update sbt version to 1.5.0, migrate to sonatype from bintray

.gitignore

@@ -1 +1,2 @@
+.bsp/
 target/

build.sbt

@@ -1,11 +1,56 @@
-sbtPlugin := true
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
 
-name := "sbt-antlr4"
+ThisBuild / organization := "com.simplytyped"
+ThisBuild / version := "0.8.3"
 
-organization := "com.simplytyped"
+lazy val root = (project in file("."))
+  .enablePlugins(SbtPlugin)
+  .settings(
+    name := "sbt-antlr4",
+    pluginCrossBuild / sbtVersion := {
+      scalaBinaryVersion.value match {
+        case "2.12" => "1.1.6"
+      }
+    }
+  )
 
-version := "0.8.3"
+ThisBuild / publishTo := {
+  val nexus = "https://s01.oss.sonatype.org/"
+  if (isSnapshot.value) Some("snapshots" at nexus + "content/repositories/snapshots")
+  else Some("releases" at nexus + "service/local/staging/deploy/maven2")
+}
+ThisBuild / publishMavenStyle := true
+ThisBuild / credentials += Credentials(Path.userHome / ".sbt" / "sonatype_credentials")
 
-bintrayOrganization := Some("simplytyped")
-
-licenses += ("Apache-2.0", url("https://www.apache.org/licenses/LICENSE-2.0"))
+ThisBuild / developers := List(
+  Developer(
+    id    = "ihji",
+    name  = "Heejong Lee",
+    email = "@heejongl",
+    url   = url("https://github.com/ihji")
+  )
+)
+ThisBuild / licenses := List("Apache 2" -> new URL("http://www.apache.org/licenses/LICENSE-2.0.txt"))
+ThisBuild / homepage := Some(url("https://github.com/ihji/sbt-antlr4"))
+ThisBuild / scmInfo := Some(
+  ScmInfo(
+    url("https://github.com/ihji/sbt-antlr4"),
+    "scm:git@github.com:ihji/sbt-antlr4.git"
+  )
+)

project/build.properties

@@ -1 +1 @@
-sbt.version=1.2.8
+sbt.version=1.5.0

project/pgp.sbt

@@ -0,0 +1 @@
+addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.1.2")

src/main/scala/com/simplytyped/Antlr4Plugin.scala

@@ -1,3 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 com.simplytyped
 
 import sbt._
@@ -23,13 +41,13 @@ object Antlr4Plugin extends AutoPlugin {
   private val antlr4BuildDependency = settingKey[ModuleID]("Build dependency required for parsing grammars, scoped to plugin")
 
   def antlr4GeneratorTask : Def.Initialize[Task[Seq[File]]] = Def.task {
-    val targetBaseDir = (javaSource in Antlr4).value
-    val classpath = (managedClasspath in Antlr4).value.files
+    val targetBaseDir = (Antlr4 / javaSource).value
+    val classpath = (Antlr4 / managedClasspath).value.files
     val log = streams.value.log
-    val packageName = (antlr4PackageName in Antlr4).value
-    val listenerOpt = (antlr4GenListener in Antlr4).value
-    val visitorOpt = (antlr4GenVisitor in Antlr4).value
-    val warningsAsErrorOpt = (antlr4TreatWarningsAsErrors in Antlr4).value
+    val packageName = (Antlr4 / antlr4PackageName).value
+    val listenerOpt = (Antlr4 / antlr4GenListener).value
+    val visitorOpt = (Antlr4 / antlr4GenVisitor).value
+    val warningsAsErrorOpt = (Antlr4 / antlr4TreatWarningsAsErrors).value
     val cachedCompile = FileFunction.cached(streams.value.cacheDirectory / "antlr4", FilesInfo.lastModified, FilesInfo.exists) {
       in : Set[File] =>
         runAntlr(
@@ -43,7 +61,7 @@ object Antlr4Plugin extends AutoPlugin {
           warningsAsErrorOpt = warningsAsErrorOpt
         )
     }
-    cachedCompile(((sourceDirectory in Antlr4).value ** "*.g4").get.toSet).toSeq
+    cachedCompile(((Antlr4 / sourceDirectory).value ** "*.g4").get.toSet).toSeq
   }
 
   def runAntlr(
@@ -69,8 +87,8 @@ object Antlr4Plugin extends AutoPlugin {
   }
 
   override def projectSettings = inConfig(Antlr4)(Seq(
-    sourceDirectory := (sourceDirectory in Compile).value / "antlr4",
-    javaSource := (sourceManaged in Compile).value / "antlr4",
+    sourceDirectory := (Compile / sourceDirectory).value / "antlr4",
+    javaSource := (Compile / sourceManaged).value / "antlr4",
     managedClasspath := Classpaths.managedJars(configuration.value, classpathTypes.value, update.value),
     antlr4Version := "4.8-1",
     antlr4Generate := antlr4GeneratorTask.value,
@@ -83,11 +101,11 @@ object Antlr4Plugin extends AutoPlugin {
     antlr4TreatWarningsAsErrors := false
   )) ++ Seq(
     ivyConfigurations += Antlr4,
-    managedSourceDirectories in Compile += (javaSource in Antlr4).value,
-    sourceGenerators in Compile += (antlr4Generate in Antlr4).taskValue,
+    Compile / managedSourceDirectories += (Antlr4 / javaSource).value,
+    Compile / sourceGenerators += (Antlr4 / antlr4Generate).taskValue,
     watchSources += new Source(sourceDirectory.value, "*.g4", HiddenFileFilter),
-    cleanFiles += (javaSource in Antlr4).value,
-    libraryDependencies += (antlr4BuildDependency in Antlr4).value,
-    libraryDependencies += (antlr4RuntimeDependency in Antlr4).value
+    cleanFiles += (Antlr4 / javaSource).value,
+    libraryDependencies += (Antlr4 / antlr4BuildDependency).value,
+    libraryDependencies += (Antlr4 / antlr4RuntimeDependency).value
   )
 }