ci: configure the protected branch (#911)

Author: suztomo

.github/workflows/ci.yaml

@@ -1,89 +1,80 @@
-# Copyright 2022 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# Github action job to test core java library features on
-# downstream client libraries before they are released.
-on:
+'on':
   push:
     branches:
-    - main
-  pull_request:
+      - 3.0.x
+  pull_request: null
 name: ci
 jobs:
   units:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        java: [8, 11, 17]
+        java:
+          - 8
+          - 11
+          - 17
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-java@v3
-      with:
-        distribution: zulu
-        java-version: ${{matrix.java}}
-    - run: java -version
-    - run: .kokoro/build.sh
-      env:
-        JOB_TYPE: test
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: zulu
+          java-version: ${{matrix.java}}
+      - run: java -version
+      - run: .kokoro/build.sh
+        env:
+          JOB_TYPE: test
   windows:
     runs-on: windows-latest
     steps:
-    - name: Support longpaths
-      run: git config --system core.longpaths true
-    - uses: actions/checkout@v3
-    - uses: actions/setup-java@v3
-      with:
-        distribution: zulu
-        java-version: 8
-    - run: java -version
-    - run: .kokoro/build.bat
-      env:
-        JOB_TYPE: test
+      - name: Support longpaths
+        run: git config --system core.longpaths true
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: zulu
+          java-version: 8
+      - run: java -version
+      - run: .kokoro/build.bat
+        env:
+          JOB_TYPE: test
   dependencies:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11, 17]
+        java:
+          - 8
+          - 11
+          - 17
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-java@v3
-      with:
-        distribution: zulu
-        java-version: ${{matrix.java}}
-    - run: java -version
-    - run: .kokoro/dependencies.sh
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: zulu
+          java-version: ${{matrix.java}}
+      - run: java -version
+      - run: .kokoro/dependencies.sh
   lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-java@v3
-      with:
-        distribution: zulu
-        java-version: 11
-    - run: java -version
-    - run: .kokoro/build.sh
-      env:
-        JOB_TYPE: lint
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: zulu
+          java-version: 11
+      - run: java -version
+      - run: .kokoro/build.sh
+        env:
+          JOB_TYPE: lint
   clirr:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-java@v3
-      with:
-        distribution: zulu
-        java-version: 8
-    - run: java -version
-    - run: .kokoro/build.sh
-      env:
-        JOB_TYPE: clirr
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          distribution: zulu
+          java-version: 8
+      - run: java -version
+      - run: .kokoro/build.sh
+        env:
+          JOB_TYPE: clirr

.github/workflows/downstream-native-image.yaml

@@ -1,24 +1,21 @@
-on:
+'on':
   push:
     branches:
-      - main
-  pull_request:
-
-# Keeping this file separate as the dependencies check would use more
-# repositories than needed this downstream check for GraalVM native image
-# compilation.
+      - 3.0.x
+  pull_request: null
 name: downstream-native-image
 jobs:
-  # GraalVM job ensures the compatibility of GraaVM version
   graalvm:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        graalvm: [22.2.0]
-        java: [11, 17]
+        graalvm:
+          - 22.2.0
+        java:
+          - 11
+          - 17
         repo:
-          # GAPIC library that doesn't use a real GCP project in integration tests
           - orgpolicy
     steps:
       - uses: actions/checkout@v2
@@ -28,11 +25,6 @@ jobs:
       - uses: ayltai/setup-graalvm@v1
         with:
           java-version: ${{matrix.java}}
-          # When a new version of native-maven-plugin fails to run in a downstream
-          # library, it's likely to be an incompatibility with the GraalVM version.
-          # In that case, you need to upgrade the Docker container used in the
-          # tests in the downstream repositories (not just this value below).
-          # Example: https://github.com/googleapis/testing-infra-docker/pull/195
           graalvm-version: ${{matrix.graalvm}}
           native-image: true
       - run: java -version