v2.26.4: fix Environment Configurator crash when .env variable missing (#191)

read_env_var() grep pipeline failed under set -euo pipefail when .env
existed but didn't contain the requested key. grep returned 1 (no match),
pipefail propagated it, and set -e killed the script.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 All notable changes to iNTERCEPT will be documented in this file.
 
+## [2.26.4] - 2026-03-14
+
+### Fixed
+- **Environment Configurator crash** — `read_env_var()` crashed with "Setup failed at line 2333" when `.env` existed but didn't contain the variable being looked up. `grep` returned exit code 1 (no match), which `pipefail` propagated and `set -e` turned into a fatal error. Fixed by appending `|| true` to the pipeline. (#191)
+
+---
+
 ## [2.26.3] - 2026-03-13
 
 ### Fixed

config.py

@@ -7,10 +7,17 @@ import os
 import sys
 
 # Application version
-VERSION = "2.26.3"
+VERSION = "2.26.4"
 
 # Changelog - latest release notes (shown on welcome screen)
 CHANGELOG = [
+    {
+        "version": "2.26.4",
+        "date": "March 2026",
+        "highlights": [
+            "Fix Environment Configurator crash when .env exists but variable is missing",
+        ]
+    },
     {
         "version": "2.26.3",
         "date": "March 2026",

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "intercept"
-version = "2.26.3"
+version = "2.26.4"
 description = "Signal Intelligence Platform - Pager/433MHz/ADS-B/Satellite/WiFi/Bluetooth"
 readme = "README.md"
 requires-python = ">=3.9"

setup.sh

@@ -174,7 +174,7 @@ read_env_var() {
   local fallback="${2:-}"
   if [[ -f "$SCRIPT_DIR/.env" ]]; then
     local val
-    val=$(grep -E "^${key}=" "$SCRIPT_DIR/.env" 2>/dev/null | tail -1 | cut -d'=' -f2-)
+    val=$(grep -E "^${key}=" "$SCRIPT_DIR/.env" 2>/dev/null | tail -1 | cut -d'=' -f2- || true)
     if [[ -n "$val" ]]; then
       # Strip surrounding quotes
       val="${val#\"}"