Support Eset SysRescue image file. (#1162)

IMG/cpio/ventoy/loop/esysrescue/ventoy-disk.sh

+#!/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
+
+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 "${vtdiskname#/dev/}2" "noreplace"
+
+ventoy_create_dev_ventoy_part
+
+ln -s "../../ventoy1" /dev/disk/by-label/ESYSRESCUE
+
+PATH=$VTPATH_OLD
+
+set_ventoy_hook_finish

IMG/cpio/ventoy/loop/esysrescue/ventoy-hook.sh

+#!/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/>.
+# 
+#************************************************************************************
+
+. $VTOY_PATH/hook/ventoy-os-lib.sh
+
+$SED "/maybe_break premount/i\ $BUSYBOX_PATH/sh $VTOY_PATH/loop/esysrescue/ventoy-disk.sh" -i /init
+
+if [ -f /scripts/casper-bottom/09format_esr_data_partition ]; then
+    $SED '/mkfs.vfat.*edev.3/icp -a /dev/dm-3 /dev/ventoy3' -i /scripts/casper-bottom/09format_esr_data_partition
+fi

INSTALL/grub/grub.cfg

@@ -1691,6 +1691,23 @@ function ventoy_img_recalbox {
     vt_unset_boot_opt
 }
 
+function ventoy_img_esysrescue {
+    vt_load_cpio  $vtoy_path  "${vt_chosen_path}" ${vtoy_iso_part} "busybox=$ventoy_busybox_ver"
+    vt_trailer_cpio ${vtoy_iso_part} "${vt_chosen_path}" noinit
+
+    ventoy_debug_pause
+
+    #boot image file
+    vt_set_boot_opt rdinit=/vtoy/vtoy ventoyos=esysrescue
+    vt_img_hook_root
+
+    set root=(vtimghd,1)
+    configfile (vtimghd,1)/boot/grub/grub.cfg
+
+    vt_img_unhook_root
+    vt_unset_boot_opt
+}
+
 function ventoy_img_batocera {
     vt_load_cpio  $vtoy_path  "${vt_chosen_path}" ${vtoy_iso_part} "busybox=$ventoy_busybox_ver"
     vt_trailer_cpio ${vtoy_iso_part} "${vt_chosen_path}" noinit
@@ -1943,6 +1960,8 @@ function img_common_menuentry {
         ventoy_img_tails
     elif [ "$vtImgHd2Label" = "RECALBOX" ]; then
         ventoy_img_recalbox
+    elif [ "$vtImgHd1Label" = "ESYSRESCUE" ]; then
+        ventoy_img_esysrescue
     elif [ -e (vtimghd,1)/easy.sfs ]; then
         ventoy_img_easyos
     elif [ -e (vtimghd,1)/volumio.initrd ]; then