Setup GHA manually for Scala 3

.github/workflows/ci-scala3.yml

@@ -0,0 +1,55 @@
+# This file was based on ci.yml file, but is unmanaged by the sbt plugin
+# and was edited manually. Should be removed when sangria-derivation will
+# be merged for Scala 3
+
+name: Continuous Integration (Scala 3)
+
+on:
+  pull_request:
+    branches: ['**']
+  push:
+    branches: ['**']
+    tags: [v*]
+
+jobs:
+  build:
+    name: Build and Test on Scala 3
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        scala: [3.1.3]
+        java: [temurin@11]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Java (temurin@11)
+        if: matrix.java == 'temurin@11'
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 11
+
+      - name: Cache sbt
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.sbt
+            ~/.ivy2/cache
+            ~/.coursier/cache/v1
+            ~/.cache/coursier/v1
+            ~/AppData/Local/Coursier/Cache/v1
+            ~/Library/Caches/Coursier/v1
+          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+
+      - name: Check binary compatibility
+        run: sbt ++${{ matrix.scala }} "sangria-ast/mimaReportBinaryIssues;sangria-parser/mimaReportBinaryIssues;sangria-core/mimaReportBinaryIssues"
+
+      - name: Check formatting
+        run: sbt ++${{ matrix.scala }} scalafmtCheckAll
+
+      - name: Build and test project
+        run: sbt ++${{ matrix.scala }} "sangria-parser/test;sangria-core/test"

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.16, 2.13.8, 3.1.3]
+        scala: [2.12.16, 2.13.8]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -60,7 +60,8 @@ jobs:
       - name: Check that workflows are up to date
         run: sbt ++${{ matrix.scala }} githubWorkflowCheck
 
-      - run: sbt ++${{ matrix.scala }} testAll
+      - name: Build project
+        run: sbt ++${{ matrix.scala }} test
 
       - name: Compress target directories
         run: tar cf targets.tar modules/core/target modules/parser/target modules/benchmarks/target modules/derivation/target modules/ast/target target modules/sangria/target project/target
@@ -78,7 +79,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [3.1.3]
+        scala: [2.13.8]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -126,16 +127,6 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (3.1.3)
-        uses: actions/download-artifact@v2
-        with:
-          name: target-${{ matrix.os }}-3.1.3-${{ matrix.java }}
-
-      - name: Inflate target directories (3.1.3)
-        run: |
-          tar xf targets.tar
-          rm targets.tar
-
       - env:
           PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
           PGP_SECRET: ${{ secrets.PGP_SECRET }}

build.sbt

@@ -9,21 +9,14 @@ val isScala3 = Def.setting(
 
 // sbt-github-actions needs configuration in `ThisBuild`
 ThisBuild / crossScalaVersions := Seq("2.12.16", "2.13.8", "3.1.3")
-ThisBuild / scalaVersion := crossScalaVersions.value.last
+ThisBuild / scalaVersion := "2.13.8"
 ThisBuild / githubWorkflowBuildPreamble ++= List(
   WorkflowStep.Sbt(List("mimaReportBinaryIssues"), name = Some("Check binary compatibility")),
   WorkflowStep.Sbt(List("scalafmtCheckAll"), name = Some("Check formatting"))
 )
 
-// Workaround for not running derivation tests for Scala 3 yet.
-// Should be deleted and githubWorkflowBuild should be restored to default when
-// derivation is compiling for all versions
-lazy val testAll = taskKey[Unit]("Test all available modules depending on the Scala version")
-testAll := {
-  if (isScala3.value) Def.sequential(parser / Test / test, core / Test / test).value
-  else Def.sequential(parser / Test / test, core / Test / test, derivation / Test / test).value
-}
-ThisBuild / githubWorkflowBuild := Seq(WorkflowStep.Sbt(List("testAll")))
+// For now we set up GH Actions manually for Scala 3
+ThisBuild / githubWorkflowScalaVersions := crossScalaVersions.value.filterNot(_.startsWith("3."))
 
 // Release
 ThisBuild / githubWorkflowTargetTags ++= Seq("v*")