/lib/firmware/updates /lib/firmware" |
|
[[ $tmpdir_l ]] && tmpdir="$tmpdir_l" |
|
[[ $tmpdir ]] || tmpdir=/var/tmp |
|
[[ $compress_l ]] && compress=$compress_l |
|
[[ $show_modules_l ]] && show_modules=$show_modules_l |
|
[[ $nofscks_l ]] && nofscks="yes" |
|
[[ $ro_mnt_l ]] && ro_mnt="yes" |
|
# eliminate IFS hackery when messing with fw_dir |
|
fw_dir=${fw_dir//:/ } |
|
|
|
# handle compression options. |
|
[[ $compress ]] || compress="gzip" |
|
case $compress in |
|
bzip2) compress="bzip2 -9";; |
|
lzma) compress="lzma -9";; |
|
xz) compress="xz --check=crc32 --lzma2=dict=1MiB";; |
|
gzip) command -v pigz > /dev/null 2>&1 && compress="pigz -9" || \ |
|
compress="gzip -9";; |
|
esac |
|
if [[ $_no_compress_l = "cat" ]]; then |
|
compress="cat" |
|
fi |
|
|
|
[[ $hostonly = yes ]] && hostonly="-h" |
|
[[ $hostonly != "-h" ]] && unset hostonly |
|
|
|
readonly TMPDIR="$tmpdir" |
|
readonly initdir=$(mktemp --tmpdir="$TMPDIR/" -d -t initramfs.XXXXXX) |
|
[ -d "$initdir" ] || { |
|
echo "dracut: mktemp --tmpdir=\"$TMPDIR/\" -d -t initramfs.XXXXXX failed." >&2 |
|
exit 1 |
|
} |
|
|
|
# clean up after ourselves no matter how we die. |
|
trap 'ret=$?;[[ $outfile ]] && [[ -f $outfile.$$ ]] && rm -f "$outfile.$$";[[ $keep ]] && echo "Not removing $initdir." >&2 || { [[ $initdir ]] && rm -rf "$initdir";exit $ret; };' EXIT |
|
# clean up after ourselves no matter how we die. |
|
trap 'exit 1;' SIGINT |
|
|
|
export DRACUT_KERNEL_LAZY="1" |
|
export DRACUT_RESOLVE_LAZY="1" |
|
|
|
if [[ -f $dracutbasedir/dracut-functions.sh ]]; then |
|
. $dracutbasedir/dracut-functions.sh |
|
else |
|
echo "dracut: Cannot find $dracutbasedir/dracut-functions.sh." >&2 |
|
echo "dracut: Are you running from a git checkout?" >&2 |
|
echo "dracut: Try passing -l as an argument to $0" >&2 |
|
exit 1 |
|
fi |
|
|
|
inst /bin/sh |
|
if ! $DRACUT_INSTALL ${initdir+-D "$initdir"} -R "$initdir/bin/sh" &>/dev/null; then |
|
unset DRACUT_RESOLVE_LAZY |
|
export DRACUT_RESOLVE_DEPS=1 |
|
fi |
|
rm -fr ${initdir}/* |
|
|
|
if [[ -f $dracutbasedir/dracut-version.sh ]]; then |
|
. $dracutbasedir/dracut-version.sh |
|
fi |
|
|
|
# Verify bash version, current minimum is 3.1 |
|
if (( ${BASH_VERSINFO[0]} < 3 || |
|
( ${BASH_VERSINFO[0]} == 3 && ${BASH_VERSINFO[1]} < 1 ) )); then |
|
dfatal 'You need at least Bash 3.1 to use dracut, sorry.' |
|
exit 1 |
|
fi |
|
|
|
dracutfunctions=$dracutbasedir/dracut-functions.sh |
|
export dracutfunctions |
|
|
|
if (( ${#drivers_l[@]} )); then |
|
drivers='' |
|
while pop drivers_l val; do |
|
drivers+="$val " |
|
done |
|
fi |
|
drivers=${drivers/-/_} |
|
|
|
if (( ${#add_drivers_l[@]} )); then |
|
while pop add_drivers_l val; do |
|
add_drivers+=" $val " |
|
done |
|
fi |
|
add_drivers=${add_drivers/-/_} |
|
|
|
if (( ${#omit_drivers_l[@]} )); then |
|
while pop omit_drivers_l val; do |
|
omit_drivers+=" $val " |
|
done |
|
fi |
|
omit_drivers=${omit_drivers/-/_} |
|
|
|
if (( ${#kernel_cmdline_l[@]} )); then |
|
while pop kernel_cmdline_l val; do |
|
kernel_cmdline+=" $val " |
|
done |
|
fi |
|
|
|
omit_drivers_corrected="" |
|
for d in $omit_drivers; do |
|
strstr " $drivers $add_drivers " " $d " && continue |
|
omit_drivers_corrected+="$d|" |
|
done |
|
omit_drivers="${omit_drivers_corrected%|}" |
|
unset omit_drivers_corrected |
|
|
|
# prepare args for logging |
|
for ((i=0; i < ${#dracut_args[@]}; i++)); do |
|
strstr "${dracut_args[$i]}" " " && \ |
|
dracut_args[$i]="\"${dracut_args[$i]}\"" |
|
#" keep vim happy |
|
done |
|
ddebug "Executing: $0 ${dracut_args[@]}" |
|
|
|
[[ $do_list = yes ]] && { |
|
for mod in $dracutbasedir/modules.d/*; do |
|
[[ -d $mod ]] || continue; |
|
[[ -e $mod/install || -e $mod/installkernel || \ |
|
-e $mod/module-setup.sh ]] || continue |
|
echo ${mod##*/??} |
|
done |
|
exit 0 |
|
} |
|
|
|
# This is kinda legacy -- eventually it should go away. |
|
case $dracutmodules in |
|
""|auto) dracutmodules="all" ;; |
|
esac |
|
|
|
abs_outfile=$(readlink -f "$outfile") && outfile="$abs_outfile" |
|
|
|
if [[ -d $srcmods ]]; then |
|
[[ -f $srcmods/modules.dep ]] || { |
|
dwarn "$srcmods/modules.dep is missing. Did you run depmod?" |
|
} |
|
fi |
|
|
|
if [[ -f $outfile && ! $force ]]; then |
|
dfatal "Will not override existing initramfs ($outfile) without --force" |
|
exit 1 |
|
fi |
|
|
|
outdir=${outfile%/*} |
|
[[ $outdir ]] || outdir="/" |
|
|
|
if [[ ! -d "$outdir" ]]; then |
|
dfatal "Can't write to $outdir: Directory $outdir does not exist or is not accessible." |
|
exit 1 |
|
elif [[ ! -w "$outdir" ]]; then |
|
dfatal "No permission to write to $outdir." |
|
exit 1 |
|
elif [[ -f "$outfile" && ! -w "$outfile" ]]; then |
|
dfatal "No permission to write $outfile." |
|
exit 1 |
|
fi |
|
|
|
# Need to be able to have non-root users read stuff (rpcbind etc) |
|
chmod 755 "$initdir" |
|
|
|
if [[ $hostonly ]]; then |
|
for i in /sys /proc /run /dev; do |
|
if ! findmnt "$i" &>/dev/null; then |
|
dwarning "Turning off host-only mode: '$i' is not mounted!" |
|
unset hostonly |
|
fi |
|
done |
|
if ! [[ -d /run/udev/data ]]; then |
|
dwarning "Turning off host-only mode: udev database not found!" |
|
unset hostonly |
|
fi |
|
fi |
|
|
|
declare -A host_fs_types |
|
|
|
for line in "${fstab_lines[@]}"; do |
|
set -- $line |
|
#dev mp fs fsopts |
|
push host_devs "$1" |
|
host_fs_types["$1"]="$3" |
|
done |
|
|
|
for f in $add_fstab; do |
|
[ -e $f ] || continue |
|
while read dev rest; do |
|
push host_devs $dev |
|
done < $f |
|
done |
|
|
|
if (( ${#add_device_l[@]} )); then |
|
while pop add_device_l val; do |
|
add_device+=" $val " |
|
done |
|
fi |
|
|
|
for dev in $add_device; do |
|
push host_devs $dev |
|
done |
|
|
|
if [[ $hostonly ]]; then |
|
# in hostonly mode, determine all devices, which have to be accessed |
|
# and examine them for filesystem types |
|
|
|
for mp in \ |
|
"/" \ |
|
"/etc" \ |
|
"/usr" \ |
|
"/usr/bin" \ |
|
"/usr/sbin" \ |
|
"/usr/lib" \ |
|
"/usr/lib64" \ |
|
"/boot"; |
|
do |
|
mountpoint "$mp" >/dev/null 2>&1 || continue |
|
push host_devs $(readlink -f "/dev/block/$(find_block_device "$mp")") |
|
done |
|
|
|
while read dev type rest; do |
|
[[ -b $dev ]] || continue |
|
[[ "$type" == "partition" ]] || continue |
|
while read _d _m _t _o _r; do |
|
[[ "$_d" == \#* ]] && continue |
|
[[ $_d ]] || continue |
|
[[ $_t != "swap" ]] || [[ $_m != "swap" ]] && continue |
|
[[ "$_o" == *noauto* ]] && continue |
|
[[ "$_d" == UUID\=* ]] && _d="/dev/disk/by-uuid/${_d#UUID=}" |
|
[[ "$_d" == LABEL\=* ]] && _d="/dev/disk/by-label/$_d#LABEL=}" |
|
[[ "$_d" -ef "$dev" ]] || continue |
|
|
|
while read _mapper _a _p _o; do |
|
[[ $_mapper = \#* ]] && continue |
|
[[ "$_d" -ef /dev/mapper/"$_mapper" ]] || continue |
|
[[ "$_o" ]] || _o="$_p" |
|
# skip mkswap swap |
|
[[ $_o == *swap* ]] && continue 2 |
|
done < /etc/crypttab |
|
|
|
push host_devs $(readlink -f $dev) |
|
break |
|
done < /etc/fstab |
|
done < /proc/swaps |
|
fi |
|
|
|
_get_fs_type() ( |
|
[[ $1 ]] || return |
|
if [[ -b $1 ]] && get_fs_env $1; then |
|
echo "$(readlink -f $1) $ID_FS_TYPE" |
|
return 1 |
|
fi |
|
if [[ -b /dev/block/$1 ]] && get_fs_env /dev/block/$1; then |
|
echo "$(readlink -f /dev/block/$1) $ID_FS_TYPE" |
|
return 1 |
|
fi |
|
if fstype=$(find_dev_fstype $1); then |
|
echo "$1 $fstype" |
|
return 1 |
|
fi |
|
return 1 |
|
) |
|
|
|
for dev in "${host_devs[@]}"; do |
|
while read key val; do |
|
host_fs_types["$key"]="$val" |
|
done < <( |
|
_get_fs_type $dev |
|
check_block_and_slaves_all _get_fs_type $(get_maj_min $dev) |
|
) |
|
done |
|
|
|
[[ -d $udevdir ]] \ |
|
|| udevdir=$(pkg-config udev --variable=udevdir 2>/dev/null) |
|
if ! [[ -d "$udevdir" ]]; then |
|
[[ -d /lib/udev ]] && udevdir=/lib/udev |
|
[[ -d /usr/lib/udev ]] && udevdir=/usr/lib/udev |
|
fi |
|
|
|
[[ -d $systemdutildir ]] \ |
|
|| systemdutildir=$(pkg-config systemd --variable=systemdutildir 2>/dev/null) |
|
|
|
if ! [[ -d "$systemdutildir" ]]; then |
|
[[ -d /lib/systemd ]] && systemdutildir=/lib/systemd |
|
[[ -d /usr/lib/systemd ]] && systemdutildir=/usr/lib/systemd |
|
fi |
|
|
|
[[ -d $systemdsystemunitdir ]] \ |
|
|| systemdsystemunitdir=$(pkg-config systemd --variable=systemdsystemunitdir 2>/dev/null) |
|
|
|
[[ -d "$systemdsystemunitdir" ]] || systemdsystemunitdir=${systemdutildir}/system |
|
|
|
[[ -d $systemdsystemconfdir ]] \ |
|
|| systemdsystemconfdir=$(pkg-config systemd --variable=systemdsystemconfdir 2>/dev/null) |
|
|
|
[[ -d "$systemdsystemconfdir" ]] || systemdsystemconfdir=/etc/systemd/system |
|
|
|
export initdir dracutbasedir dracutmodules \ |
|
fw_dir drivers_dir debug no_kernel kernel_only \ |
|
omit_drivers mdadmconf lvmconf \ |
|
use_fstab fstab_lines libdirs fscks nofscks ro_mnt \ |
|
stdloglvl sysloglvl fileloglvl kmsgloglvl logfile \ |
|
debug host_fs_types host_devs sshkey add_fstab \ |
|
DRACUT_VERSION udevdir prefix filesystems drivers \ |
|
systemdutildir systemdsystemunitdir systemdsystemconfdir |
|
|
|
# Create some directory structure first |
|
[[ $prefix ]] && mkdir -m 0755 -p "${initdir}${prefix}" |
|
|
|
[[ -h /lib ]] || mkdir -m 0755 -p "${initdir}${prefix}/lib" |
|
[[ $prefix ]] && ln -sfn "${prefix#/}/lib" "$initdir/lib" |
|
|
|
if [[ $prefix ]]; then |
|
for d in bin etc lib sbin tmp usr var $libdirs; do |
|
strstr "$d" "/" && continue |
|
ln -sfn "${prefix#/}/${d#/}" "$initdir/$d" |
|
done |
|
fi |
|
|
|
if [[ $kernel_only != yes ]]; then |
|
for d in usr/bin usr/sbin bin etc lib sbin tmp usr var $libdirs; do |
|
[[ -e "${initdir}${prefix}/$d" ]] && continue |
|
if [ -L "/$d" ]; then |
|
inst_symlink "/$d" "${prefix}/$d" |
|
else |
|
mkdir -m 0755 -p "${initdir}${prefix}/$d" |
|
fi |
|
done |
|
|
|
for d in dev proc sys sysroot root run run/lock run/initramfs; do |
|
if [ -L "/$d" ]; then |
|
inst_symlink "/$d" |
|
else |
|
mkdir -m 0755 -p "$initdir/$d" |
|
fi |
|
done |
|
|
|
ln -sfn ../run "$initdir/var/run" |
|
ln -sfn ../run/lock "$initdir/var/lock" |
|
ln -sfn ../run/log "$initdir/var/log" |
|
else |
|
for d in lib "$libdir"; do |
|
[[ -e "${initdir}${prefix}/$d" ]] && continue |
|
if [ -h "/$d" ]; then |
|
inst "/$d" "${prefix}/$d" |
|
else |
|
mkdir -m 0755 -p "${initdir}${prefix}/$d" |
|
fi |
|
done |
|
fi |
|
|
|
if [[ $kernel_only != yes ]]; then |
|
mkdir -p "${initdir}/etc/cmdline.d" |
|
for _d in $hookdirs; do |
|
mkdir -m 0755 -p ${initdir}/lib/dracut/hooks/$_d |
|
done |
|
if [[ "$UID" = "0" ]]; then |
|
[ -c ${initdir}/dev/null ] || mknod ${initdir}/dev/null c 1 3 |
|
[ -c ${initdir}/dev/kmsg ] || mknod ${initdir}/dev/kmsg c 1 11 |
|
[ -c ${initdir}/dev/console ] || mknod ${initdir}/dev/console c 5 1 |
|
fi |
|
fi |
|
|
|
mods_to_load="" |
|
# check all our modules to see if they should be sourced. |
|
# This builds a list of modules that we will install next. |
|
for_each_module_dir check_module |
|
for_each_module_dir check_mount |
|
|
|
strstr "$mods_to_load" "fips" && export DRACUT_FIPS_MODE=1 |
|
|
|
_isize=0 #initramfs size |
|
modules_loaded=" " |
|
# source our modules. |
|
for moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do |
|
_d_mod=${moddir##*/}; _d_mod=${_d_mod#[0-9][0-9]} |
|
if strstr "$mods_to_load" " $_d_mod "; then |
|
[[ $show_modules = yes ]] && echo "$_d_mod" || \ |
|
dinfo "*** Including module: $_d_mod ***" |
|
if [[ $kernel_only = yes ]]; then |
|
module_installkernel $_d_mod || { |
|
dfatal "installkernel failed in module $_d_mod" |
|
exit 1 |
|
} |
|
else |
|
module_install $_d_mod |
|
if [[ $no_kernel != yes ]]; then |
|
module_installkernel $_d_mod || { |
|
dfatal "installkernel failed in module $_d_mod" |
|
exit 1 |
|
} |
|
fi |
|
fi |
|
mods_to_load=${mods_to_load// $_d_mod /} |
|
modules_loaded+="$_d_mod " |
|
|
|
#print the module install size |
|
if [ -n "$printsize" ]; then |
|
_isize_new=$(du -sk ${initdir}|cut -f1) |
|
_isize_delta=$(($_isize_new - $_isize)) |
|
echo "$_d_mod install size: ${_isize_delta}k" |
|
_isize=$_isize_new |
|
fi |
|
fi |
|
done |
|
unset moddir |
|
|
|
for i in $modules_loaded; do |
|
mkdir -p $initdir/lib/dracut |
|
echo "$i" >> $initdir/lib/dracut/modules.txt |
|
done |
|
|
|
dinfo "*** Including modules done ***" |
|
|
|
## final stuff that has to happen |
|
if [[ $no_kernel != yes ]]; then |
|
|
|
if [[ $drivers ]]; then |
|
hostonly='' instmods $drivers |
|
fi |
|
|
|
if [[ $add_drivers ]]; then |
|
hostonly='' instmods -c $add_drivers |
|
fi |
|
if [[ $filesystems ]]; then |
|
hostonly='' instmods -c $filesystems |
|
fi |
|
|
|
dinfo "*** Installing kernel module dependencies and firmware ***" |
|
dracut_kernel_post |
|
dinfo "*** Installing kernel module dependencies and firmware done ***" |
|
|
|
if [[ $noimageifnotneeded == yes ]] && [[ $hostonly ]]; then |
|
if [[ ! -f "$initdir/lib/dracut/need-initqueue" ]] && \ |
|
[[ -f ${initdir}/lib/modules/$kernel/modules.dep && ! -s ${initdir}/lib/modules/$kernel/modules.dep ]]; then |
|
for i in ${initdir}/etc/cmdline.d/*.conf; do |
|
# We need no initramfs image and do not generate one. |
|
[[ $i == "${initdir}/etc/cmdline.d/*.conf" ]] && exit 0 |
|
done |
|
fi |
|
fi |
|
fi |
|
|
|
if [[ $kernel_only != yes ]]; then |
|
(( ${#install_items[@]} > 0 )) && dracut_install ${install_items[@]} |
|
|
|
[[ $kernel_cmdline ]] && echo "$kernel_cmdline" >> "${initdir}/etc/cmdline.d/01-default.conf" |
|
|
|
while pop fstab_lines line; do |
|
echo "$line 0 0" >> "${initdir}/etc/fstab" |
|
done |
|
|
|
for f in $add_fstab; do |
|
cat $f >> "${initdir}/etc/fstab" |
|
done |
|
|
|
if [ -d ${initdir}/$systemdutildir ]; then |
|
mkdir -p ${initdir}/etc/conf.d |
|
{ |
|
echo "systemdutildir=\"$systemdutildir\"" |
|
echo "systemdsystemunitdir=\"$systemdsystemunitdir\"" |
|
echo "systemdsystemconfdir=\"$systemdsystemconfdir\"" |
|
} > ${initdir}/etc/conf.d/systemd.conf |
|
fi |
|
|
|
if [[ $DRACUT_RESOLVE_LAZY ]] && [[ $DRACUT_INSTALL ]]; then |
|
dinfo "*** Resolving executable dependencies ***" |
|
find "$initdir" -type f \ |
|
'(' -perm -0100 -or -perm -0010 -or -perm -0001 ')' \ |
|
-not -path '*.ko' -print0 \ |
|
| xargs -r -0 $DRACUT_INSTALL ${initdir+-D "$initdir"} -R ${DRACUT_FIPS_MODE+-H} |
|
dinfo "*** Resolving executable dependencies done***" |
|
fi |
|
fi |
|
|
|
while pop include_src src && pop include_target tgt; do |
|
if [[ $src && $tgt ]]; then |
|
if [[ -f $src ]]; then |
|
inst $src $tgt |
|
else |
|
ddebug "Including directory: $src" |
|
mkdir -p "${initdir}/${tgt}" |
|
# check for preexisting symlinks, so we can cope with the |
|
# symlinks to $prefix |
|
for i in "$src"/*; do |
|
[[ -e "$i" || -h "$i" ]] || continue |
|
s=${initdir}/${tgt}/${i#$src/} |
|
if [[ -d "$i" ]]; then |
|
if ! [[ -e "$s" ]]; then |
|
mkdir -m 0755 -p "$s" |
|
chmod --reference="$i" "$s" |
|
fi |
|
cp --reflink=auto --sparse=auto -fa -t "$s" "$i"/* |
|
else |
|
cp --reflink=auto --sparse=auto -fa -t "$s" "$i" |
|
fi |
|
done |
|
fi |
|
fi |
|
done |
|
|
|
if [[ $kernel_only != yes ]]; then |
|
# make sure that library links are correct and up to date |
|
for f in /etc/ld.so.conf /etc/ld.so.conf.d/*; do |
|
[[ -f $f ]] && inst_simple "$f" |
|
done |
|
if ! ldconfig -r "$initdir"; then |
|
if [[ $UID = 0 ]]; then |
|
derror "ldconfig exited ungracefully" |
|
else |
|
derror "ldconfig might need uid=0 (root) for chroot()" |
|
fi |
|
fi |
|
fi |
|
|
|
if (($maxloglvl >= 5)); then |
|
ddebug "Listing sizes of included files:" |
|
du -c "$initdir" | sort -n | ddebug |
|
fi |
|
|
|
PRELINK_BIN=$(command -v prelink) |
|
if [[ $UID = 0 ]] && [[ $PRELINK_BIN ]]; then |
|
if [[ $DRACUT_FIPS_MODE ]]; then |
|
dinfo "*** Installing prelink files ***" |
|
dracut_install -o prelink /etc/prelink.conf /etc/prelink.conf.d/*.conf /etc/prelink.cache |
|
else |
|
dinfo "*** Pre-linking files ***" |
|
dracut_install -o prelink /etc/prelink.conf /etc/prelink.conf.d/*.conf |
|
chroot "$initdir" $PRELINK_BIN -a |
|
rm -f "$initdir"/$PRELINK_BIN |
|
rm -fr "$initdir"/etc/prelink.* |
|
dinfo "*** Pre-linking files done ***" |
|
fi |
|
fi |
|
|
|
if [[ $do_hardlink = yes ]] && command -v hardlink >/dev/null; then |
|
dinfo "*** Hardlinking files ***" |
|
hardlink "$initdir" 2>&1 |
|
dinfo "*** Hardlinking files done ***" |
|
fi |
|
|
|
# strip binaries |
|
if [[ $do_strip = yes ]] ; then |
|
for p in strip xargs find; do |
|
if ! type -P $p >/dev/null; then |
|
dinfo "Could not find '$p'. Not stripping the initramfs." |
|
do_strip=no |
|
fi |
|
done |
|
fi |
|
|
|
if [[ $do_strip = yes ]] ; then |
|
dinfo "*** Stripping files ***" |
|
if [[ $DRACUT_FIPS_MODE ]]; then |
|
find "$initdir" -type f \ |
|
-executable -not -path '*/lib/modules/*.ko' -print0 \ |
|
| while read -r -d $'\0' f; do |
|
if ! [[ -e "${f%/*}/.${f##*/}.hmac" ]] \ |
|
&& ! [[ -e "/lib/hmaccalc/${f##*/}.hmac" ]] \ |
|
&& ! [[ -e "/lib64/hmaccalc/${f##*/}.hmac" ]] \ |
|
&& ! [[ -e "/lib/fipscheck/${f##*/}.hmac" ]] \ |
|
&& ! [[ -e "/lib64/fipscheck/${f##*/}.hmac" ]]; then |
|
echo -n "$f"; echo -n -e "\000" |
|
fi |
|
done | xargs -r -0 strip -g 2>/dev/null |
|
else |
|
find "$initdir" -type f \ |
|
-executable -not -path '*/lib/modules/*.ko' -print0 \ |
|
| xargs -r -0 strip -g 2>/dev/null |
|
fi |
|
|
|
# strip kernel modules, but do not touch signed modules |
|
find "$initdir" -type f -path '*/lib/modules/*.ko' -print0 \ |
|
| while read -r -d $'\0' f; do |
|
SIG=$(tail -c 28 "$f") |
|
[[ $SIG == '~Module signature appended~' ]] || { echo -n "$f"; echo -n -e "\000"; } |
|
done | xargs -r -0 strip -g |
|
|
|
dinfo "*** Stripping files done ***" |
|
fi |
|
|
|
rm -f "$outfile" |
|
dinfo "*** Creating image file ***" |
|
if ! ( umask 077; cd "$initdir"; find . |cpio -R 0:0 -H newc -o --quiet| \ |
|
$compress > "$outfile.$$"; ); then |
|
dfatal "dracut: creation of $outfile.$$ failed" |
|
exit 1 |
|
fi |
|
mv $outfile.$$ $outfile |
|
dinfo "*** Creating image file done ***" |
|
|
|
dinfo "Wrote $outfile:" |
|
dinfo "$(ls -l "$outfile")" |
|
|
|
exit 0
|
|
|