Add a license checking script and add missing headers

Signed-off-by: Gary Brown <gary@brownuk.com>

Makefile

@@ -12,6 +12,7 @@ test: build-node
 	npm run flow
 	npm run lint
 	npm run test-all
+	npm run check-license
 
 .PHONY: build-node
 build-node: node_modules

entrypoint.js

@@ -1,3 +1,15 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// 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.
+
 module.exports = {
     initTracer: require('./dist/src/configuration.js').default.initTracer,
 

package.json

@@ -54,8 +54,7 @@
     "underscore": "^1.8.3"
   },
   "scripts": {
-    "add-license": "./node_modules/.bin/uber-licence",
-    "check-license": "./node_modules/.bin/uber-licence --dry",
+    "check-license": "scripts/checkLicense.sh",
     "check-ls": "npm ls --loglevel=http --parseable 1>/dev/null && echo '# npm is in a good state'",
     "cover": "babel-node ./node_modules/.bin/babel-istanbul cover ./node_modules/.bin/_mocha -- test/ test/samplers/ test/baggage/",
     "coveralls": "npm run cover && cat ./coverage/lcov.info | coveralls",

scripts/checkLicense.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+LICENSE="Licensed under the Apache License"
+
+results=`grep -L -r --include \*.js --exclude-dir node_modules --exclude-dir dist "$LICENSE" ./`
+if [ ${#results} -eq 0 ]; then
+	echo "No missing headers"
+else
+	echo "License headers are required in the following files:"
+	echo "$results"
+	exit 1
+fi

src/index.js

@@ -1,3 +1,15 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// 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.
+
 import Configuration from './configuration';
 
 module.exports = {

test/lib/combinations.js

@@ -1,4 +1,14 @@
-
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// 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.
 
 /**
  * Example: