Add new iso support

IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh

@@ -0,0 +1,35 @@
+#!/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 ! [ -e /dev/mapper/ventoy ]; then
+    vtlog "link to /dev/mapper/ventoy"
+    ln -s /dev/dm-0 /dev/mapper/ventoy
+fi
+
+VTLABEL=$($BUSYBOX_PATH/blkid /dev/dm-0 | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
+vtlog "VTLABEL=$VTLABEL"
+
+if [ -n "$VTLABEL" ]; then
+    if ! [ -e "/dev/disk/by-label/$VTLABEL" ]; then
+        vtlog "link to /dev/disk/by-label/$VTLABEL"
+        ln -s /dev/dm-0 "/dev/disk/by-label/$VTLABEL"
+    fi
+fi