Merge pull request #6 from Kaveri-Jeevanantham/feature/github-gitlab-pipeline-setup

feat(ci): Add GitHub to GitLab sync workflow.

Author: Kaveri-Jeevanantham

.github/workflows/sync-github-to-gitlab.yml

@@ -0,0 +1,45 @@
+name: Sync GitHub to GitLab
+on:
+  push:
+    branches:
+      - main
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      # Step 1: Checkout GitHub repository with full history
+      - name: Checkout GitHub Repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0  # Fetch the full history to ensure full context
+      # Step 2: Configure Git identity
+      - name: Configure Git Identity
+        run: |
+          git config --global user.name "GitHub Actions Bot"
+          git config --global user.email "kelumalai@presidio.com"
+      # Step 3: Setup SSH for GitLab
+      - name: Setup SSH for GitLab
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.GITLAB_SSH_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H gitlab.presidio.com >> ~/.ssh/known_hosts
+      # Step 4: Add GitLab remote
+      - name: Add GitLab remote
+        run: git remote add gitlab git@gitlab.presidio.com:hai-build/specif-ai-github.git
+      # Step 5: Fetch GitLab branch
+      - name: Fetch GitLab branch
+        run: git fetch gitlab main || true  # Ensure GitLab branch is fetched
+      # Step 6: Reconcile Divergent Histories
+      - name: Reconcile Divergent Histories
+        run: |
+          # Checkout the current branch
+          git checkout main
+          
+          # Merge GitLab branch into GitHub branch, allowing unrelated histories
+          git merge gitlab/main --allow-unrelated-histories --strategy-option=theirs || true
+          # Force push to GitLab if necessary
+          git push gitlab main || git push --force gitlab main
+      # Step 7: Push Final Changes
+      - name: Push Final Changes
+        run: git push gitlab main