fix same size detection

home.admin/config.scripts/blitz.datadrive.sh

@@ -20,15 +20,15 @@ sudo apt-get install -y btrfs-tools
 
 
 # detect the two usb drives
-echo "Detecting two USB sticks with same size ..."
+echo "Detecting two USB sticks/drives with same size ..."
 dev1=""
 dev2=""
-lsblk -o NAME | grep "^sd" | grep -v "sda" | while read -r test1 ; do
+lsblk -o NAME | grep "^sd" | while read -r test1 ; do
     size1=$(lsblk -o NAME,SIZE -b | grep "^${test1}")
-    echo "Checking : ${test1} -> ${size1}"
-    lsblk -o NAME | grep "^sd" | grep -v "sda" | while read -r test2 ; do
+    echo "Checking : ${test1} size(${size1})"
+    lsblk -o NAME | grep "^sd" | grep -v "${test1}" | while read -r test2 ; do
       size2=$(lsblk -o NAME,SIZE -b | grep "^${test2}")
-      echo "  compare with ${test2} -> ${size2}"
+      echo "  compare ${test2} size(${size2})"
       if [ "${size1}" = "${size2}" ]; then
         echo "  MATCH ${test1} = ${test2}"
         # remember last match