Add check-license target

Makefile

@@ -23,7 +23,14 @@ test: ## Run unit tests
 vet: ## Run go vet
 	@go vet $(addprefix ./, $(SOURCE_DIRS))
 
-check: fmtcheck vet lint build test ## Pre-flight checks before creating PR
+tidy: ## Tidy go dependencies
+	@go mod tidy
+
+check-license: $(SOURCES)
+	@./hack/check-license.sh "$(SOURCES)"
+
+check: tidy fmtcheck vet lint build test check-license ## Pre-flight checks before creating PR
+	@git diff --exit-code
 
 clean: ## Clean up your working environment
 	@rm -f coverage-all.out coverage.out

hack/check-license.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+echo "Checking for license header..."
+allfiles=$1
+licRes=""
+for file in $allfiles; do
+  if ! head -n3 "${file}" | grep -Eq "(Copyright|generated|GENERATED|Licensed)" ; then
+    licRes="${licRes}\n"$(echo -e "  ${file}")
+  fi
+done
+if [ -n "${licRes}" ]; then
+  echo -e "license header checking failed:\n${licRes}"
+  exit 255
+fi

handler/enqueue_annotation.go

@@ -1,4 +1,4 @@
-// Copyright 2019 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

leader/doc.go

@@ -1,4 +1,4 @@
-// Copyright 2018 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

leader/leader.go

@@ -1,4 +1,4 @@
-// Copyright 2018 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

leader/leader_suite_test.go

@@ -1,3 +1,17 @@
+// Copyright 2020 The Operator-SDK Authors
+//
+// 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.
+
 package leader
 
 import (

leader/leader_test.go

@@ -1,3 +1,17 @@
+// Copyright 2020 The Operator-SDK Authors
+//
+// 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.
+
 package leader
 
 import (

predicate/dependent.go

@@ -1,4 +1,4 @@
-// Copyright 2019 The Operator-SDK Authors
+// Copyright 2020 The Operator-SDK Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

predicate/dependent_test.go

@@ -1,3 +1,17 @@
+// Copyright 2018 The Operator-SDK Authors
+//
+// 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.
+
 package predicate
 
 import (