Adding notes for boot from HD

seqs/debianrpi.sh

@@ -86,9 +86,7 @@ step_2() {
   fi
   read_sd_dev "$SDDEV"
   # check if device was confirmed
-  if [ $? -ne 0 ] ; then
-    endReturn -o 1 "SD card device not found"
-  fi
+  endReturn -o $? "SD card device not found"
 
   echoseq " [I] Writing $(basename "$toolDownFile")"
   exep "xzcat \"$toolDownFile\" | dd of=$SDDEV bs=64k oflag=dsync status=progress"
@@ -172,6 +170,33 @@ step_13() {
 }
 hostsLoc="/etc/hosts"
 
+step_40_info() { echo "Boot from HD notes"; }
+step_40_alias() { ALIAS="hdboot"; }
+step_40() {
+  outColor green
+  cat <<HDBOOT_EOF
+[I] Raspberry pi 4 boots from USB automatically if there is no SD available
+    (needs boot loader version September 3rd)
+
+[I] Adding a swap partition
+
+* [RASPIROOTSSD/etc/fstab]
+  LABEL=RASPISWAP    none swap sw 0 3
+* Debian enables a swap partition automatically
+  because by default there is no swap file
+
+[I] Procedure for raspi 3 is similar to the one for raspbian
+    (boot on SD and root on SSD)
+
+* Clone RAPSIROOT from SD to SSD
+  rsync -axHAX RASPIROOT/ RASPIROOTSSD/
+* [/boot/firmware/cmdline.txt]
+  root=LABEL=RASPIROOTSSD
+* [RASPIROOTSSD/etc/fstab]
+  LABEL=RASPIROOTSSD / ...
+
+HDBOOT_EOF
+}
 
 read_sd_dev() {
   local partExt=""