Ventoy/IMG/cpio/ventoy/hook/ventoy-os-lib.sh

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#!/ventoy/busybox/sh
#************************************************************************************
# Copyright (c) 2020, longpanda <admin@ventoy.net>
#
# 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 3 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/>.
#
#************************************************************************************
VT_RULE_DIR_PREFIX=""
VT_PRINTK_LEVEL=0
VT_UDEV_RULE_FILE_NAME="99-ventoy.rules"
VT_UDEV_RULE_PREFIX="ACTION==\"add\", SUBSYSTEM==\"block\","
ventoy_close_printk() {
VT_PRINTK_LEVEL=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
if [ -e /proc/sys/kernel/printk ]; then
echo 0 > /proc/sys/kernel/printk
fi
}
ventoy_restore_printk() {
if [ -e /proc/sys/kernel/printk ]; then
echo $VT_PRINTK_LEVEL > /proc/sys/kernel/printk
fi
}
ventoy_set_rule_dir_prefix() {
VT_RULE_DIR_PREFIX=$1
}
ventoy_get_udev_conf_dir() {
if [ -d $VT_RULE_DIR_PREFIX/etc/udev/rules.d ]; then
VT_RULE_PATH=$VT_RULE_DIR_PREFIX/etc/udev/rules.d
elif [ -d $VT_RULE_DIR_PREFIX/lib/udev/rules.d ]; then
VT_RULE_PATH=$VT_RULE_DIR_PREFIX/lib/udev/rules.d
else
$BUSYBOX_PATH/mkdir -p $VT_RULE_DIR_PREFIX/etc/udev/rules.d
VT_RULE_PATH=$VT_RULE_DIR_PREFIX/etc/udev/rules.d
fi
echo -n "$VT_RULE_PATH"
}
ventoy_get_udev_conf_path() {
VT_RULE_DIR=$(ventoy_get_udev_conf_dir)
echo "$VT_RULE_DIR/$VT_UDEV_RULE_FILE_NAME"
}
ventoy_add_kernel_udev_rule() {
VT_UDEV_RULE_PATH=$(ventoy_get_udev_conf_path)
echo "KERNEL==\"$1\", $VT_UDEV_RULE_PREFIX RUN+=\"$2\"" >> $VT_UDEV_RULE_PATH
}
ventoy_add_udev_rule_with_name() {
VT_UDEV_RULE_DIR=$(ventoy_get_udev_conf_dir)
echo "KERNEL==\"*2\", $VT_UDEV_RULE_PREFIX RUN+=\"$1\"" >> $VT_UDEV_RULE_DIR/$2
}
ventoy_add_udev_rule_with_path() {
echo "KERNEL==\"*2\", $VT_UDEV_RULE_PREFIX RUN+=\"$1\"" >> $2
}
ventoy_add_udev_rule() {
VT_UDEV_RULE_PATH=$(ventoy_get_udev_conf_path)
echo "KERNEL==\"*2\", $VT_UDEV_RULE_PREFIX RUN+=\"$1\"" >> $VT_UDEV_RULE_PATH
}
#
# It seems there is a bug in somw version of systemd-udevd
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=869719
#
ventoy_systemd_udevd_work_around() {
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for vtdir in 'lib' 'usr/lib'; do
VTSYSTEMUDEV="$VT_RULE_DIR_PREFIX/$vtdir/systemd/system/systemd-udevd.service"
if [ -e $VTSYSTEMUDEV ]; then
if $GREP -q 'SystemCallArchitectures.*native' $VTSYSTEMUDEV; then
$SED "s/.*\(SystemCallArchitectures.*native\)/#\1/g" -i $VTSYSTEMUDEV
break
fi
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fi
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done
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}
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ventoy_print_yum_repo() {
echo "[$1]"
echo "name=$1"
echo "baseurl=$2"
echo "enabled=1"
echo "gpgcheck=0"
echo "priority=0"
}
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ventoy_set_inotify_script() {
echo $VTOY_PATH/hook/$1 > $VTOY_PATH/inotifyd-hook-script.txt
}
ventoy_set_loop_inotify_script() {
echo $VTOY_PATH/loop/$1 > $VTOY_PATH/inotifyd-loop-script.txt
}
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ventoy_check_insmod() {
if [ -e $1 ]; then
$BUSYBOX_PATH/insmod $1
fi
}
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ventoy_check_mount() {
if [ -e $1 ]; then
$BUSYBOX_PATH/mount $1 $2
fi
}