build - Preparing spotless license header option and adding license templates (#7015)

Preparing spotless license header option and adding license templates

Signed-off-by: Usman Saleem <usman@usmans.info>

build.gradle

@@ -207,6 +207,12 @@ allprojects {
       importOrder 'org.hyperledger', 'java', ''
       trimTrailingWhitespace()
       endWithNewline()
+      // apply appropriate license header files.
+      // TODO: Remove checkSpdxLicense task and buildSrc when all files are formatted and updated via multiple PRs
+      // TODO: Uncomment following when all files are formatted and updated via multiple PRs
+      // licenseHeaderFile("${rootDir}/gradle/spotless/java.former.license").named("older").onlyIfContentMatches("^/\\*\\r?\\n.*Copyright ConsenSys AG\\.")
+      licenseHeaderFile("${rootDir}/gradle/spotless/java.former.date.license").named("older.year").onlyIfContentMatches("^/\\*\\r?\\n.* Copyright \\d{4} ConsenSys AG\\.")
+      // licenseHeaderFile("${rootDir}/gradle/spotless/java.current.license").named("current").onlyIfContentMatches("^(?!/\\*\\r?\\n \\*.*ConsenSys AG\\.)")
     }
     groovyGradle {
       target '*.gradle'

ethereum/evmtool/src/main/java/org/hyperledger/besu/evmtool/exception/UnsupportedForkException.java

@@ -11,7 +11,6 @@
  * specific language governing permissions and limitations under the License.
  *
  * SPDX-License-Identifier: Apache-2.0
- *
  */
 package org.hyperledger.besu.evmtool.exception;
 

gradle/spotless/java.current.license

@@ -0,0 +1,14 @@
+/*
+ * Copyright contributors to Hyperledger Besu.
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */

gradle/spotless/java.former.date.license

@@ -0,0 +1,14 @@
+/*
+ * Copyright $YEAR ConsenSys AG.
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */

gradle/spotless/java.former.license

@@ -0,0 +1,14 @@
+/*
+ * Copyright ConsenSys AG.
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */