Add conditions to close certain spammy PRs in OS repo (#54752)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>

Author: 3 people

.github/workflows/check-for-spammy-prs.yml

@@ -0,0 +1,45 @@
+name: Close certain spammy PRs
+
+# **What it does**: This action closes spammy pull requests in the open-source repository that have the title 'Revert "Repo sync" or contain an empty commit.
+# **Why we have it**: We get lots of spam in the open-source repository.
+# **Who does it impact**: Open-source contributors.
+
+on:
+  # Needed in lieu of `pull_request` so that PRs from a fork can be
+  # closed when marked as invalid.
+  pull_request_target:
+    types: [opened]
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+  close_empty_pr:
+    if: github.repository == 'github/docs'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Get PR details
+        id: pr_details
+        uses: octokit/request-action@v2
+        with:
+          route: GET /repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}
+          mediaType: '{"accept":"application/vnd.github.v3+json"}'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Save output to a file and then to environment
+        run: |
+          echo "${{ steps.pr_details.outputs.data }}" > pr_details.json
+          echo "files_count=$(jq --arg pr_details.json)" >> $GITHUB_ENV
+
+      - name: Add invalid label to PR if no files are changed
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        if: github.event.pull_request.title == 'Revert "Repo sync"' || env.files_count.changed_files == '0'
+        run: gh issue edit "${{ github.event.pull_request.number }}" --add-label "invalid"

.github/workflows/close-on-invalid-label.yaml

@@ -19,7 +19,7 @@ permissions:
 
 jobs:
   close-if-invalid:
-    if: github.repository == 'github/docs' && (github.event.label.name == 'invalid' || github.event.pull_request.title == 'Revert "Repo sync"')
+    if: github.repository == 'github/docs' && github.event.label.name == 'invalid'
     runs-on: ubuntu-latest
 
     steps:

src/workflows/tests/actions-workflows.ts

@@ -8,7 +8,7 @@ import { flatten } from 'flat'
 import { chain, get } from 'lodash-es'
 
 const githubOwnedActionsRegex =
-  /^(actions\/(cache|checkout|download-artifact|upload-artifact)@v\d+(\.\d+)*)$/
+  /^(actions\/(cache|checkout|download-artifact|upload-artifact)@v\d+(\.\d+)*)|(octokit\/(request-action)@v\d+(\.\d+)*)$/
 const actionHashRegexp = /^[A-Za-z0-9-/]+@[0-9a-f]{40}$/
 const checkoutRegexp = /^[actions/checkout]+@(v\d+(\.\d+)*|[0-9a-f]{40})$/
 const permissionsRegexp = /(read|write)/