#!/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/>.
# 
#************************************************************************************

. /ventoy/hook/ventoy-hook-lib.sh

if is_ventoy_hook_finished; then
    exit 0
fi

VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH

if is_inotify_ventoy_part $3; then
    vtlog "##### INOTIFYD: $2/$3 is created (YES) ..."
    
    vtlog "find ventoy partition ..."
    $BUSYBOX_PATH/sh $VTOY_PATH/hook/default/udev_disk_hook.sh $3 noreplace
    
    blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')  
    vtDM=$(ventoy_find_dm_id ${blkdev_num})   
    vtLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $AWK '{print $2}' | $SED 's/.*"\(.*\)".*/\1/')
    
    vtlog "blkdev_num=$blkdev_num  vtDM=$vtDM  label $vtLABEL ..."
   
    if [ -n "$vtLABEL" ]; then
        $BUSYBOX_PATH/mkdir -p /dev/disk/by-label/
        ln -s /dev/$vtDM /dev/disk/by-label/$vtLABEL
    fi
    
    #
    # cheatcode for mageia
    #
    # From mageia/soft/drakx/mdk-stage1 source code, we see that the stage1 binary will search 
    # /tmp/syslog file to determin whether there is a DAC960 cdrom in the system.
    # So we insert some string to /tmp/syslog file to cheat the stage1 program.
    #
    $BUSYBOX_PATH/mkdir -p /dev/rd
    ventoy_copy_device_mapper "/dev/rd/ventoy"
    echo 'ventoy cheatcode /dev/rd/ventoy:  model' >> /tmp/syslog

    if [ -e /sbin/mgalive-root ]; then
        vtlog "set mgalive-root ..."
            
        $BUSYBOX_PATH/cp -a $BUSYBOX_PATH/blkid /sbin/blkid
        $BUSYBOX_PATH/mkdir -p /dev/mapper
        ln -s /dev/$vtDM  /dev/mapper/ventoy     
        /sbin/mgalive-root /dev/dm-0    
    fi
    
    set_ventoy_hook_finish
else
    vtlog "##### INOTIFYD: $2/$3 is created (NO) ..."
fi

PATH=$VTPATH_OLD