Setup:

1. Markdown includes a shortcode
2. The shortcode calls a partial
3. The partial contains text

Action:

1. Start hugo server
2. Add some text to the partial

What happens:

1. The change is detected
2. The site is rebuilt
3. The rendered page is not updated in the browser

Reference: https://discourse.gohugo.io/t/34122

To reproduce:

git clone --single-branch -b hugo-github-issue-8863 https://github.com/jmooring/hugo-testing hugo-github-issue-8863
cd hugo-github-issue-8863
hugo server

Visit http://localhost:1313/post/test/

Then, in a separate terminal:

echo "xxx" >> layouts/partials/foo.html