Address PR review comments

- Remove inline comments from wrapper script heredoc
- Fix env verification to parse lines instead of unsafe shell-loading
- Add standard access URL format to completion block

Author: Gabriel Baker

ct/nebula-sync.sh

@@ -50,7 +50,8 @@ description
 
 msg_ok "Completed successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
-echo -e "${INFO}${YW} Nebula-Sync runs as a service and will sync your Pi-hole instances.${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}${CL}"
 echo -e "${INFO}${YW} Configuration:${CL}"
 echo -e "${TAB}${GATEWAY}${BGN}/opt/nebula-sync/.env${CL}"
 echo -e "${INFO}${YW} View logs:${CL}"

install/nebula-sync-install.sh

@@ -194,9 +194,7 @@ BINARY="/opt/nebula-sync/nebula-sync"
 # Load environment variables from .env file
 if [[ -f "$ENV_FILE" ]]; then
   while IFS= read -r line || [[ -n "$line" ]]; do
-    # Skip empty lines and comments
     [[ -z "$line" || "$line" =~ ^[[:space:]]*# ]] && continue
-    # Only process lines that look like KEY=VALUE
     if [[ "$line" =~ ^[A-Z_][A-Z0-9_]*= ]]; then
       key="${line%%=*}"
       value="${line#*=}"
@@ -205,7 +203,6 @@ if [[ -f "$ENV_FILE" ]]; then
   done < "$ENV_FILE"
 fi
 
-# Execute nebula-sync
 exec "$BINARY" run
 EOFWRAPPER
 chmod +x "${INSTALL_PATH}/nebula-sync-wrapper.sh"
@@ -233,18 +230,12 @@ EOF
 
 msg_info "Verifying service configuration"
 if [[ -f "$ENV_PATH" ]]; then
-  set +u
-  set -a
-  source "$ENV_PATH" 2>/dev/null || true
-  set +a
-  if [[ -z "${PRIMARY:-}" ]] || [[ -z "${REPLICAS:-}" ]]; then
-    msg_warn "Environment variables not loading correctly from $ENV_PATH"
-    msg_info "File contents:"
-    head -5 "$ENV_PATH"
-  else
+  if grep -q "^PRIMARY=" "$ENV_PATH" && grep -q "^REPLICAS=" "$ENV_PATH"; then
     msg_ok "Environment variables verified"
+  else
+    msg_error "Required environment variables (PRIMARY, REPLICAS) not found in $ENV_PATH"
+    exit 1
   fi
-  set -u
 else
   msg_error ".env file not found at $ENV_PATH"
   exit 1