Adopt GHA Scala Library Release Workflow

.github/workflows/release.yml

@@ -0,0 +1,12 @@
+name: Release
+
+on:
+  workflow_dispatch:
+
+jobs:
+  release:
+    uses: guardian/gha-scala-library-release-workflow/.github/workflows/reusable-release.yml@main
+    permissions: { contents: write, pull-requests: write }
+    secrets:
+      AUTOMATED_MAVEN_RELEASE_PGP_SECRET: ${{ secrets.AUTOMATED_MAVEN_RELEASE_PGP_SECRET }}
+      AUTOMATED_MAVEN_RELEASE_SONATYPE_PASSWORD: ${{ secrets.AUTOMATED_MAVEN_RELEASE_SONATYPE_PASSWORD }}

README.md

@@ -1,4 +1,6 @@
 # tags-thrift-schema
+[![tags-thrift-schema Scala version support](https://index.scala-lang.org/guardian/tags-thrift-schema/tags-thrift-schema/latest-by-scala-version.svg?platform=jvm)](https://index.scala-lang.org/guardian/tags-thrift-schema/tags-thrift-schema)
+[![Release](https://github.com/guardian/tags-thrift-schema/actions/workflows/release.yml/badge.svg)](https://github.com/guardian/tags-thrift-schema/actions/workflows/release.yml)
 
 This repository contains the Thrift schema required for interaction with [guardian/tagmanager](https://github.com/guardian/tagmanager).
 
@@ -14,16 +16,8 @@ If you need to try out your changes with consumer applications (e.g. `tagmanager
 - Run `+publishLocal` in sbt (note the `+` makes it cross-compile, e.g. `tagmanager` consumes the 2.11 version)
 - Update the version in the consumer application(s) (e.g. https://github.com/guardian/tagmanager/blob/e47465cbbcdf9e3d3312c5c779eb52fe0676ce4a/build.sbt#L29) using the `-SNAPSHOT` version.
 
-### Publishing a new version
-
-1. Follow the instructions for [publishing a new version to Maven Central via Sonatype](https://docs.google.com/document/d/1rNXjoZDqZMsQblOVXPAIIOMWuwUKe3KzTCttuqS7AcY/edit#).
-   This will include (if not already completed for another project):
-    - Creating and publishing a PGP key
-    - Setting up an account on Sonatype and having it added to the `com.gu` group
-    - Storing your Sonatype credentials in your global sbt configuration
-2. Ensure you're on the branch which holds the changes you're ready to release and that these changes have been approved & tested with the application(s) which use this library (using the `-SNAPSHOT` version).
-3. Ensure the project still builds with `sbt compile`
-4. Run `sbt release`. You will be prompted for a 'release version' – which you should set following semantic versioning as either a patch,
-   minor or major version bump. You will also be prompted for a 'next version' – which should be a patch version ahead of your release version
-   and end `-SNAPSHOT`. `version.sbt` will be updated to reflect this 'next version'.
+# Publishing a new release
 
+This repo uses [`gha-scala-library-release-workflow`](https://github.com/guardian/gha-scala-library-release-workflow)
+to automate publishing releases (both full & preview releases) - see
+[**Making a Release**](https://github.com/guardian/gha-scala-library-release-workflow/blob/main/docs/making-a-release.md).

build.sbt

@@ -1,41 +1,34 @@
 import ReleaseTransformations._
+import sbtversionpolicy.withsbtrelease.ReleaseVersion.fromAggregatedAssessedCompatibilityWithLatestRelease
 
 name := "tags-thrift-schema"
 organization := "com.gu"
 
-scmInfo := Some(ScmInfo(url("https://github.com/guardian/tags-thrift-schema"), "scm:git@github.com:guardian/tags-thrift-schema"))
-homepage := scmInfo.value.map(_.browseUrl)
-developers := List(Developer(id = "guardian", name = "Guardian", email = null, url = url("https://github.com/guardian")))
-
-
 libraryDependencies ++= Seq(
   "org.apache.thrift" % "libthrift" % "0.13.0",
   "com.twitter" %% "scrooge-core" % "19.11.0"
 )
 
 // Might cross compile more scala versions here depending on who needs this!
-scalaVersion := "2.13.1"
-crossScalaVersions := Seq("2.11.12", "2.12.10", scalaVersion.value)
+scalaVersion := "2.13.11"
+crossScalaVersions := Seq("2.12.18", scalaVersion.value)
+scalacOptions := Seq(
+  "-release:11"
+)
 releaseCrossBuild := true
 
-resolvers += Resolver.jcenterRepo
+licenses := Seq(License.Apache2)
 
-licenses += ("Apache-2.0", url("https://github.com/guardian/tags-thrift-schema/blob/main/LICENSE"))
-
-releasePublishArtifactsAction := PgpKeys.publishSigned.value
-publishTo := sonatypePublishTo.value
+releaseVersion := fromAggregatedAssessedCompatibilityWithLatestRelease().value
 
 releaseProcess := Seq[ReleaseStep](
   checkSnapshotDependencies,
   inquireVersions,
   runClean,
   runTest,
   setReleaseVersion,
-  publishArtifacts,
-  releaseStepCommand("sonatypeReleaseAll"),
   commitReleaseVersion,
   tagRelease,
   setNextVersion,
-  commitNextVersion,
-  pushChanges
-)
+  commitNextVersion
+)

project/build.properties

@@ -1 +1 @@
-sbt.version=1.5.7
+sbt.version=1.9.8

project/plugins.sbt

@@ -1,5 +1,5 @@
 // Plugin to actually build the thrift
 addSbtPlugin("com.twitter" %% "scrooge-sbt-plugin" % "19.11.0")
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "2.0.1")
+addSbtPlugin("ch.epfl.scala" % "sbt-version-policy" % "3.2.0")
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.4")
 addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.13")