Add sbt-release plugin

build.sbt

@@ -4,6 +4,8 @@ name := "sbt-jooq"
 
 publish / skip := true
 
+enablePlugins(ReleaseSettings)
+
 ThisBuild / scalacOptions ++= Seq(
   "-release",
   "8",
@@ -92,11 +94,3 @@ lazy val docs = project
       "org.scala-lang.modules" %% "scala-xml" % "always"
     ),
   )
-
-TaskKey[Unit]("updateReadme") := Def.taskDyn {
-  val readmeFile = "README.md"
-  Def.sequential(
-    (docs / mdoc).toTask(s" --include $readmeFile"),
-    Def.task(IO.copyFile((docs / mdocOut).value / readmeFile, baseDirectory.value / readmeFile)),
-  )
-}

project/PublishSettings.scala

@@ -1,12 +1,16 @@
+import com.jsuereth.sbtpgp.PgpKeys._
+import com.jsuereth.sbtpgp.SbtPgp
 import sbt._
 import sbt.Keys._
+import sbtrelease.ReleasePlugin
+import sbtrelease.ReleasePlugin.autoImport._
 import xerial.sbt.Sonatype
 import xerial.sbt.Sonatype.GitHubHosting
 import xerial.sbt.Sonatype.SonatypeKeys._
 
 object PublishSettings extends AutoPlugin {
 
-  override def requires: Plugins = Sonatype
+  override def requires: Plugins = Sonatype && SbtPgp && ReleasePlugin
 
   override def trigger: PluginTrigger = allRequirements
 
@@ -24,6 +28,7 @@ object PublishSettings extends AutoPlugin {
     publishTo := sonatypePublishToBundle.value,
     sonatypeProjectHosting := Some(GitHubHosting("kxbmap", "sbt-jooq", "Tsukasa Kitachi", "[email protected]")),
     pomIncludeRepository := { _ => false },
+    releasePublishArtifactsAction := publishSigned.value,
   )
 
 }

project/ReleaseSettings.scala

@@ -0,0 +1,78 @@
+import com.jsuereth.sbtpgp.SbtPgp
+import mdoc.MdocPlugin.autoImport._
+import sbt._
+import sbt.Def.Initialize
+import sbt.Keys._
+import sbtrelease.ReleasePlugin
+import sbtrelease.ReleasePlugin.autoImport._
+import sbtrelease.ReleaseStateTransformations._
+import sbtrelease.Version.Bump
+import xerial.sbt.Sonatype
+
+object ReleaseSettings extends AutoPlugin {
+
+  override def requires: Plugins = Sonatype && ReleasePlugin && SbtPgp
+
+  object autoImport {
+    val readmeFile = settingKey[File]("Readme file name")
+    val updateReadme = taskKey[Unit]("Update readme file")
+  }
+
+  import autoImport._
+
+  override def projectSettings: Seq[Setting[_]] = Seq(
+    readmeFile := baseDirectory.value / "README.md",
+    updateReadme := updateReadmeTask.value,
+    releaseVersionBump := Bump.Bugfix,
+    releaseProcess := Seq(
+      checkSnapshotDependencies,
+      inquireVersions,
+      runClean,
+      runTest,
+      releaseStepCommand("scripted"),
+      setReleaseVersion,
+      releaseStepTask(updateReadme),
+      commitReadme,
+      commitReleaseVersion,
+      tagRelease,
+      publishArtifacts,
+      releaseStepCommand("sonatypeBundleRelease"),
+      setNextVersion,
+      commitNextVersion,
+      releaseStepCommand("reload"),
+    ),
+  )
+
+  private val docs = LocalProject("docs")
+
+  private def updateReadmeTask: Initialize[Task[Unit]] =
+    Def.taskDyn {
+      val readme = readmeFile.value
+      val name = readme.getName
+      Def.sequential(
+        (docs / mdoc).toTask(s" --include $name"),
+        Def.task[Unit] {
+          val src = (docs / mdocOut).value / name
+          IO.copy(Seq(src -> readme))
+        },
+      )
+    }
+
+  private val commitReadme = ReleaseStep { st =>
+    val x = Project.extract(st)
+    val vcs = x.get(releaseVcs).getOrElse(
+      sys.error("Aborting release. Working directory is not a repository of a recognized VCS.")
+    )
+    val sign = x.get(releaseVcsSign)
+    val signOff = x.get(releaseVcsSignOff)
+    val readme = x.get(readmeFile)
+    val name = readme.getName
+    vcs.add(readme.getPath) ! st.log
+    val status = vcs.status.!!.trim
+    if (status.contains(name)) {
+      vcs.commit(s"Update $name", sign, signOff) ! st.log
+    }
+    st
+  }
+
+}

project/plugins.sbt

@@ -5,6 +5,7 @@ scalacOptions ++= Seq(
   "-Xlint:-unused,_",
 )
 
+addSbtPlugin("com.github.sbt" % "sbt-release" % "1.1.0")
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.10")
 addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.1.2")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.2.23")