Start on scala3 (#9)

* Compile some modules on Scala3
* Setup matrix build
* Reformat with new scalafmt version
* Run CI only on pull requests

.github/workflows/ci.yml

@@ -1,31 +1,44 @@
 name: CI
 on:
-  push:
-    branches: ["*"]
   pull_request:
     branches: ["*"]
 
 jobs:
   build:
+    name: CI ${{ matrix.java }} ${{matrix.scalaVersion}} (${{matrix.scalaPlatform}})
     strategy:
       fail-fast: false
-    runs-on: ubuntu-latest
+      matrix:
+        os: [ubuntu-latest]
+        java: [adopt@1.8, adopt@1.11, 17]
+        scalaVersion: ["2_12", "2_13", "3_0"]
+        scalaPlatform: ["jvm", "js", "native"]
+        exclude:
+          - scalaVersion: "3_0"
+            scalaPlatform: "native"
+    runs-on: ${{ matrix.os }}
+    env:
+      BUILD_KEY: ${{matrix.scalaVersion}}-${{matrix.scalaPlatform}}
     steps:
       - uses: actions/checkout@v1
       - uses: coursier/cache-action@v3      
-      - uses: olafurpg/setup-scala@v10
+      - uses: olafurpg/setup-scala@v13
         with:
           java-version: adopt@1.8
+
       - name: Setup Scala Native environment
         run: |
             sudo apt-get update
             sudo apt install clang
+        if: matrix.scalaPlatform == 'native'
+
       - name: Test
-        run: sbt ci
-        env:
-          JAVA_OPTS: "-XX:MaxMetaspaceSize=1g -Xms1g -Xmx4g -Xss2M -XX:+UseG1GC"
-          JVM_OPTS: "-XX:MaxMetaspaceSize=1g -Xms1g -Xmx4g -Xss2M -XX:+UseG1GC"
-      # - name: Native link
-      #   run: sbt nativeLink
+        run: sbt test-$BUILD_KEY codeQuality-$BUILD_KEY
+
+      - name: SBT Plugin test
+        run: sbt pluginTests-$BUILD_KEY
+        if: matrix.scalaPlatform == 'jvm' && matrix.scalaVersion == '2_12'
+
       - name: Check site build
         run: sbt buildSite
+        if: matrix.scalaPlatform == 'jvm' && matrix.scalaVersion == '2_13'

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = "2.6.4"
+version = "3.0.4"
 
 align.preset = "more"
 

build.sbt

@@ -11,12 +11,12 @@ val Ver = new {
   val upickle               = "1.4.0"
   val fansi                 = "0.2.14"
   val weaver                = "0.6.4"
-  val munit                 = "0.7.26"
+  val munit                 = "0.7.29"
 
   val Scala = new {
     val `2_12` = "2.12.13"
     val `2_13` = "2.13.5"
-    val `3`    = "3.0.1"
+    val `3`    = "3.0.2"
 
     val only_2    = Seq(`2_12`, `2_13`)
     val only_2_13 = Seq(`2_13`)
@@ -70,7 +70,7 @@ lazy val builders =
     .in(file("builders"))
     .dependsOn(core, searchIndex, searchFrontendPack, searchRetrieve)
     .settings(
-      name := "subatomic-builders",
+      name                                                  := "subatomic-builders",
       libraryDependencies += "com.lihaoyi"                  %% "scalatags" % Ver.scalatags,
       libraryDependencies += "com.github.japgolly.scalacss" %% "core"      % Ver.scalacss,
       libraryDependencies += "com.monovore"                 %% "decline"   % Ver.decline
@@ -117,7 +117,7 @@ lazy val searchFrontend =
     .settings(name := "subatomic-search-frontend")
     .settings(
       libraryDependencies += "com.raquo" %%% "laminar" % Ver.laminar,
-      scalaJSUseMainModuleInitializer := true
+      scalaJSUseMainModuleInitializer     := true
     )
     .jsPlatform(Ver.Scala.only_2_13)
     .settings(testSettings)
@@ -129,7 +129,7 @@ lazy val searchCli =
     .in(file("search/cli"))
     .dependsOn(searchIndex, searchRetrieve)
     .settings(
-      name := "subatomic-search-cli",
+      name                                  := "subatomic-search-cli",
       libraryDependencies += "com.lihaoyi" %%% "os-lib" % Ver.osLib,
       scalacOptions += "-Wconf:cat=unused-imports:wv",
       scalacOptions += "-Wconf:cat=unused-imports&site=subatomic.search.cli.SearchCLI:s,any:wv",
@@ -146,9 +146,9 @@ lazy val searchIndex =
     .in(file("search/indexer"))
     .dependsOn(searchShared)
     .settings(name := "subatomic-search-indexer")
-    .jvmPlatform(Ver.Scala.only_2)
-    .jsPlatform(Ver.Scala.only_2_13, batchModeOnCI)
-    .nativePlatform(Ver.Scala.only_2_13)
+    .jvmPlatform(Ver.Scala.all)
+    .jsPlatform(Ver.Scala.all, batchModeOnCI)
+    .nativePlatform(Ver.Scala.only_2)
     .settings(munitTestSettings)
     .settings(buildInfoSettings)
 
@@ -159,22 +159,22 @@ lazy val searchRetrieve =
     .settings(
       name := "subatomic-search-retrieve"
     )
-    .jvmPlatform(Ver.Scala.only_2)
-    .jsPlatform(Ver.Scala.only_2_13, batchModeOnCI)
-    .nativePlatform(Ver.Scala.only_2_13)
+    .jvmPlatform(Ver.Scala.all)
+    .jsPlatform(Ver.Scala.all, batchModeOnCI)
+    .nativePlatform(Ver.Scala.only_2)
     .settings(munitTestSettings)
     .settings(buildInfoSettings)
 
 lazy val searchShared =
   projectMatrix
     .in(file("search/shared"))
     .settings(
-      name := "subatomic-search-shared",
+      name                                  := "subatomic-search-shared",
       libraryDependencies += "com.lihaoyi" %%% "upickle" % Ver.upickle
     )
-    .jvmPlatform(Ver.Scala.only_2)
-    .jsPlatform(Ver.Scala.only_2_13, batchModeOnCI)
-    .nativePlatform(Ver.Scala.only_2_13)
+    .jvmPlatform(Ver.Scala.all)
+    .jsPlatform(Ver.Scala.all, batchModeOnCI)
+    .nativePlatform(Ver.Scala.only_2)
     .settings(munitTestSettings)
     .settings(buildInfoSettings)
     .enablePlugins(BuildInfoPlugin)
@@ -187,7 +187,7 @@ lazy val docs = project
   .dependsOn(builders.jvm(Ver.Scala.`2_12`), plugin.jvm(Ver.Scala.`2_12`), searchIndex.jvm(Ver.Scala.`2_12`))
   .enablePlugins(SubatomicPlugin)
   .settings(
-    scalaVersion := Ver.Scala.`2_12`,
+    scalaVersion    := Ver.Scala.`2_12`,
     skip in publish := true,
     // To react to asset changes
     watchSources += WatchSource(
@@ -200,16 +200,16 @@ lazy val docs = project
     unmanagedSourceDirectories in Compile +=
       (baseDirectory in ThisBuild).value / "docs",
     libraryDependencies += "com.lihaoyi" %% "fansi" % Ver.fansi,
-    subatomicBuildersDependency := false,
-    subatomicCoreDependency := false,
-    subatomicInheritClasspath := true
+    subatomicBuildersDependency          := false,
+    subatomicCoreDependency              := false,
+    subatomicInheritClasspath            := true
   )
 
 lazy val plugin = projectMatrix
   .in(file("sbt-plugin"))
   .withId("plugin")
   .settings(
-    sbtPlugin := true,
+    sbtPlugin                      := true,
     sbtVersion in pluginCrossBuild := "1.4.4"
   )
   .jvmPlatform(scalaVersions = Seq(Ver.Scala.`2_12`))
@@ -259,17 +259,17 @@ lazy val testSettings =
     libraryDependencies ++= ifNot(
       virtualAxes.value.contains(VirtualAxis.native),
       Seq(
-        "com.disneystreaming" %%% "weaver-cats"       % "0.6.4" % Test,
-        "com.disneystreaming" %%% "weaver-scalacheck" % "0.6.4" % Test
+        "com.disneystreaming" %%% "weaver-cats"       % Ver.weaver % Test,
+        "com.disneystreaming" %%% "weaver-scalacheck" % Ver.weaver % Test
       )
     ),
     testFrameworks += new TestFramework("weaver.framework.CatsEffect"),
     scalacOptions.in(Test) ~= filterConsoleScalacOptions
   )
 
 lazy val munitTestSettings = Seq(
-  libraryDependencies += "org.scalameta" %%% "munit"            % "0.7.26" % Test,
-  libraryDependencies += "org.scalameta" %%% "munit-scalacheck" % "0.7.26" % Test,
+  libraryDependencies += "org.scalameta" %%% "munit"            % Ver.munit % Test,
+  libraryDependencies += "org.scalameta" %%% "munit-scalacheck" % Ver.munit % Test,
   testFrameworks += new TestFramework("munit.Framework"),
   Test / scalaJSLinkerConfig ~= { _.withModuleKind(ModuleKind.CommonJSModule) }
 )
@@ -307,15 +307,15 @@ lazy val buildInfoSettings = {
 
 inThisBuild(
   List(
-    scalaVersion := Ver.Scala.`2_13`,
+    scalaVersion                                   := Ver.Scala.`2_13`,
     scalafixDependencies += "com.github.liancheng" %% "organize-imports" % "0.5.0",
-    semanticdbEnabled := true,
-    semanticdbVersion := scalafixSemanticdb.revision,
-    scalafixScalaBinaryVersion := scalaBinaryVersion.value,
-    organization := "com.indoorvivants",
-    organizationName := "Anton Sviridov",
-    homepage := Some(url("https://github.com/indoorvivants/subatomic")),
-    startYear := Some(2020),
+    semanticdbEnabled                              := true,
+    semanticdbVersion                              := scalafixSemanticdb.revision,
+    scalafixScalaBinaryVersion                     := scalaBinaryVersion.value,
+    organization                                   := "com.indoorvivants",
+    organizationName                               := "Anton Sviridov",
+    homepage                                       := Some(url("https://github.com/indoorvivants/subatomic")),
+    startYear                                      := Some(2020),
     licenses := List(
       "Apache-2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0")
     ),
@@ -363,6 +363,47 @@ ThisBuild / commands += Command.command("ci") { st =>
 
 addCommandAlias("buildSite", "docs/run build")
 
-ThisBuild / concurrentRestrictions ++= {
-  if (sys.env.contains("CI")) Seq(Tags.limitAll(4)) else Seq.empty
-}
+import commandmatrix._
+
+inThisBuild(
+  Seq(
+    commands ++=
+      CrossCommand.single(
+        "test",
+        matrices =
+          Seq(core, searchShared, searchIndex, searchRetrieve, builders, searchCli, searchFrontend, searchFrontendPack),
+        dimensions = Seq(
+          Dimension.scala("2.13", fullFor3 = false),
+          Dimension.platform()
+        ),
+        stubMissing = true
+      ),
+    commands ++=
+      CrossCommand.composite(
+        "codeQuality",
+        Seq("scalafmtCheckAll", s"scalafix --check $scalafixRules", "headerCheck"),
+        matrices =
+          Seq(core, searchShared, searchIndex, searchRetrieve, builders, searchCli, searchFrontend, searchFrontendPack),
+        dimensions = Seq(
+          Dimension.scala("2.13", fullFor3 = false),
+          Dimension.platform()
+        ),
+        filter = axes => CrossCommand.filter.notScala3(axes),
+        stubMissing = true
+      ),
+    commands ++=
+      CrossCommand.composite(
+        "pluginTests",
+        Seq("scripted"),
+        matrices = Seq(plugin),
+        dimensions = Seq(
+          Dimension.scala("2.12", fullFor3 = false), // "2.12" is the default one
+          Dimension.platform()
+        ),
+        filter = axes =>
+          CrossCommand.filter.isScalaBinary(2, Some(12))(axes) &&
+            CrossCommand.filter.onlyJvm(axes),
+        stubMissing = true
+      )
+  )
+)