Switch spam detection to PR content

Author: iBug

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,6 +2,8 @@
   Thanks for creating a Pull Request! Before you submit, please make sure
   you've done the following:
 
+  - DO NOT submit your own website content.
+    This repository is for the Minimal Mistakes Jekyll theme only.
   - Read the contributing document at https://github.com/mmistakes/minimal-mistakes#contributing
 -->
 
@@ -22,9 +24,5 @@
 ## Context
 
 <!--
-  Is this related to any GitHub issue(s)?
--->
-
-<!--
-  Please confirm that you want to submit this Pull Request to Minimal Mistakes, the free Jekyll theme by Michael Rose, by deleting this comment block.
+  Is this related to any GitHub issue?
 -->

.github/workflows/bad-pr.yml

@@ -12,14 +12,32 @@ jobs:
     permissions:
       pull-requests: write
     runs-on: ubuntu-latest
-    if: "contains(github.event.pull_request.body, 'by deleting this comment block') || github.event.pull_request.body == ''"
     steps:
+      - uses: actions/checkout@v7
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 1
+          persist-credentials: false
+          sparse-checkout: |
+            _config.yml
+      - id: config
+        shell: ruby {0}
+        run: |
+          require "yaml"
+
+          config = YAML.safe_load(File.read("_config.yml"), aliases: true) || {}
+          customized = !config.fetch("url", nil).nil?
+          File.open(ENV.fetch("GITHUB_OUTPUT"), "a") do |file|
+            file.puts("customized=#{customized}")
+          end
       - uses: actions-ecosystem/action-add-labels@v1
+        if: steps.config.outputs.customized == 'false'
         with:
           labels: |
             Type: Invalid
             Type: Spam
       - uses: superbrothers/close-pull-request@v3
+        if: steps.config.outputs.customized == 'false'
         with:
           # Optional. Post an issue comment just before closing a pull request.
           comment: |
@@ -28,7 +46,8 @@ jobs:
               [1]: https://mmistakes.github.io/minimal-mistakes/
               [2]: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/about-pull-requests
       - uses: sudo-bot/action-pull-request-lock@v2
+        if: steps.config.outputs.customized == 'false'
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          github-token: ${{ github.token }}
           number: ${{ github.event.pull_request.number }}
           lock-reason: spam