initial commit

IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh

@@ -0,0 +1,111 @@
+#!/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
+
+ventoy_os_install_dmsetup() {
+
+    vt_usb_disk=$1
+
+    # dump iso file location
+    $VTOY_PATH/tool/vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vt_usb_disk} > $VTOY_PATH/iso_file_list
+
+    # install dmsetup 
+    LINE=$($GREP ' dmsetup.*\.udeb'  $VTOY_PATH/iso_file_list)
+    if [ $? -eq 0 ]; then
+        install_udeb_from_line "$LINE" ${vt_usb_disk}
+    fi
+
+    # install libdevmapper
+    LINE=$($GREP ' libdevmapper.*\.udeb'  $VTOY_PATH/iso_file_list)
+    if [ $? -eq 0 ]; then
+        install_udeb_from_line "$LINE" ${vt_usb_disk}
+    fi
+
+    # install md-modules
+    LINE=$($GREP ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list)
+    if [ $? -eq 0 ]; then
+        install_udeb_from_line "$LINE" ${vt_usb_disk} 
+    fi
+
+    # insmod md-mod if needed
+    if $GREP -q 'device-mapper' /proc/devices; then
+        vtlog "device mapper module is loaded"
+    else
+        vtlog"device mapper module is NOT loaded, now load it..."
+        
+        VER=$($BUSYBOX_PATH/uname -r)    
+        KO=$($FIND /lib/modules/$VER/kernel/drivers/md -name "dm-mod*")
+        vtlog "KO=$KO"
+        
+        insmod $KO
+    fi
+    
+    vtlog "dmsetup install finish, now check it..."
+    if dmsetup info >> $VTLOG 2>&1; then
+        vtlog "dmsetup work ok"
+    else
+        vtlog "dmsetup not work, now try to load eglibc ..."
+        
+        # install eglibc (some ubuntu 32 bit version need it)
+        LINE=$($GREP 'libc6-.*\.udeb'  $VTOY_PATH/iso_file_list)
+        if [ $? -eq 0 ]; then
+            install_udeb_from_line "$LINE" ${vt_usb_disk} 
+        fi
+        
+        if dmsetup info >> $VTLOG 2>&1; then
+            vtlog "dmsetup work ok after retry"
+        else
+            vtlog "dmsetup still not work after retry"
+        fi
+    fi
+}
+
+if is_ventoy_hook_finished || not_ventoy_disk "${1:0:-1}"; then
+    exit 0
+fi
+
+dmsetup_path=$(ventoy_find_bin_path dmsetup)
+if [ -z "$dmsetup_path" ]; then
+    ventoy_os_install_dmsetup "/dev/${1:0:-1}"
+fi
+
+ventoy_udev_disk_common_hook $*
+
+#
+# Some distro default only accept usb partitions as install medium.
+# So if ventoy is installed on a non-USB device, we just mount /cdrom here except
+# for these has boot=live or boot=casper parameter in cmdline
+#
+if echo $ID_BUS | $GREP -q -i usb; then
+    vtlog "$1 is USB device"
+else
+    vtlog "$1 is NOT USB device (bus $ID_BUS)"
+    
+    if $EGREP -q 'boot=|casper' /proc/cmdline; then
+        vtlog "boot=, or casper, don't mount"
+    else
+        vtlog "No boot param, need to mount"
+        $BUSYBOX_PATH/mkdir /cdrom
+        $BUSYBOX_PATH/mount -t iso9660 $VTOY_DM_PATH  /cdrom
+    fi
+fi
+
+# OK finish
+set_ventoy_hook_finish