use headers on templates (paritytech#12546)

.maintain/frame-weight-template.hbs

@@ -1,20 +1,4 @@
-// This file is part of Substrate.
-
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
-// SPDX-License-Identifier: Apache-2.0
-
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+{{header}}
 //! Autogenerated weights for {{pallet}}
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION {{version}}

scripts/run_all_benchmarks.sh

@@ -121,6 +121,7 @@ for PALLET in "${PALLETS[@]}"; do
     --wasm-execution=compiled \
     --heap-pages=4096 \
     --output="$WEIGHT_FILE" \
+    --header="./HEADER-APACHE2" \
     --template=./.maintain/frame-weight-template.hbs 2>&1
   )
   if [ $? -ne 0 ]; then
@@ -137,6 +138,7 @@ OUTPUT=$(
   --execution=wasm \
   --wasm-execution=compiled \
   --weight-path="./frame/support/src/weights/" \
+  --header="./HEADER-APACHE2" \
   --warmup=10 \
   --repeat=100 2>&1
 )