move basic checks to GH Actions

.github/workflows/checks.yml

@@ -0,0 +1,62 @@
+name: Basic checks
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+    tags-ignore: [ v.* ]
+
+jobs:
+  check-code-style:
+    name: Check Code Style
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          # we don't know what commit the last tag was it's safer to get entire repo so previousStableVersion resolves
+          fetch-depth: 0
+
+      - name: Checkout GitHub merge
+        if: github.event.pull_request
+        run: |-
+          git fetch origin pull/${{ github.event.pull_request.number }}/merge:scratch
+          git checkout scratch
+
+      - name: Set up JDK 11
+        uses: olafurpg/setup-scala@v10
+        with:
+          java-version: [email protected]
+
+      - name: Cache Coursier cache
+        uses: coursier/cache-action@v5
+
+      - name: Code style check, compilation and binary-compatibility check
+        run: sbt "scalafmtCheckAll;+IntegrationTest/compile;mimaReportBinaryIssues"
+
+  check-docs:
+    name: Check Docs
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Checkout GitHub merge
+        if: github.event.pull_request
+        run: |-
+          git fetch origin pull/${{ github.event.pull_request.number }}/merge:scratch
+          git checkout scratch
+
+      - name: Set up JDK 11
+        uses: olafurpg/setup-scala@v10
+        with:
+          java-version: [email protected]
+
+      - name: Cache Coursier cache
+        uses: coursier/cache-action@v5
+
+      - name: Create all API docs for artifacts/website and all reference docs
+        run: sbt "unidoc; docs/paradox"

.travis.yml

@@ -41,13 +41,7 @@ before_script:
 jobs:
   include:
   - stage: test
-    script:
-    - jabba use "[email protected]"
-    - git branch -f "$TRAVIS_BRANCH" && git checkout "$TRAVIS_BRANCH"
-    - sbt -jvm-opts .jvmopts-travis ";scalafmtCheckAll;+Test/compile; mimaReportBinaryIssues; docs/paradox"
-    name: "Compile on all Scala versions, check code style (fixed with `sbt Test/compile`), run Mima"
-
-  - env: CMD="+test"
+    env: CMD="+test"
     name: "Run tests on AdoptOpenJDK 8 (all Scala versions)"
 
   - env:
@@ -79,8 +73,6 @@ jobs:
     name: "Kubernetes Lease Integration tests"
 
 stages:
-  - name: check
-    if: NOT tag =~ ^v
   - name: test
     if: NOT tag =~ ^v
   - name: integration