Create copilot-setup-steps.yml (#8)

Author: laeubi

.github/workflows/copilot-setup-steps.yml

@@ -0,0 +1,44 @@
+name: "Copilot Setup Steps"
+
+# Automatically run the setup steps when they are changed to allow for easy validation, and
+# allow manual testing through the repository's "Actions" tab
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+
+jobs:
+    # The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
+  copilot-setup-steps:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          lfs: false
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: 'maven'
+          
+      - name: Set up Maven
+        uses: stCarolas/setup-maven@v5
+        with:
+          maven-version: '3.9.11'
+      - name: Prepare Linux Build
+        run: |
+          sudo apt-get update -qq 
+          sudo apt-get install -qq -y libgtk-3-dev libgtk-4-dev freeglut3-dev webkit2gtk-driver
+          mkdir -p /home/runner/build/gtk && mkdir -p /home/runner/build/tmp
+          
+          echo "cd $GITHUB_WORKSPACE/bundles/org.eclipse.swt && java -Dws=gtk -Darch=x86_64 build-scripts/CollectSources.java -nativeSources '/home/runner/build/gtk'" >> $GITHUB_WORKSPACE/build_gtk.sh
+          echo "cd /home/runner/build/gtk && SWT_JAVA_HOME=${JAVA_HOME} MODEL=x86_64 OUTPUT_DIR=/home/runner/build/tmp ./build.sh install clean" >> $GITHUB_WORKSPACE/build_gtk.sh
+          echo "cd $GITHUB_WORKSPACE" >> $GITHUB_WORKSPACE/build_gtk.sh
+          chmod +x $GITHUB_WORKSPACE/build_gtk.sh
+