Update build_dist

Replace CustomPiOS launcher with upstream arch-fix version 
guysoft/CustomPiOS#261

Author: MayorBug

src/build_dist

@@ -110,4 +110,21 @@ if "function minimize_ext" in text:
 PY
 fi
 
+# Replace CustomPiOS launcher with upstream arch-fix version 
+CUSTOMPIOS_SCRIPT="${CUSTOM_PI_OS_ROOT}/src/custompios"
+CUSTOMPIOS_OVERRIDE_URL=${CUSTOMPIOS_OVERRIDE_URL:-"https://raw.githubusercontent.com/jxmx/CustomPiOS/upstream_archfixes/src/custompios"}
+if [ -f "${CUSTOMPIOS_SCRIPT}" ] && [ -n "${CUSTOMPIOS_OVERRIDE_URL}" ]; then
+  TMP_CUSTOMPIOS="$(mktemp)"
+  if command -v curl >/dev/null 2>&1; then
+    curl -fsSL "${CUSTOMPIOS_OVERRIDE_URL}" -o "${TMP_CUSTOMPIOS}" || true
+  else
+    wget -qO "${TMP_CUSTOMPIOS}" "${CUSTOMPIOS_OVERRIDE_URL}" || true
+  fi
+  if [ -s "${TMP_CUSTOMPIOS}" ]; then
+    cp "${TMP_CUSTOMPIOS}" "${CUSTOMPIOS_SCRIPT}"
+    chmod +x "${CUSTOMPIOS_SCRIPT}"
+  fi
+  rm -f "${TMP_CUSTOMPIOS}"
+fi
+
 "${CUSTOM_PI_OS_PATH}"/build_custom_os "$@"