build: pr triage

.github/workflows/pr-triage.yaml

@@ -0,0 +1,55 @@
+name: "Pull Request Triage"
+on:
+  # NB: using `pull_request_target` runs this in the context of
+  # the base repository, so it has permission to upload to the checks API.
+  # This means changes won't kick in to this file until merged onto the
+  # main branch.
+  pull_request_target:
+    types: [ opened, edited, reopened, synchronize ]
+
+permissions:
+  contents: read
+  pull-requests: write
+  issues: write
+
+jobs:
+  triage:
+    name: "Triage Pull Request"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v4
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+      - uses: codelytv/pr-size-labeler@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          xs_label: 'size/xs'
+          xs_max_size: '15'
+          s_label: 'size/s'
+          s_max_size: '100'
+          m_label: 'size/m'
+          m_max_size: '500'
+          l_label: 'size/l'
+          l_max_size: '1000'
+          xl_label: 'size/xl'
+          fail_if_xl: 'false'
+          message_if_xl: >
+            This PR exceeds the recommended size of 1000 lines.
+            Please make sure you are NOT addressing multiple issues with one PR.
+            Note this PR might be rejected due to its size.
+          files_to_ignore: ''
+#       - name: "Check for PR body length"
+#         shell: bash
+#         env:
+#           PR_BODY: ${{ github.event.pull_request.body }}
+#         run: |
+#             if [ ${#PR_BODY} -lt 80 ]; then
+#               echo "::error title=PR body is too short::Your PR is probably isn't descriptive enough.\nYou should give a description that highlights both what you're doing it and *why* you're doing it. Someone reading the PR description without clicking any issue links should be able to roughly understand what's going on."
+#               exit 1
+#             fi
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          disallowScopes: |
+            release