I had not touched my Hugo version in quite a few years (0.24.x), finally bumped up to latest (0.89.x), and my custom theme broke.
When I go to the main index page, I just see a list that says “posts, pages, json”, each of which is clickable. Clicking the pages also brings me to a list of the correct pages for each type, but no proper formatting. When I click on the actual page or post, it renders correctly.
From looking at the rendered index.html or post lists, it looks as if it simply has ignored the theme (or most of it).
I assume my custom theme has got something wrong, but I am not sure what or how to find it.
hugo returns an exit code of 0, so that is fine, and running
hugo --debug does not give any indications of a problem.
I am doing this both locally and on netlify. FWIW, the full rendered site is here https://618e54e3d1675e6cc5ad5163--blog-atomicinc.netlify.app , and the source is here GitHub - atomicinc/hugoblog: My blog on Hugo
Is there any way for me to have hugo tell me what is upsetting it?
Thanks in advance