Create label-hacktoberfest.yml

Signed-off-by: Sachin Chaurasiya <[email protected]>

.github/workflows/label-hacktoberfest.yml

@@ -0,0 +1,52 @@
+name: Label Hacktoberfest PRs
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, edited]
+
+permissions:
+  pull-requests: write
+  issues: read
+  contents: read
+
+jobs:
+  label-hacktoberfest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v3
+
+      - name: Get linked issue number from PR body
+        id: issue-number
+        run: |
+          issue_number=$(echo "${{ github.event.pull_request.body }}" | grep -oE '#[0-9]+' | head -n 1 | tr -d '#')
+          echo "Linked issue number: $issue_number"
+          echo "issue_number=$issue_number" >> $GITHUB_ENV
+
+      - name: Check if linked issue has "hacktoberfest" label
+        id: check-hacktoberfest-label
+        run: |
+          if [ -n "${{ env.issue_number }}" ]; then
+            labels=$(gh issue view ${{ env.issue_number }} --json labels --jq '.labels[].name')
+            echo "Labels on linked issue: $labels"
+            if [[ "$labels" == *"hacktoberfest"* ]]; then
+              echo "Linked issue has 'hacktoberfest' label"
+              echo "label-hacktoberfest=true" >> $GITHUB_ENV
+            else
+              echo "label-hacktoberfest=false" >> $GITHUB_ENV
+            fi
+          else
+            echo "No linked issue found"
+            echo "label-hacktoberfest=false" >> $GITHUB_ENV
+          fi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Add "hacktoberfest" label to PR if linked issue has it
+        if: env.label-hacktoberfest == 'true'
+        uses: actions-ecosystem/action-add-labels@v1
+        with:
+          labels: hacktoberfest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}