Detect and run commands directly when already in a container

Author: yukinchan

scripts/pattern-util.sh

@@ -8,6 +8,27 @@ function version {
     echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'
 }
 
+function is_running_in_container {
+    # Check if we're running inside a podman container
+    # Podman creates /run/.containerenv in all containers (rootful and rootless)
+    if [ -f /run/.containerenv ]; then
+        return 0
+    fi
+    # Use systemd-detect-virt if available to detect container environment
+    if command -v systemd-detect-virt >/dev/null 2>&1; then
+        if systemd-detect-virt --container >/dev/null 2>&1; then
+            return 0
+        fi
+    fi
+    return 1
+}
+
+# If already running in a container, execute the command directly
+if is_running_in_container; then
+    echo "Detected running inside a container, executing command directly..."
+    exec "$@"
+fi
+
 if [ -z "$PATTERN_UTILITY_CONTAINER" ]; then
 	PATTERN_UTILITY_CONTAINER="quay.io/validatedpatterns/utility-container"
 fi