Add update menu for electrs v0.9.9 (#3402)

Add UPDATE - ELECTRS menu entry

Add update method to script with update to the latest release tag.

home.admin/99updateMenu.sh

@@ -476,6 +476,10 @@ if [ "${bos}" == "on" ]; then
   OPTIONS+=(BOS "Update Balance of Satoshis")
 fi
 
+if [ "${ElectRS}" == "on" ]; then
+  OPTIONS+=(ELECTRS "Update Electrs")
+fi
+
 if [ "${RTL}" == "on" ]||[ "${cRTL}" == "on" ]; then
   OPTIONS+=(RTL "Update RTL")
 fi
@@ -547,6 +551,9 @@ case $CHOICE in
   BOS)
     /home/admin/config.scripts/bonus.bos.sh update
     ;;
+  ELECTRS)
+    /home/admin/config.scripts/bonus.electrs.sh update
+    ;;    
   RTL)
     /home/admin/config.scripts/bonus.rtl.sh update
     ;;

home.admin/config.scripts/bonus.electrs.sh

@@ -10,7 +10,7 @@ if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
  echo "config script to switch the Electrum Rust Server on or off"
  echo "bonus.electrs.sh status -> dont call in loops"
  echo "bonus.electrs.sh status-sync"
- echo "bonus.electrs.sh [on|off|menu]"
+ echo "bonus.electrs.sh [on|off|menu|update]"
  echo "installs the version $ELECTRSVERSION"
  exit 1
 fi
@@ -510,5 +510,28 @@ if [ "$1" = "0" ] || [ "$1" = "off" ]; then
   exit 0
 fi
 
+if [ "$1" = "update" ]; then
+  echo "# Update Electrs"
+  cd /home/electrs/electrs || exit 1
+  sudo -u electrs git fetch
+
+  localVersion=$(git describe --tag)
+  updateVersion=$(curl -s https://api.github.com/repos/romanz/electrs/releases/latest|grep tag_name|head -1|cut -d '"' -f4)
+
+  if [ $localVersion = $updateVersion ]; then
+    echo "# Up-to-date on version $localVersion"
+  else
+    echo "# Pulling latest changes..."
+    sudo -u electrs git pull -p
+    echo "# Reset to the latest release tag: $updateVersion"
+    sudo -u electrs git reset --hard $updateVersion
+    echo "# Build Electrs ..."
+    sudo -u electrs /home/electrs/.cargo/bin/cargo build --locked --release || exit 1
+    echo "# Updated Electrs to $updateVersion"
+  fi
+  sudo systemctl start electrs
+  exit 0
+fi
+
 echo "# FAIL - Unknown Parameter $1"
 exit 1