chore(java): rename master branch to main (#1221) (#164)

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:13b7387edb404234610d30473ac48210ae7fe42a136335ee2b2f8a07c4c7f6a5
+  digest: sha256:5ba0bc6649b2d147f7dea0836e5b484afba15e10db96e0e5bf01d4edf095041e

.github/workflows/ci.yaml

@@ -9,15 +9,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11, 17]
+        java: [8, 11]
     steps:
     - uses: actions/checkout@v2
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v2
+    - uses: actions/setup-java@v1
       with:
-        distribution: zulu
         java-version: ${{matrix.java}}
     - run: java -version
     - run: .kokoro/build.sh
@@ -30,9 +29,8 @@ jobs:
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v2
+    - uses: actions/setup-java@v1
       with:
-        distribution: zulu
         java-version: 8
     - run: java -version
     - run: .kokoro/build.bat
@@ -42,15 +40,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11, 17]
+        java: [8, 11]
     steps:
     - uses: actions/checkout@v2
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v2
+    - uses: actions/setup-java@v1
       with:
-        distribution: zulu
         java-version: ${{matrix.java}}
     - run: java -version
     - run: .kokoro/dependencies.sh
@@ -61,9 +58,8 @@ jobs:
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v2
+    - uses: actions/setup-java@v1
       with:
-        distribution: zulu
         java-version: 8
     - run: java -version
     - run: .kokoro/build.sh
@@ -76,9 +72,8 @@ jobs:
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v2
+    - uses: actions/setup-java@v1
       with:
-        distribution: zulu
         java-version: 8
     - run: java -version
     - run: .kokoro/build.sh

.kokoro/dependencies.sh

@@ -28,28 +28,7 @@ source ${scriptDir}/common.sh
 java -version
 echo $JOB_TYPE
 
-function determineMavenOpts() {
-  local javaVersion=$(
-    # filter down to the version line, then pull out the version between quotes,
-    # then trim the version number down to its minimal number (removing any
-    # update or suffix number).
-    java -version 2>&1 | grep "version" \
-      | sed -E 's/^.*"(.*?)".*$/\1/g' \
-      | sed -E 's/^(1\.[0-9]\.0).*$/\1/g'
-  )
-
-  case $javaVersion in
-    "17")
-      # MaxPermSize is no longer supported as of jdk 17
-      echo -n "-Xmx1024m"
-      ;;
-    *)
-      echo -n "-Xmx1024m -XX:MaxPermSize=128m"
-      ;;
-  esac
-}
-
-export MAVEN_OPTS=$(determineMavenOpts)
+export MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=128m"
 
 # this should run maven enforcer
 retry_with_backoff 3 10 \