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&=LyY ? #!/usr/bin/bash
#
# functions used only by dracut and dracut modules
#
# Copyright 2005-2009 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 .
#
export LC_MESSAGES=C
if [[ $EUID == "0" ]] && ! [[ $DRACUT_NO_XATTR ]]; then
export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr,links -dfr"
else
export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,links -dfr"
fi
# is_func
# Check whether $1 is a function.
is_func() {
[[ "$(type -t "$1")" == "function" ]]
}
if ! [[ $dracutbasedir ]]; then
dracutbasedir=${BASH_SOURCE[0]%/*}
[[ $dracutbasedir == dracut-functions* ]] && dracutbasedir="."
[[ $dracutbasedir ]] || dracutbasedir="."
dracutbasedir="$(readlink -f $dracutbasedir)"
fi
if ! is_func dinfo > /dev/null 2>&1; then
# shellcheck source=./dracut-logger.sh
. "$dracutbasedir/dracut-logger.sh"
dlog_init
fi
# shellcheck disable=SC2154
if ! [[ $initdir ]]; then
dfatal "initdir not set"
exit 1
fi
if ! [[ -d $initdir ]]; then
mkdir -p "$initdir"
fi
if ! [[ $kernel ]]; then
kernel=$(uname -r)
export kernel
fi
# shellcheck disable=SC2154
srcmods="$dracutsysrootdir/lib/modules/$kernel/"
# shellcheck disable=SC2154
[[ $drivers_dir ]] && {
if ! command -v kmod &> /dev/null && vercmp "$(modprobe --version | cut -d' ' -f3)" lt 3.7; then
dfatal 'To use --kmoddir option module-init-tools >= 3.7 is required.'
exit 1
fi
srcmods="$drivers_dir"
}
export srcmods
# export standard hookdirs
[[ $hookdirs ]] || {
hookdirs="cmdline pre-udev pre-trigger netroot "
hookdirs+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout "
hookdirs+="pre-mount pre-pivot cleanup mount "
hookdirs+="emergency shutdown-emergency pre-shutdown shutdown "
export hookdirs
}
DRACUT_LDD=${DRACUT_LDD:-ldd}
DRACUT_TESTBIN=${DRACUT_TESTBIN:-/bin/sh}
DRACUT_LDCONFIG=${DRACUT_LDCONFIG:-ldconfig}
# shellcheck source=./dracut-functions.sh
. "$dracutbasedir"/dracut-functions.sh
# Detect lib paths
if ! [[ $libdirs ]]; then
if [[ $("$DRACUT_LDD" "$dracutsysrootdir$DRACUT_TESTBIN") == */lib64/* ]] &> /dev/null \
&& [[ -d $dracutsysrootdir/lib64 ]]; then
libdirs+=" /lib64"
[[ -d $dracutsysrootdir/usr/lib64 ]] && libdirs+=" /usr/lib64"
else
libdirs+=" /lib"
[[ -d $dracutsysrootdir/usr/lib ]] && libdirs+=" /usr/lib"
fi
libdirs+=" $(ldconfig_paths)"
export libdirs
fi
# helper function for check() in module-setup.sh
# to check for required installed binaries
# issues a standardized warning message
require_binaries() {
# shellcheck disable=SC2154
local _module_name="${moddir##*/}"
local _ret=0
if [[ $1 == "-m" ]]; then
_module_name="$2"
shift 2
fi
for cmd in "$@"; do
if ! find_binary "$cmd" &> /dev/null; then
dinfo "dracut module '${_module_name#[0-9][0-9]}' will not be installed, because command '$cmd' could not be found!"
((_ret++))
fi
done
return "$_ret"
}
require_any_binary() {
local _module_name="${moddir##*/}"
local _ret=1
if [[ $1 == "-m" ]]; then
_module_name="$2"
shift 2
fi
for cmd in "$@"; do