Merge pull request scala#10978 from scala/no-travis-ci-for-pr-validation

no more Travis-CI for PR validation, use GitHub Actions [forward port]

Author: SethTisue

.github/workflows/ci.yml

@@ -43,4 +43,4 @@ jobs:
       - name: Test
         run: |
           STARR=`cat buildcharacter.properties | grep ^maven.version.number | cut -d= -f2` && echo $STARR
-          sbt -Dstarr.version=$STARR setupValidateTest test:compile info testAll
+          sbt -Dstarr.version=$STARR setupValidateTest Test/compile info testAll

.github/workflows/validate.yml

@@ -0,0 +1,41 @@
+name: PR validation
+on:
+  pull_request:
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 8
+          cache: sbt
+      - uses: sbt/setup-sbt@v1
+      # "mini" bootstrap for PR validation
+      # "mini" in these senses:
+      # - it doesn't use the complicated legacy scripts.
+      # - it doesn't publish to scala-pr-validation-snapshots
+      #   (because we need secrets for that and PRs from forks can't have secrets)
+      # it is still a true bootstrap.
+      - name: build
+        run: sbt -warn setupPublishCore generateBuildCharacterPropertiesFile headerCheck publishLocal
+      - name: rebuild
+        run: |
+          STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
+          sbt -Dstarr.version=$STARR Test/compile
+      - name: testAll1
+        run: |
+          STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
+          sbt -Dstarr.version=$STARR setupValidateTest testAll1
+      - name: testAll2
+        run: |
+          STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
+          sbt -Dstarr.version=$STARR setupValidateTest testAll2
+      - name: benchmarks
+        run: |
+          STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
+          sbt -Dstarr.version=$STARR bench/Jmh/compile
+      - name: build library with Scala 3
+        run: sbt -Dscala.build.compileWithDotty=true library/compile

.travis.yml

@@ -5,70 +5,12 @@ dist: xenial  # GPG stuff breaks on bionic; scala/scala-dev#764
 language: scala
 
 stages:
-  - build
-  - test
-
-templates: # this has no effect on travis, it's just a place to put our templates
-  pr-jdk8: &pr-jdk8
-    if: type = pull_request OR repo != scala/scala
-
-  cron-jdk17: &cron-jdk17
-    if: type = cron AND repo = scala/scala
-    env: ADOPTOPENJDK=17
-
-  build-for-testing: &build-for-testing
-    # pull request validation (w/ bootstrap)
-    # differs from the build that publishes releases / integration builds:
-    # - not using bash script setup, but just the underlying sbt calls
-    # - publishing locally rather than to Artifactory
-    # the bootstrap above is older historically; this way of doing it is newer
-    # and also simpler. we should aim to reduce/eliminate the duplication.
-    stage: build
-    name: build, publishLocal, build again
-    script:
-      - set -e
-      - sbt setupPublishCore generateBuildCharacterPropertiesFile headerCheck publishLocal
-      - STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
-      - sbt -Dstarr.version=$STARR setupValidateTest compile
-    workspaces:
-      create:
-        name: bootstrapped
-        paths:
-          # so new STARR will be available
-          - "buildcharacter.properties"
-          - "$HOME/.ivy2/local/org.scala-lang"
-          # so build products built using new STARR are kept
-          - "target"
-          - "project/target"
-          - "project/project/target"
-          - "project/project/project/target"
-          - "dist"
-          - "build"
-
-  test1: &test1
-    stage: test
-    name: tests (junit, scalacheck, et al)
-    workspaces:
-      use: bootstrapped
-    script:
-      - set -e
-      - STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
-      - sbt -Dstarr.version=$STARR setupValidateTest Test/compile testAll1
-
-  test2: &test2
-    stage: test
-    name: tests (partest)
-    workspaces:
-      use: bootstrapped
-    script:
-      - set -e
-      - STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
-      - sbt -Dstarr.version=$STARR setupValidateTest testAll2
+  - name: build
 
 jobs:
   include:
     - stage: build
-      if: (type = push OR type = api) AND repo = scala/scala # api for manually triggered release builds
+      if: type != pull_request AND repo = scala/scala AND branch = 2.13.x
       name: publish (bootstrapped) to scala-integration or sonatype
       script:
         # see comment in `bootstrap_fun` for details on the procedure
@@ -87,45 +29,8 @@ jobs:
         - buildQuick
         - triggerScalaDist
 
-    - <<: *build-for-testing
-      <<: *pr-jdk8
-
-    - <<: *test1
-      <<: *pr-jdk8
-
-    - <<: *test2
-      <<: *pr-jdk8
-
-    - <<: *build-for-testing
-      <<: *cron-jdk17
-
-    - <<: *test1
-      <<: *cron-jdk17
-
-    - <<: *test2
-      <<: *cron-jdk17
-
-    - stage: test
-      name: build library with Scala 3
-      if: type = pull_request OR repo != scala/scala
-      workspaces:
-        use: bootstrapped
-      script:
-        - set -e
-        - STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
-        - sbt -Dscala.build.compileWithDotty=true library/compile
-
-    - name: build benchmarks
-      if: type = pull_request OR repo != scala/scala
-      workspaces:
-        use: bootstrapped
-      script:
-        - set -e
-        - STARR=$(sed -n 's/^maven\.version\.number=//p' buildcharacter.properties) && echo $STARR
-        - sbt bench/Jmh/compile
-
     - stage: build
-      if: type = pull_request OR type = push
+      if: type != pull_request AND repo = scala/scala AND branch = 2.13.x
       name: language spec
       dist: focal
       language: ruby
@@ -169,10 +74,4 @@ cache:
     - $HOME/.rvm
 
 notifications:
-  slack:
-    rooms:
-      - typesafe:WoewGgHil2FkdGzJyV3phAhj
-    if: (type = cron OR type = push) AND repo = scala/scala
-    on_success: never
-    on_failure: change
   webhooks: https://scala-ci.typesafe.com/benchq/webhooks/travis