Fix configuration detection in update mode

- Skip Transmission configuration prompt when updating an existing installation
- Automatically detect remote/local setting from existing config
- Properly export update-related variables to environment file
- Fix indentation issues in conditional statements

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

install-script.sh

@@ -1197,14 +1197,37 @@ fi
 # Launch the main installer
 echo -e "${GREEN}Launching main installer...${NC}"
 
-# Ask about remote Transmission before launching main installer
+# Skip Transmission configuration if we're in update mode
-# This ensures the TRANSMISSION_REMOTE variable is set correctly
+if [ "$IS_UPDATE" = "true" ] && [ -n "$EXISTING_CONFIG_PATH" ]; then
-echo -e "${BOLD}Transmission Configuration:${NC}"
+  echo -e "${GREEN}Existing configuration detected, skipping Transmission configuration...${NC}"
-echo -e "Configure connection to your Transmission client:"
-echo
   
-# If stdin is not a terminal (pipe or redirect), read from stdin
+  # Extract Transmission remote setting from existing config
-if [ ! -t 0 ]; then
+  if [ -f "$EXISTING_CONFIG_PATH" ]; then
+    # Try to extract remoteConfig.isRemote value from config.json
+    if command -v grep &> /dev/null && command -v sed &> /dev/null; then
+      IS_REMOTE=$(grep -o '"isRemote":[^,}]*' "$EXISTING_CONFIG_PATH" | sed 's/"isRemote"://; s/[[:space:]]//g')
+      if [ "$IS_REMOTE" = "true" ]; then
+        export TRANSMISSION_REMOTE=true
+        echo -e "${GREEN}Using existing remote Transmission configuration.${NC}"
+      else
+        export TRANSMISSION_REMOTE=false
+        echo -e "${GREEN}Using existing local Transmission configuration.${NC}"
+      fi
+    else
+      # Default to false if we can't extract it
+      export TRANSMISSION_REMOTE=false
+      echo -e "${YELLOW}Could not determine Transmission remote setting, using local configuration.${NC}"
+    fi
+  fi
+else
+  # Ask about remote Transmission before launching main installer
+  # This ensures the TRANSMISSION_REMOTE variable is set correctly
+  echo -e "${BOLD}Transmission Configuration:${NC}"
+  echo -e "Configure connection to your Transmission client:"
+  echo
+
+  # If stdin is not a terminal (pipe or redirect), read from stdin
+  if [ ! -t 0 ]; then
   # Save all input to a temporary file
   INPUT_FILE=$(mktemp)
   cat > "$INPUT_FILE"
@@ -1227,10 +1250,11 @@ if [ "$input_remote" = "y" ] || [ "$input_remote" = "Y" ]; then
 else
     export TRANSMISSION_REMOTE=false
     echo -e "${GREEN}Local Transmission selected.${NC}"
+  fi
 fi
 
-# If remote mode is selected, collect remote details here and pass to main installer
+# If remote mode is selected and not an update, collect remote details here and pass to main installer
-if [ "$TRANSMISSION_REMOTE" = "true" ]; then
+if [ "$TRANSMISSION_REMOTE" = "true" ] && [ "$IS_UPDATE" != "true" ]; then
   # Get remote transmission details
   if [ ! -t 0 ]; then
     # Non-interactive mode - we already have input saved to INPUT_FILE
@@ -1312,6 +1336,13 @@ chmod +x "${SCRIPT_DIR}/.env.install"
 # Ensure the environment file is world-readable to avoid permission issues
 chmod 644 "${SCRIPT_DIR}/.env.install"
 
+# If we're in update mode, add the existing installation path to the environment file
+if [ "$IS_UPDATE" = "true" ] && [ -n "$EXISTING_CONFIG_PATH" ]; then
+  echo "export EXISTING_CONFIG_PATH=\"$EXISTING_CONFIG_PATH\"" >> "${SCRIPT_DIR}/.env.install"
+  echo "export EXISTING_INSTALL_DIR=\"$EXISTING_INSTALL_DIR\"" >> "${SCRIPT_DIR}/.env.install"
+  echo "export IS_UPDATE=true" >> "${SCRIPT_DIR}/.env.install"
+fi
+
 # Force inclusion in the main installer - modify the main installer temporarily if needed
 if ! grep -q "source.*\.env\.install" "${SCRIPT_DIR}/main-installer.sh"; then
   # Backup the main installer