chore(do not merge): demo of template files fix

.github/scripts/update_generation_config.sh

@@ -15,8 +15,15 @@ set -e
 function get_latest_released_version() {
     local group_id=$1
     local artifact_id=$2
-    latest=$(curl -s "https://search.maven.org/solrsearch/select?q=g:${group_id}+AND+a:${artifact_id}&core=gav&rows=500&wt=json" | jq -r '.response.docs[] | select(.v | test("^[0-9]+(\\.[0-9]+)*$")) | .v' | sort -V | tail -n 1)
-    echo "${latest}"
+    json_content=$(curl -s "https://search.maven.org/solrsearch/select?q=g:${group_id}+AND+a:${artifact_id}&core=gav&rows=500&wt=json")
+    latest=$(jq -r '.response.docs[] | select(.v | test("^[0-9]+(\\.[0-9]+)*$")) | .v' <<< "${json_content}" | sort -V | tail -n 1)
+    if [[ -z "${latest}" ]]; then
+        echo "The latest version of ${group_id}:${artifact_id} is empty."
+        echo "The returned json from maven.org is invalid: ${json_content}"
+        exit 1
+    else
+        echo "${latest}"
+    fi
 }
 
 # Update a key to a new value in the generation config.

.github/workflows/ci.yaml

@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [8, 11, 17, 21]
+        java: [11, 17, 21]
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-java@v4
@@ -36,7 +36,28 @@ jobs:
     - run: .kokoro/build.sh
       env:
         JOB_TYPE: test
-        JAVA_VERSION: ${{matrix.java}}
+  units-java8:
+    # Building using Java 17 and run the tests with Java 8 runtime
+    name: "units (8)"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          java-version: 8
+          distribution: temurin
+      - name: "Set jvm system property environment variable for surefire plugin (unit tests)"
+        # Maven surefire plugin (unit tests) allows us to specify JVM to run the tests.
+        # https://maven.apache.org/surefire/maven-surefire-plugin/test-mojo.html#jvm
+        run: echo "SUREFIRE_JVM_OPT=-Djvm=${JAVA_HOME}/bin/java" >> $GITHUB_ENV
+        shell: bash
+      - uses: actions/setup-java@v4
+        with:
+          java-version: 17
+          distribution: temurin
+      - run: .kokoro/build.sh
+        env:
+          JOB_TYPE: test
   windows:
     runs-on: windows-latest
     steps:

.github/workflows/renovate_config_check.yaml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   renovate_bot_config_validation:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
 
     steps:
     - name: Checkout code
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v4
       with:
-        node-version: '22'
+        node-version: '20'
 
     - name: Install Renovate and Config Validator
       run: |

.github/workflows/samples.yaml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 8
       - name: Run checkstyle
         run: mvn -P lint --quiet --batch-mode checkstyle:check
         working-directory: samples/snippets

.github/workflows/update_generation_config.yaml

@@ -21,13 +21,14 @@ on:
 
 jobs:
   update-generation-config:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     env:
       # the branch into which the pull request is merged
       base_branch: main
     steps:
     - uses: actions/checkout@v4
       with:
+        fetch-depth: 0
         token: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}
     - name: Update params in generation config to latest
       shell: bash
@@ -36,7 +37,8 @@ jobs:
         [ -z "$(git config user.email)" ] && git config --global user.email "cloud-java-bot@google.com"
         [ -z "$(git config user.name)" ] && git config --global user.name "cloud-java-bot"
         bash .github/scripts/update_generation_config.sh \
-          --base_branch "${base_branch}"\
+          --base_branch "${base_branch}" \
           --repo ${{ github.repository }}
       env:
         GH_TOKEN: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}
+