Code optimization

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

@@ -150,3 +150,19 @@ fi
 if [ -f $VTOY_PATH/autoinstall ]; then
     cp -a $VTOY_PATH/hook/rhel7/ventoy-autoexp.sh /lib/dracut/hooks/pre-mount/99-ventoy-autoexp.sh
 fi
+
+
+#special distro magic
+$BUSYBOX_PATH/mkdir -p $VTOY_PATH/distmagic
+if $GREP -q SCRE /proc/cmdline; then
+    echo 1 > $VTOY_PATH/distmagic/SCRE
+fi
+
+if $GREP -qw 'SA[.]1' /proc/cmdline; then
+if $GREP -qw 'SA[.]2' /proc/cmdline; then
+if $GREP -qw 'rw'     /proc/cmdline; then
+    echo 1 > $VTOY_PATH/distmagic/DELL_PER
+fi
+fi
+fi
+

IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh

@@ -50,18 +50,9 @@ if is_inotify_ventoy_part $3; then
         vtScript=$($GREP -m1 'RUN.=' $vtGenRulFile | $AWK -F'RUN.=' '{print $2}' | $SED 's/"\(.*\)".*/\1/')
         vtlog "vtScript=$vtScript"
         
-        DELL_PER=''
-        if [ -f /etc/services ]; then
-            if grep -qiw DTK /etc/services; then
-                if grep -qiw Dell /etc/services; then
-                    DELL_PER='YES'
-                fi
-            fi
-        fi
-        
-        if $GREP -q SCRE /proc/cmdline; then
+        if [ -f $VTOY_PATH/distmagic/SCRE ]; then
             /sbin/dmsquash-live-root /dev/ventoy
-        elif [ "$DELL_PER" = "YES" ]; then
+        elif [ -f $VTOY_PATH/distmagic/DELL_PER ]; then
             sed 's/liverw=[^ ]*/liverw=ro/g' -i /sbin/dmsquash-live-root
             sed 's/writable_fsimg=[^ ]*/writable_fsimg=""/g' -i /sbin/dmsquash-live-root
             /sbin/dmsquash-live-root /dev/ventoy

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

@@ -26,7 +26,9 @@ fi
 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})
 
-if ! [ -e /dev/mapper/ventoy ]; then
+if [ -e /dev/mapper/ventoy ]; then
+    vtlog "/dev/mapper/ventoy already exist"
+else
     vtlog "link /dev/$vtDM to /dev/mapper/ventoy"
     ln -s /dev/$vtDM /dev/mapper/ventoy
 fi
@@ -35,7 +37,13 @@ VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 vtlog "VTLABEL=$VTLABEL"
 
 if [ -n "$VTLABEL" ]; then
-    if ! [ -e "/dev/disk/by-label/$VTLABEL" ]; then
+    if ! [ -d /dev/disk/by-label ]; then
+        mkdir -p /dev/disk/by-label
+    fi
+
+    if [ -e "/dev/disk/by-label/$VTLABEL" ]; then
+        vtlog "/dev/disk/by-label/$VTLABEL already exist"
+    else
         vtlog "link /dev/$vtDM to /dev/disk/by-label/$VTLABEL"
         ln -s /dev/$vtDM "/dev/disk/by-label/$VTLABEL"
     fi

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

@@ -892,3 +892,17 @@ ventoy_check_umount() {
         fi
     done
 }
+
+ventoy_wait_dir() {
+    vtdir=$1
+    vtsec=0
+    
+    while [ $vtsec -lt $2 ]; do
+        if [ -d "$vtdir" ]; then
+            break
+        else
+            $SLEEP 1
+            vtsec=$(expr $vtsec + 1)
+        fi
+    done
+}