Github Actions Added to Block PRs from fork/main branch (#5272)

jaegertracing · Mar 14, 2024 · b990fe9 · b990fe9
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diff --git a/.github/actions/block-pr-not-on-main/action.yml b/.github/actions/block-pr-not-on-main/action.yml
@@ -0,0 +1,17 @@
+name: 'block-pr-not-on-main'
+description: 'Blocks PRs from main branch of forked repository'
+runs:
+  using: "composite"
+  steps:
+    - name: Ensure PR is not on main branch
+      shell: bash
+      run: |
+        echo "Repo: ${{ github.repository }}"
+        echo "Head Repo: ${{ github.event.pull_request.head.repo.full_name }}"
+        echo "Forked: ${{ github.event.pull_request.head.repo.fork }}"
+        echo "Branch: ${{ github.event.pull_request.head.ref }}"
+
+        if [ "${{ github.event.pull_request.head.repo.fork }}" == "true" ] && [ "${{ github.event.pull_request.head.ref }}" == 'main' ]; then
+          echo "PRs from the main branch of forked repositories are not allowed."
+          exit 1
+        fi
diff --git a/.github/workflows/ci-lint-checks.yaml b/.github/workflows/ci-lint-checks.yaml
@@ -35,3 +35,6 @@ jobs:
 
     - name: Lint
       run: make lint
+
+    - name: Ensure PR is not on main branch
+      uses: ./.github/actions/block-pr-not-on-main