Set up sbt-ci-release (#72)

Commits to branch `release`, alongside with any tags, will trigger a release.

.github/workflows/release.yml

@@ -0,0 +1,23 @@
+name: Release
+on:
+  push:
+    branches: [release]
+    tags: ["*"]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+          cache: sbt
+      - run: sbt ci-release
+        env:
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}

build.sbt

@@ -3,17 +3,23 @@ import scalanative.build._
 
 ThisBuild / scalaVersion := "3.3.3"
 
+publish / skip := true
+
 lazy val root =
   crossProject(JVMPlatform, NativePlatform)
     .crossType(CrossType.Full)
     .in(file("."))
     .settings(
       Seq(
         name := "Gears",
-        organization := "ch.epfl.lamp",
-        version := "0.2.0-SNAPSHOT",
+        versionScheme := Some("early-semver"),
         libraryDependencies += "org.scalameta" %%% "munit" % "1.0.0-RC1" % Test,
-        testFrameworks += new TestFramework("munit.Framework")
+        testFrameworks += new TestFramework("munit.Framework"),
+
+        // publish settings
+        organization := "ch.epfl.lamp",
+        homepage := Some(url("https://lampepfl.github.io/gears")),
+        licenses := List(License.Apache2)
       )
     )
     .jvmSettings(

project/plugins.sbt

@@ -1,3 +1,4 @@
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.2.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.1")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")
+addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.5.12")