autowire for scala3 (#345)

Author: adamw

.github/labeler.yml

@@ -0,0 +1,14 @@
+version: 1
+labels:
+  - label: "automerge"
+    authors: ["softwaremill-ci"]
+    files:
+      - "build.sbt"
+      - "project/plugins.sbt"
+      - "project/build.properties"
+  - label: "dependency"
+    authors: ["softwaremill-ci"]
+    files:
+      - "build.sbt"
+      - "project/plugins.sbt"
+      - "project/build.properties"

.github/workflows/ci.yml

@@ -7,69 +7,49 @@ on:
     tags: [v*]
 jobs:
   ci:
-    # run on external PRs, but not on internal PRs since those will be run by push to branch
-    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
-    runs-on: ubuntu-20.04
+    # run on 1) push, 2) external PRs, 3) softwaremill-ci PRs
+    # do not run on internal, non-steward PRs since those will be run by push to branch
+    if: |
+      github.event_name == 'push' || 
+      github.event.pull_request.head.repo.full_name != github.repository ||
+      github.event.pull_request.user.login == 'softwaremill-ci'
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        java: [ '8', '11', '17' ]
+        java: [ '11', '17', '21' ]
       fail-fast: false
     steps:
-    - name: Set environment variables for Java 8
-      if: matrix.java == '8'
-      run: echo 'JAVA_OPTS=-Xmx5G' >> $GITHUB_ENV
-    - name: Set environment variables for Java 9+
-      if: matrix.java != '8'
+    - name: Set environment variables for Java
       run: echo 'JAVA_OPTS=-Xmx5G --add-opens java.base/java.lang=ALL-UNNAMED' >> $GITHUB_ENV
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
     - name: Set up JDK
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
-        distribution: 'adopt'
+        distribution: 'zulu'
         java-version: ${{ matrix.java }}
-    - name: Cache sbt
-      uses: actions/cache@v2
-      with:
-        path: |
-          ~/.sbt
-          ~/.ivy2/cache
-          ~/.coursier
-        key: sbt-cache-${{ runner.os }}-${{ hashFiles('project/build.properties') }}-${{ matrix.java }}
+        cache: 'sbt'
     - name: Compile
       run: sbt -v compile
     - name: Test
       run: sbt -v test
-    - name: Cleanup
-      run: |
-        rm -rf "$HOME/.ivy2/local" || true
-        find $HOME/.ivy2/cache                       -name "ivydata-*.properties" -delete || true
-        find $HOME/.ivy2/cache                       -name "*-LM-SNAPSHOT*"       -delete || true
-        find $HOME/.cache/coursier/v1                -name "ivydata-*.properties" -delete || true
-        find $HOME/.sbt                              -name "*.lock"               -delete || true
 
   publish:
     name: Publish release
     needs: [ci]
     if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v'))
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       JAVA_OPTS: -Xmx5G
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
-      - name: Set up JDK 11
-        uses: actions/setup-java@v1
-        with:
-          java-version: 11
-      - name: Cache sbt
-        uses: actions/cache@v2
+        uses: actions/checkout@v4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
         with:
-          path: |
-            ~/.sbt
-            ~/.ivy2/cache
-            ~/.coursier
-          key: sbt-cache-${{ runner.os }}-${{ hashFiles('project/build.properties') }}
+          distribution: 'zulu'
+          java-version: '17'
+          cache: 'sbt'
       - name: Compile
         run: sbt compile
       - name: Publish artifacts
@@ -95,10 +75,41 @@ jobs:
           version: "v${{ env.VERSION }}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Cleanup
+
+  # `automerge` label is attached iff there is exactly one file changed by steward and this file belongs to a
+  # whitelist specified by `labeler.yml`
+  label:
+    name: Attach automerge label
+    # only for PRs by softwaremill-ci
+    if: github.event.pull_request.user.login == 'softwaremill-ci'
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      # count number of files changed
+      - name: Count number of files changed
+        id: count-changed-files
         run: |
-          rm -rf "$HOME/.ivy2/local" || true
-          find $HOME/.ivy2/cache                       -name "ivydata-*.properties" -delete || true
-          find $HOME/.ivy2/cache                       -name "*-LM-SNAPSHOT*"       -delete || true
-          find $HOME/.cache/coursier/v1                -name "ivydata-*.properties" -delete || true
-          find $HOME/.sbt                              -name "*.lock"               -delete || true
+          N=$(git diff --name-only -r HEAD^1 HEAD | wc -w)
+          echo "changed_files_num=$N" >> $GITHUB_OUTPUT
+      - name: Launch labeler
+        # skip if more than one file changed
+        if: steps.count-changed-files.outputs.changed_files_num == 1
+        uses: srvaroa/labeler@master
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+
+  auto-merge:
+    name: Auto merge
+    # only for PRs by softwaremill-ci
+    if: github.event.pull_request.user.login == 'softwaremill-ci'
+    needs: [ ci, label ]
+    runs-on: ubuntu-22.04
+    steps:
+      - id: automerge
+        name: automerge
+        uses: "pascalgn/[email protected]"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          MERGE_METHOD: "squash"

.github/workflows/scala-steward.yml

@@ -11,12 +11,12 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
-      - name: Set up JDK 11
-        uses: actions/setup-java@v3
+        uses: actions/checkout@v4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
         with:
-          distribution: 'temurin'
-          java-version: 11
+          distribution: 'zulu'
+          java-version: 17
           cache: 'sbt'
       - name: Launch Scala Steward
         uses: scala-steward-org/scala-steward-action@v2

.gitignore

@@ -4,4 +4,9 @@
 target
 out
 .sbt
-.bsp
+.bsp
+.bloop
+.metals
+.vscode
+metals.sbt
+Workpad.scala

.scala-steward.conf

@@ -1,8 +1,6 @@
-updates.ignore = [
-  {groupId = "org.scala-lang", artifactId = "scala-compiler", version = "2.12."},
-  {groupId = "org.scala-lang", artifactId = "scala-compiler", version = "2.13."},
-  {groupId = "org.scala-lang", artifactId = "scala-compiler", version = "3."}
-]
 updates.pin = [
-  {groupId = "org.scala-lang", artifactId = "scala3-library", version = "3.3."}
+  {groupId = "com.typesafe.akka", version = "2.6."},
+  {groupId = "org.scala-lang", artifactId = "scala3-library", version = "3.3."},
+  {groupId = "org.scala-lang", artifactId = "scala3-library_sjs1", version = "3.3."},
+  {groupId = "org.scala-lang", artifactId = "scala-library", version = "2.13."}
 ]

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = 3.0.7
+version = 3.8.3
 maxColumn = 120
 runner.dialect = scala3
 fileOverride {