Ci: Don't run non-bootstrapped tests on PRs

They mostly check a subset of things that can be detected with
bootstrapped tests, it's still useful to know that everything works
without bootstrapping on master so keep those tests on pushed commits
and releases.

Author: smarter

.github/workflows/ci.yaml

@@ -10,17 +10,19 @@ env:
   DOTTY_CI_RUN: true
 
 jobs:
-  test:
+  test_non_bootstrapped:
     runs-on: [self-hosted, Linux]
     container:
       image: lampepfl/dotty:2020-11-19
       volumes:
         - ${{ github.workspace }}/../../cache/sbt:/root/.sbt
         - ${{ github.workspace }}/../../cache/ivy:/root/.ivy2/cache
         - ${{ github.workspace }}/../../cache/general:/root/.cache
-    if: "!(github.event_name == 'push' &&
-           startsWith(github.event.ref, 'refs/tags/sbt-dotty-'))"
-
+    if: "(
+           github.event_name == 'push' &&
+           !startsWith(github.event.ref, 'refs/tags/sbt-dotty-')
+         ) ||
+         github.event_name == 'schedule')"
     steps:
       - name: Set JDK 15 as default
         run: echo "/usr/lib/jvm/java-15-openjdk-amd64/bin" >> $GITHUB_PATH
@@ -42,7 +44,7 @@ jobs:
           ./project/scripts/sbt ";compile ;test"
           ./project/scripts/cmdTests
 
-  test_bootstrapped:
+  test:
     runs-on: [self-hosted, Linux]
     container:
       image: lampepfl/dotty:2020-11-19
@@ -74,23 +76,7 @@ jobs:
           ./project/scripts/sbt ";scala3-bootstrapped/compile ;scala3-bootstrapped/test;sjsSandbox/run;sjsSandbox/test;sjsJUnitTests/test;sjsCompilerTests/test ;sbt-dotty/scripted scala2-compat/* ;configureIDE ;stdlib-bootstrapped/test:run ;stdlib-bootstrapped-tasty-tests/test"
           ./project/scripts/bootstrapCmdTests
 
-  ## Only run bootstrapped tests for Windows since that's a superset of the
-  ## non-bootstrapped tests and bootstrapping issues should be caught by
-  ## the non-bootstrapped Linux runner.
-  # test-windows:
-  #   runs-on: [self-hosted, Windows]
-  #   if: "!(github.event_name == 'push' &&
-  #          startsWith(github.event.ref, 'refs/tags/sbt-dotty-'))"
-
-  #   steps:
-  #     - name: Git Checkout
-  #       uses: actions/checkout@v2
-
-  #     - name: Test
-  #       run: sbt ";compile ;test"
-  #       shell: cmd
-
-  test_bootstrapped-windows:
+  test_windows:
     runs-on: [self-hosted, Windows]
     if: "!(github.event_name == 'push' &&
            startsWith(github.event.ref, 'refs/tags/sbt-dotty-'))"
@@ -193,7 +179,7 @@ jobs:
       - name: Test
         run: ./project/scripts/sbt sbt-dotty/scripted
 
-  test_bootstrapped_java8:
+  test_java8:
     runs-on: [self-hosted, Linux]
     container:
       image: lampepfl/dotty:2020-11-19
@@ -238,7 +224,7 @@ jobs:
         - ${{ github.workspace }}/../../cache/sbt:/root/.sbt
         - ${{ github.workspace }}/../../cache/ivy:/root/.ivy2/cache
         - ${{ github.workspace }}/../../cache/general:/root/.cache
-    needs: [test, test_bootstrapped, community_build_a, community_build_b, test_sbt, test_bootstrapped_java8]
+    needs: [test_non_bootstrapped, test, community_build_a, community_build_b, test_sbt, test_java8]
     if: github.event_name == 'schedule'
     env:
       NIGHTLYBUILD: yes
@@ -313,7 +299,7 @@ jobs:
         - ${{ github.workspace }}/../../cache/sbt:/root/.sbt
         - ${{ github.workspace }}/../../cache/ivy:/root/.ivy2/cache
         - ${{ github.workspace }}/../../cache/general:/root/.cache
-    needs: [test, test_bootstrapped, community_build_a, community_build_b, test_sbt, test_bootstrapped_java8]
+    needs: [test_non_bootstrapped, test, community_build_a, community_build_b, test_sbt, test_java8]
     if: github.event_name == 'push' &&
         startsWith(github.event.ref, 'refs/tags/') &&
         !startsWith(github.event.ref, 'refs/tags/sbt-dotty-')