its now possible to set rearm vehicles in the editor && pylons now look also for non-config rearm vehicles

addons/rearm/functions/fnc_isSource.sqf

@@ -0,0 +1,28 @@
+#include "script_component.hpp"
+/*
+ * Author: shukari
+ * Returns if vehicle or object is a rearm source.
+ *
+ * Arguments:
+ * 0: target <OBJECT>
+ * 1: check for vanilla rearm vehicle <BOOL> (default: false)
+ *
+ * Return Value:
+ * None
+ *
+ * Example:
+ * [cursorObject] call ace_rearm_fnc_isSource
+ *
+ * Public: Yes
+ */
+params [
+        ["_target", objNull, [objNull]],
+        ["_testVanillaRearm", false, [false]]
+    ];
+
+private _vehCfg = configFile >> "CfgVehicles" >> typeOf _target;
+private _vanillaCargoConfig = getNumber (_vehCfg >> "transportAmmo");
+private _rearmCargoConfig = getNumber (_vehCfg >> QGVAR(defaultSupply));
+private _supplyVehicle = _target getVariable [QGVAR(isSupplyVehicle), false];
+
+_rearmCargoConfig > 0 || {_supplyVehicle} || {_testVanillaRearm && _vanillaCargoConfig > 0}