Fix project source file headers

Author: mdedetrich

.github/workflows/headers.yml

@@ -0,0 +1,26 @@
+name: Headers
+
+on:
+  pull_request:
+
+permissions: {}
+
+jobs:
+  check-headers:
+    name: Check headers
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java 8
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 8
+
+      - name: Cache Coursier cache
+        uses: coursier/cache-action@v6.4.0
+
+      - name: Check headers
+        run: sbt +headerCheckAll

build.sbt

@@ -1,5 +1,4 @@
-lazy val `sbt-pull-request-validator` = (project in file("."))
-  .enablePlugins(AutomateHeaderPlugin)
+lazy val `sbt-pull-request-validator` = project in file(".")
 
 sbtPlugin := true
 enablePlugins(SbtPlugin)
@@ -13,7 +12,6 @@ organization := "com.github.sbt"
 homepage := Some(url("https://github.com/sbt/sbt-pull-request-validator"))
 licenses := Seq("Apache-2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0"))
 
-organizationName := "Hewlett Packard Enterprise"
 startYear := Some(2018)
 
 // https://mvnrepository.com/artifact/org.kohsuke/github-api

project/Header.scala

@@ -0,0 +1,30 @@
+import sbt._
+
+import de.heikoseeberger.sbtheader.HeaderPlugin
+import de.heikoseeberger.sbtheader.HeaderPlugin.{ autoImport => SbtHeaderKeys }
+
+object Header extends AutoPlugin {
+  override lazy val requires = plugins.JvmPlugin && HeaderPlugin
+  override lazy val trigger = allRequirements
+  import SbtHeaderKeys.{ HeaderFileType, HeaderCommentStyle, HeaderLicense }
+
+  override lazy val projectSettings = Seq(
+    SbtHeaderKeys.headerMappings ++= Map(
+      HeaderFileType.scala -> HeaderCommentStyle.cStyleBlockComment,
+      HeaderFileType.java -> HeaderCommentStyle.cStyleBlockComment
+    ),
+    SbtHeaderKeys.headerLicense := Some(
+      HeaderLicense.Custom(
+        """|Sbt Pull Request Validator
+           |Copyright Lightbend and Hewlett Packard Enterprise
+           |
+           |Licensed under Apache License 2.0
+           |SPDX-License-Identifier: Apache-2.0
+           |
+           |See the NOTICE file distributed with this work for
+           |additional information regarding copyright ownership.
+           |""".stripMargin
+      )
+    )
+  )
+}

project/plugins.sbt

@@ -1,6 +1,6 @@
 libraryDependencies += "org.scala-sbt" %% "scripted-plugin" % sbtVersion.value
 
 addSbtPlugin("com.github.sbt"    % "sbt-ci-release"     % "1.5.12")
-addSbtPlugin("de.heikoseeberger" % "sbt-header"         % "5.0.0")
+addSbtPlugin("de.heikoseeberger" % "sbt-header"         % "5.10.0")
 addSbtPlugin("org.scalameta"     % "sbt-scalafmt"       % "2.5.2")
 addSbtPlugin("com.github.sbt"    % "sbt-github-actions" % "0.22.0")

src/main/scala/com/github/sbt/pullrequestvalidator/ValidatePullRequest.scala

@@ -1,17 +1,12 @@
 /*
- * Copyright 2018 Hewlett Packard Enterprise
+ * Sbt Pull Request Validator
+ * Copyright Lightbend and Hewlett Packard Enterprise
  *
- * 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
+ * Licensed under Apache License 2.0
+ * SPDX-License-Identifier: Apache-2.0
  *
- *     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.
+ * See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
  */
 
 package com.github.sbt.pullrequestvalidator

src/main/scala/com/hpe/sbt/package.scala

@@ -1,3 +1,14 @@
+/*
+ * Sbt Pull Request Validator
+ * Copyright Lightbend and Hewlett Packard Enterprise
+ *
+ * Licensed under Apache License 2.0
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ */
+
 package com.hpe
 
 package object sbt {