test_and_deploy.yml

name: Build, Test, and Deploy

on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
  push:
    branches:
      - master

jobs:
  check-rebase:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Ensure full history is fetched

      - name: Add upstream remote
        run: |
          # Add the upstream repository (base repo)
          echo "Adding upstream remote..."
          git remote add upstream https://github.com/siemens/ngx-datatable.git
          git fetch upstream
          echo "Upstream remote added and fetched."

      - name: Fetch PR Branch from Fork
        run: |
          echo "Fetching PR branch from fork..."
          git fetch origin pull/${{ github.event.pull_request.number }}/head:${{ github.head_ref }}
          echo "Fetched PR branch: ${{ github.head_ref }}"

      - name: Attach to PR Branch
        run: |
          echo "Checking out the PR branch: ${{ github.head_ref }}"
          git checkout ${{ github.head_ref }}
          echo "Checked out branch: ${{ github.head_ref }}"

      - name: Fetch the latest upstream master (or main) branch
        run: |
          echo "Fetching latest master from upstream..."
          git fetch upstream master  # or main if that's your default branch
          echo "Fetched latest master branch from upstream."

      - name: Check if PR branch is rebased onto master
        run: |
          UPSTREAM=master  # Use 'main' if your default branch is named 'main'
          echo "Target upstream branch: $UPSTREAM"
          
          # Get the current and merged commit hashes
          CURRENT=$(git rev-parse HEAD)
          MERGED=$(git merge-base HEAD upstream/$UPSTREAM)
          
          echo "Current commit hash: $CURRENT"
          echo "Merged commit hash: $MERGED"

          # Check if the PR branch contains commits not part of master
          # Use git log to check for commits in the PR branch that are not in upstream/master
          PR_COMMITS=$(git log upstream/$UPSTREAM..HEAD --oneline)
          
          if [ -n "$PR_COMMITS" ]; then
            echo "This branch contains additional commits that are intended for merging into $UPSTREAM."
            echo "Ignoring these commits as they are already part of the intended changes."
          else
            echo "Branch is up-to-date with $UPSTREAM."
          fi
          
          # Proceed with checking if the PR branch is based on the latest master
          if [ "$MERGED" != "$CURRENT" ]; then
            echo "This branch is not rebased with the latest $UPSTREAM."
            echo "Run 'git rebase upstream/$UPSTREAM' locally to fix this."
            exit 1
          else
            echo "Branch is rebased and up-to-date with $UPSTREAM."
          fi

  build:
    needs: check-rebase
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set Node Version
        uses: actions/setup-node@v4
        with:
          node-version: lts/iron

      - name: Set the branch name
        id: set_branch
        run: |
          BRANCH_NAME=${{ github.head_ref }}
          echo "Branch name is: $BRANCH_NAME"

          # Check for remote branch
          REMOTE_BRANCH=$(git ls-remote --heads https://$SNAPSHOT_REPO_TOKEN@github.com/chintankavathia/ngx-datatable-snapshots.git $BRANCH_NAME)

          echo "Remote branch lookup result: $REMOTE_BRANCH"

          if [ -n "$REMOTE_BRANCH" ]; then
            echo "Branch $BRANCH_NAME exists"
            echo "branch=$BRANCH_NAME" >> $GITHUB_ENV
          else
            echo "Branch $BRANCH_NAME does not exist, defaulting to main"
            echo "branch=main" >> $GITHUB_ENV
          fi

      - name: Clone Snapshot Repository
        run: |
          git clone https://$SNAPSHOT_REPO_TOKEN@github.com/chintankavathia/ngx-datatable-snapshots.git temp_snapshots
          cd temp_snapshots
          git checkout ${{ env.branch }}
        env:
          SNAPSHOT_REPO_TOKEN: ${{ secrets.SNAPSHOT_REPO_TOKEN }}

      - name: Copy Snapshots to Playwright Folder
        run: |
          mkdir -p playwright/snapshots
          cp -r temp_snapshots/snapshots/e2e playwright/snapshots/
          rm -rf temp_snapshots

      - name: Install
        uses: bahmutov/npm-install@v1

      - name: Build and package library
        run: |
          npm run package --if-present
        env:
          CI: true

      - name: Format
        run: |
          npm run format:check --if-present
        env:
          CI: true

      - name: Build
        run: |
          npm run build --if-present
        env:
          CI: true

      - name: Test
        run: |
          npm run ci --if-present
        env:
          CI: true

      - name: E2E Prepare
        run: |
          npm run e2e:prepare --if-present
        env:
          CI: true

      - name: E2E
        run: |
          npm run vrt --if-present
        env:
          CI: true

      - name: Build Docs
        run: |
          npm run build-docs --if-present
        env:
          CI: true

      - name: Deploy Docs
        uses: JamesIves/github-pages-deploy-action@4.1.5
        with:
          branch: gh-pages
          folder: dist/ngx-datatable
        if: ${{ github.ref == 'refs/heads/master' }}