[Build] Add GH workflow build for aggregator

.github/workflows/ci.yml

@@ -0,0 +1,20 @@
+name: Continuous Integration
+concurrency: 
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    uses: ./.github/workflows/mavenBuild.yml
+    with:
+      maven-goals: clean verify -Pjavadoc -DskipTests -Dcbi-ecj-version=99.99
+      submodules: true
+      extra-setup: |
+        git submodule update --remote
+        mvn clean install -U -pl :eclipse-sdk-prereqs,:org.eclipse.jdt.core.compiler.batch -DlocalEcjVersion=99.99

.github/workflows/mavenBuild.yml

@@ -15,6 +15,11 @@ on:
         type: string
         required: false
         default: 'false'
+      extra-setup:
+        description: Optional command executed initially to perform additional setup of the build environment
+        type: string
+        required: false
+        default: ''
       mavenVersion:
         description: 'The version of Maven set up'
         type: string
@@ -58,6 +63,8 @@ jobs:
 
     name: Verify ${{ matrix.config.name }}
     steps:
+    - name: Enable git longpaths
+      run: git config --global core.longpaths true
     - name: Checkout
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
@@ -87,6 +94,11 @@ jobs:
       uses: eclipse-platform/eclipse.platform.releng.aggregator/.github/actions/install-maven-parent-action@master
       if : inputs.without-EF-infra
 
+    - name: Additional setup
+      if: inputs.extra-setup
+      run: |
+        ${{ inputs.extra-setup }}
+
     - name: Build with Maven
       run: >-
         ${{ runner.os == 'Linux' && 'xvfb-run' || '' }}