Update sbt to 1.9.0, migrate to new sbt syntax && Modernize a bit the CI (add ScalaSteward, dependabot and release-drafter)

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/release-drafter.yml

@@ -0,0 +1,19 @@
+name-template: 'v$NEXT_PATCH_VERSION'
+tag-template: 'v$NEXT_PATCH_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'feature'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'bug'
+  - title: '🧰 Maintenance'
+    labels:
+      - 'build'
+  - title: '🌱 Dependency Updates'
+    labels:
+      - 'dependency-update'
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+template: |
+  ## Changes
+  $CHANGES

.github/workflows/ci.yml

@@ -14,14 +14,12 @@ jobs:
         include:
         - java: 8
         - java: 11
+        - java: 17
     steps:
     - uses: actions/checkout@v2.3.4
-    - uses: olafurpg/setup-scala@v10
+    - uses: actions/setup-java@v3
       with:
-        java-version: "adopt@1.${{ matrix.java }}"
-    - uses: coursier/cache-action@v5
+        distribution: 'temurin'
+        java-version: ${{ matrix.java }}
+    - uses: coursier/cache-action@v6
     - run: sbt -v test scripted
-    - run:
-        rm -rf "$HOME/.ivy2/local" || true
-        find "$HOME/.ivy2/cache" -name "ivydata-*.properties" -print -delete
-        find "$HOME/.sbt"        -name "*.lock"               -print -delete

.github/workflows/release-drafter.yml

@@ -0,0 +1,13 @@
+name: Release Drafter
+
+on:
+  push:
+    branches: ['master']
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/scala-steward.yml

@@ -0,0 +1,16 @@
+name: Scala Steward
+
+# This workflow will launch every day at 00:00
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch: {}
+
+jobs:
+  scala-steward:
+    timeout-minutes: 45
+    runs-on: ubuntu-latest
+    name: Scala Steward
+    steps:
+      - name: Scala Steward
+        uses: scala-steward-org/scala-steward-action@v2.54.0

build.sbt

@@ -11,7 +11,7 @@ val jmhVersion = {
 
 val commonSettings = Seq(
   organization := "pl.project13.scala",
-  publishTo := Some(if (isSnapshot.value) Opts.resolver.sonatypeSnapshots else Opts.resolver.sonatypeStaging),
+  publishTo := Some(if (isSnapshot.value) Opts.resolver.sonatypeOssSnapshots.last else Opts.resolver.sonatypeStaging),
   startYear := Some(2014),
   licenses += ("Apache-2.0", url("http://www.apache.org/licenses/LICENSE-2.0.html")),
   homepage := Some(url("https://github.com/ktoso/sbt-jmh")),

plugin/src/main/scala/pl/project13/scala/sbt/JmhPlugin.scala

@@ -16,15 +16,10 @@
 
 package pl.project13.scala.sbt
 
-import java.util.Properties
-
-import sbt._
-import sbt.Keys._
-import org.openjdk.jmh.annotations.Benchmark
-import org.openjdk.jmh.generators.bytecode.JmhBytecodeGenerator
-import sbt.KeyRanks.AMinusSetting
+import sbt.*
+import sbt.Keys.*
 
-import scala.tools.nsc.util.ScalaClassLoader.URLClassLoader
+import java.util.Properties
 
 object JmhPlugin extends AutoPlugin {
 
@@ -33,7 +28,7 @@ object JmhPlugin extends AutoPlugin {
     val generatorType = settingKey[String]("Benchmark code generator type. Available: `default`, `reflection` or `asm`.")
   }
 
-  import JmhKeys._
+  import JmhKeys.*
 
   val autoImport = JmhKeys
 
@@ -52,17 +47,17 @@ object JmhPlugin extends AutoPlugin {
     version := jmhVersionFromProps(),
     generatorType := "default",
 
-    mainClass in run := Some("org.openjdk.jmh.Main"),
-    fork in run := true, // makes sure that sbt manages classpath for JMH when forking
+    run / mainClass := Some("org.openjdk.jmh.Main"),
+    run / fork := true, // makes sure that sbt manages classpath for JMH when forking
     // allow users to configure another classesDirectory like e.g. test:classDirectory
-    classDirectory := (classDirectory in Compile).value,
-    dependencyClasspath := (dependencyClasspath in Compile).value,
+    classDirectory := (Compile / classDirectory).value,
+    dependencyClasspath := (Compile / dependencyClasspath).value,
 
-    resourceDirectory := (resourceDirectory in Compile).value,
+    resourceDirectory := (Compile / resourceDirectory).value,
     sourceGenerators := Seq(Def.task { generateJmhSourcesAndResources.value._1 }.taskValue),
     resourceGenerators := Seq(Def.task { generateJmhSourcesAndResources.value._2 }.taskValue),
-    generateJmhSourcesAndResources := generateBenchmarkSourcesAndResources(streams.value, crossTarget.value / "jmh-cache", (classDirectory in Jmh).value, sourceManaged.value, resourceManaged.value, generatorType.value, (dependencyClasspath in Jmh).value, new Run(scalaInstance.value, true, taskTemporaryDirectory.value)),
-    generateJmhSourcesAndResources := (generateJmhSourcesAndResources dependsOn(compile in Compile)).value,
+    generateJmhSourcesAndResources := generateBenchmarkSourcesAndResources(streams.value, crossTarget.value / "jmh-cache", (Jmh / classDirectory).value, sourceManaged.value, resourceManaged.value, generatorType.value, (Jmh / dependencyClasspath).value, new Run(scalaInstance.value, true, taskTemporaryDirectory.value)),
+    generateJmhSourcesAndResources := (generateJmhSourcesAndResources dependsOn(Compile / compile)).value,
 
     // local copy of https://github.com/sbt/sbt/blob/e4231ac03903e174bc9975ee00d34064a1d1f373/main/src/main/scala/sbt/Keys.scala#L400
     // so that it does not break on sbt version below 1.4.0
@@ -72,13 +67,13 @@ object JmhPlugin extends AutoPlugin {
 
     // includes the asm jar only if needed
     libraryDependencies ++= {
-      val jmhV = (version in Jmh).value
+      val jmhV = (Jmh / version).value
 
       Seq(
         "org.openjdk.jmh"     % "jmh-core"                 % jmhV,    // GPLv2
         "org.openjdk.jmh"     % "jmh-generator-bytecode"   % jmhV,    // GPLv2
         "org.openjdk.jmh"     % "jmh-generator-reflection" % jmhV     // GPLv2
-      ) ++ ((generatorType in Jmh).value match {
+      ) ++ ((Jmh / generatorType).value match {
         case "default" | "reflection" => Nil // default == reflection (0.9)
         case "asm"                    => Seq("org.openjdk.jmh" % "jmh-generator-asm" % jmhV)    // GPLv2
         case unknown                  => throw new IllegalArgumentException(s"Unknown benchmark generator type: $unknown, please use one of the supported generators!")

project/build.properties

@@ -1 +1 @@
-sbt.version=1.3.13
+sbt.version=1.9.0

project/plugins.sbt

@@ -1,2 +1,2 @@
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "2.0.1")
-addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.6.0")
+addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.2.1")
+addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.9.0")

version.sbt

@@ -1 +1 @@
-version in ThisBuild := "0.4.4"
+ThisBuild / version := "0.4.4"