edit function set_editor for syntax-highlighting in nano

scripts/image-builder.sh

@@ -155,7 +155,25 @@ set_editor() {
         whiptail --msgbox "Installation von ${editor_pkg[$choice]}..." 8 50
         sudo apt update
         sudo apt install -y "${editor_pkg[$choice]}"
+
         if command -v "$choice" >/dev/null 2>&1; then
+          # Speziell für nano: Syntax-Highlighting installieren
+          if [[ "$choice" == "nano" ]]; then
+            NANO_DIR="$HOME/.nano"
+            NANORC="$HOME/.nanorc"
+            if [[ -d "$NANO_DIR/.git" ]]; then
+              git -C "$NANO_DIR" pull --quiet
+            else
+              git clone https://github.com/scopatz/nanorc.git "$NANO_DIR"
+            fi
+            if ! grep -q "include $NANO_DIR" "$NANORC" 2>/dev/null; then
+              {
+                echo "## nano syntax highlighting"
+                echo "include $NANO_DIR/*.nanorc"
+              } >> "$NANORC"
+            fi
+          fi
+
           whiptail --msgbox "$choice erfolgreich installiert." 8 50
           jq --arg ed "$choice" '.editor = $ed' "$GLOBAL_CONFIG" >"$GLOBAL_CONFIG.tmp" && mv "$GLOBAL_CONFIG.tmp" "$GLOBAL_CONFIG"
           return
@@ -167,6 +185,7 @@ set_editor() {
   done
 }
 
+
 # ===============================
 # Projektverwaltung
 # ===============================