Improved the SSH error handling.

script/deploy.sh

@@ -117,11 +117,15 @@ setup_ssh() {
 
   echod "\n ➡️ Copying SSH key to target host '${TARGET_USER}@${LIVE_TARGET_IP}'..."
 
-  if cat "/home/${USER}/.ssh/known_hosts" | grep "${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"; then
-    echo -e "\n ⚠️ The SSH fingerprint for the selected IP address $(gum style --italic "\"${LIVE_TARGET_IP}\"") is not the same as the one in $(gum style --italic "\".ssh/known_hosts\"").
+  while true; do
+    if sshpass -p "${LIVE_TARGET_PASSWORD}" ssh-copy-id -o StrictHostKeyChecking=no -i "${TMP_EXTRA_PATH}/home/numbus-admin/.ssh/id_ed25519" "${TARGET_USER}@${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"; then
+      echod "\n ✅ SSH key copied successfully"
+      break
+    else
+      echo -e "\n ⚠️ The SSH fingerprint for the selected IP address $(gum style --italic "\"${LIVE_TARGET_IP}\"") is not the same as the one in $(gum style --italic "\".ssh/known_hosts\"").
 
   This could occur for multiple reasons :
-    - You ran the script multiple times and rebooted your live machine
+    - You ran this script multiple times
     - Your live machine uses an IP address that was used by another devices you SSHed in
     - You are under a Man-In-The-Middle attack
     - Other
@@ -129,16 +133,10 @@ setup_ssh() {
   The script $(gum style --bold "cannot continue") without the correct fingerprint installed.
   If you are unsure, it is always better to check manually.\n"
 
-    gum confirm "Remove the old fingerprint and accept the new one ?" || { echo -e "\n\n ❌ SSH fingerprints don't match."; exit 22; }
-    sed -i '/${LIVE_TARGET_IP}/d' "/home/${USER}/.ssh/known_hosts"
-  fi
-
-  if sshpass -p "${LIVE_TARGET_PASSWORD}" ssh-copy-id -o StrictHostKeyChecking=no -i "${TMP_EXTRA_PATH}/home/numbus-admin/.ssh/id_ed25519" "${TARGET_USER}@${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"; then
-    echod "\n ✅ SSH key copied successfully"
-  else
-    echo -e "\n ❌ Failed to copy SSH key. Please check the host IP and password."
-    exit 1
-  fi
+      gum confirm "Remove the old fingerprint and accept the new one ?" || { echo -e "\n\n ❌ SSH fingerprints don't match."; exit 22; }
+      sed -i "/${LIVE_TARGET_IP}/d" "/home/${USER}/.ssh/known_hosts"
+    fi
+  done
 }
 
 hardware_detection() {