Merge pull request #278 from scala/sbt-scala-module-3

replace Travis-CI with GitHub Actions

Author: SethTisue

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: test
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        java: [8, 11, 17-ea]
+        scala: [2.12.14, 2.13.6]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: coursier/cache-action@v6
+    - uses: actions/setup-java@v2
+      with:
+        distribution: adopt
+        java-version: ${{matrix.java}}
+    - name: Test
+      run: sbt ++${{matrix.scala}} test proj/headerCheck package

.github/workflows/release.yml

@@ -0,0 +1,21 @@
+name: Release
+on:
+  push:
+    tags: ["*"]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-java@v2
+        with:
+          distribution: adopt
+          java-version: 8
+      - run: sbt versionCheck ci-release
+        env:
+          PGP_PASSPHRASE: ${{secrets.PGP_PASSPHRASE}}
+          PGP_SECRET: ${{secrets.PGP_SECRET}}
+          SONATYPE_PASSWORD: ${{secrets.SONATYPE_PASSWORD}}
+          SONATYPE_USERNAME: ${{secrets.SONATYPE_USERNAME}}

.travis.yml

@@ -1,13 +1,8 @@
-# scala-async [![Build Status](https://travis-ci.org/scala/scala-async.svg?branch=master)](https://travis-ci.org/scala/scala-async) [<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-async_2.12.svg?label=latest%20release%20for%202.12">](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-async_2.12) [<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-async_2.13.svg?label=latest%20release%20for%202.13">](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-async_2.13)
+# scala-async [<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-async_2.12.svg?label=latest%20release%20for%202.12">](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-async_2.12) [<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-async_2.13.svg?label=latest%20release%20for%202.13">](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-async_2.13)
 
-A DSL to enable a direct style of programming with when composing values wrapped in Scala `Future`s. 
+A Scala DSL to enable a direct style of coding when composing `Future`s.
 
-## Quick start
-
-To include scala-async in an existing project use the library published on Maven Central.
-For sbt projects add the following to your build definition - build.sbt or project/Build.scala:
-
-### Use a modern Scala compiler
+## Usage
 
 As of scala-async 1.0, Scala 2.12.12+ or 2.13.3+ are required.
 
@@ -44,6 +39,7 @@ to match your project’s Scala binary version):
 Add the `-Xasync` to the Scala compiler options.
 
 #### SBT Example
+
 ```scala
 scalacOptions += "-Xasync"
 ```
@@ -133,7 +129,7 @@ def combined: Future[Int] = async {
 
 ### `await` must be directly in the control flow of the async expression
 
-The `await` cannot be nested under a local method, object, class or lambda:  
+The `await` cannot be nested under a local method, object, class or lambda:
 
 ```
 async {

README.md

@@ -1,7 +1,9 @@
 val sharedSettings = ScalaModulePlugin.scalaModuleSettings ++ ScalaModulePlugin.scalaModuleOsgiSettings ++ Seq(
   name := "scala-async",
   scalaModuleAutomaticModuleName := Some("scala.async"),
-  versionPolicyIntention := Compatibility.BinaryAndSourceCompatible,
+
+  crossScalaVersions := Seq("2.13.6", "2.12.14"),
+  scalaVersion := crossScalaVersions.value.head,
 
   OsgiKeys.exportPackage := Seq(s"scala.async.*;version=${version.value}"),
 
@@ -12,16 +14,23 @@ val sharedSettings = ScalaModulePlugin.scalaModuleSettings ++ ScalaModulePlugin.
   ScalaModulePlugin.enableOptimizer,
   testOptions += Tests.Argument(TestFrameworks.JUnit, "-q", "-v", "-s"),
   Test / scalacOptions ++= Seq("-Yrangepos"),
-  scalacOptions ++= List("-deprecation" , "-Xasync")
+  scalacOptions ++= List("-deprecation" , "-Xasync"),
 )
 
 lazy val proj = crossProject(JSPlatform, JVMPlatform)
   .withoutSuffixFor(JVMPlatform)
   .crossType(CrossType.Pure)
   .in(file("."))
   .settings(sharedSettings)
+  // until we have actually published for Scala.js
+  .jvmSettings(versionPolicyIntention := Compatibility.BinaryAndSourceCompatible)
+  .jsSettings(versionPolicyIntention := Compatibility.None)
+  // override sbt-scala-module default (which is unsuitable for Scala.js)
+  .jsSettings(Test / fork := false)
 
-lazy val root = project.in(file(".")).settings(sharedSettings)
+lazy val root = project.in(file("."))
+  .settings(sharedSettings)
+  .aggregate(proj.jvm, proj.js)
 
 Global / parallelExecution := false
 

build.sbt

@@ -1,3 +1,3 @@
-addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "2.4.0")
+addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "3.0.0")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.7.0")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.1.0")

build.sh

@@ -9,6 +9,7 @@
  * See the NOTICE file distributed with this work for
  * additional information regarding copyright ownership.
  */
+
 package scala.async
 
 import java.util.Objects

project/plugins.sbt

@@ -1,3 +1,15 @@
+/*
+ * Scala (https://www.scala-lang.org)
+ *
+ * Copyright EPFL and Lightbend, Inc.
+ *
+ * Licensed under Apache License 2.0
+ * (http://www.apache.org/licenses/LICENSE-2.0).
+ *
+ * See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ */
+
 package scala.async
 
 import java.util.concurrent.atomic.AtomicReference

src/main/scala/scala/async/FutureStateMachine.scala

@@ -9,6 +9,7 @@
  * See the NOTICE file distributed with this work for
  * additional information regarding copyright ownership.
  */
+
 package scala.async
 
 import java.util.concurrent.ConcurrentHashMap