Optimize udev process

IMG/cpio/ventoy/hook/debian/ubuntu-disk.sh

@@ -1,52 +0,0 @@
-#!/ventoy/busybox/sh
-
-. /ventoy/hook/ventoy-hook-lib.sh
-
-vtlog "####### $0 $* ########"
-
-VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
-
-wait_for_usb_disk_ready
-
-vtdiskname=$(get_ventoy_disk_name)
-if [ "$vtdiskname" = "unknown" ]; then
-    vtlog "ventoy disk not found"
-    PATH=$VTPATH_OLD
-    exit 0
-fi
-
-ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2"
-
-mkdir -p /ventoy/mnt/iso /ventoy/mnt/sfs
-
-vtDM=$(dmsetup info ventoy | grep minor | sed 's/.*\([0-9][0-9]*\)/\1/')
-
-vtlog "mount -o ro -t iso9660 /dev/dm-${vtDM} /ventoy/mnt/iso"
-mount -o ro -t iso9660 /dev/dm-${vtDM} /ventoy/mnt/iso 
-
-mount /ventoy/mnt/iso/casper/minimal.standard.live.squashfs /ventoy/mnt/sfs
-
-mount --bind /ventoy/mnt/sfs/usr/lib/modules /lib/modules
-
-ventoy_load_iso_part_fs_ko
-
-umount /lib/modules
-umount /ventoy/mnt/sfs
-umount /ventoy/mnt/iso
-
-
-ventoy_remove_all_dm
-
-if ventoy_mount_iso "${vtdiskname}"; then
-    vtlog "direcly mount iso partition SUCCESS"
-else
-    vtlog "direcly mount iso partition FAILED, keep use DM"
-    ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2"
-fi
-
-
-if [ -f /ventoy/autoinstall ]; then
-    sh /ventoy/hook/default/auto_install_varexp.sh  /ventoy/autoinstall
-fi
-
-set_ventoy_hook_finish

IMG/cpio/ventoy/hook/debian/ubuntu-hook.sh

@@ -1,35 +0,0 @@
-#!/ventoy/busybox/sh
-
-echo "Here before mountroot ..." >> $VTLOG
-    
-$SED  "/^mountroot$/i\\$BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/ubuntu-disk.sh"  -i /init
-$SED  "/^mountroot$/i\\maybe_break bottom"  -i /init
-
-#workaround for issue #3718
-if [ -f $VTOY_PATH/ventoy_persistent_map -a -f /scripts/casper-helpers ]; then
-    echo 'fix casper cow udev issue' >> $VTLOG
-    if $GREP -q '^find_cow_device\(\).*{' /scripts/casper-helpers; then
-        VTINS_LINE=$($GREP -n '^find_cow_device\(\).*{' /scripts/casper-helpers | $AWK -F':' '{print $1}')
-        $AWK "NR < $VTINS_LINE"  /scripts/casper-helpers  >  /ventoy/casper-helpers-tmp
-        $CAT $VTOY_PATH/hook/debian/casper-perst-wa.sh    >> /ventoy/casper-helpers-tmp
-        $AWK "NR > $VTINS_LINE" /scripts/casper-helpers   >> /ventoy/casper-helpers-tmp
-        $CAT /ventoy/casper-helpers-tmp > /scripts/casper-helpers
-    fi
-fi
-
-
-if [ -f $VTOY_PATH/autoinstall ]; then
-    echo "Do auto install ..." >> $VTLOG
-    
-    if $GREP -q '^autoinstall:' $VTOY_PATH/autoinstall; then
-        echo "cloud-init auto install ..." >> $VTLOG
-        if $GREP -q "maybe_break init" /init; then
-            $SED "/maybe_break init/i $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/ventoy-cloud-init.sh \$rootmnt"  -i /init
-        fi
-    else
-        if $GREP -q "^mount /proc$" /init; then
-            $SED "/^mount \/proc/a export file=$VTOY_PATH/autoinstall; export auto='true'; export priority='critical'"  -i /init
-        fi
-    fi
-fi
-

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

@@ -60,16 +60,7 @@ ventoy_get_debian_distro() {
         fi
         if $GREP -q 'NAME="Kylin"' /etc/os-release; then
             echo 'kylin'; return
-        fi
-        
-        if $GREP -q 'ID=ubuntu' /etc/os-release; then
-            if $GREP -q 'VERSION_ID=\"2[4-9]\.' /etc/os-release; then
-                echo 'ubuntu'; return
-            fi
-            if $GREP -q 'VERSION_ID=\"3[0-9]\.' /etc/os-release; then
-                echo 'ubuntu'; return
-            fi
-        fi
+        fi        
     fi
 
     if $GREP -q 'slax/' /proc/cmdline; then