From 1b56b7d7be8dd18e677b01c00571718ed027f916 Mon Sep 17 00:00:00 2001
From: kx1t <kx1t@amsat.org>
Date: Wed, 22 Mar 2023 18:46:24 +0100
Subject: [PATCH] support both `READSB_LAT/LON/ALT` and `LAT/LONG/ALT`

---
 rootfs/etc/services.d/mlat-client/run | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/rootfs/etc/services.d/mlat-client/run b/rootfs/etc/services.d/mlat-client/run
index c8ad48e..b7a7a8a 100644
--- a/rootfs/etc/services.d/mlat-client/run
+++ b/rootfs/etc/services.d/mlat-client/run
@@ -64,9 +64,25 @@ do
     MLAT_PARAM=(--input-type "${MLAT_INPUT_TYPE}")
     MLAT_PARAM+=(--input-connect localhost:30005)
     MLAT_PARAM+=(--server "${params[0]}:${params[1]}")
-    MLAT_PARAM+=(--lat "${READSB_LAT}")
-    MLAT_PARAM+=(--lon "${READSB_LON}")
-    MLAT_PARAM+=(--alt "${READSB_ALT}")
+
+    if [ -n "${LAT}" ]; then
+        MLAT_PARAM+=(--lat "${LAT}")
+    elif [ -n "${READSB_LAT}" ]; then
+        MLAT_PARAM+=(--lat "${READSB_LAT}")
+    fi
+
+    if [ -n "${LONG}" ]; then
+        MLAT_PARAM+=(--lon "${LONG}")
+    elif [ -n "${READSB_LON}" ]; then
+        MLAT_PARAM+=(--lon "${READSB_LON}")
+    fi
+
+    if [ -n "${ALT}" ]; then
+        MLAT_PARAM+=(--alt "${ALT}")
+    elif [ -n "${READSB_ALT}" ]; then
+        MLAT_PARAM+=(--alt "${READSB_ALT}")
+    fi
+
     # [[ -n "${UUID}" ]] && MLAT_PARAM+=(--user "${UUID}") || MLAT_PARAM+=(--user "${MLAT_USER}")
     [[ -n "${MLAT_USER}" ]] && MLAT_PARAM+=(--user "${MLAT_USER}") || MLAT_PARAM+=(--user "${UUID}")
     [[ -n "${params[2]}" ]] && MLAT_PARAM+=("--results beast,listen,${params[2]}") || true