The culprit turned out to be in the last line of the file where I had this:
Please carefully read the [guidelines for contributing in the `contributing.md`](./contributing.md) file in this repo.
Removing the ./ in front of contributing.md fixed the problem. This was pretty annoying and might bite someone else. If it just reported the correct line of the invalid URL I might have figured out what it didn't like. And for the record, this is a valid URL.
Using the awesome-lint tool, I was getting an issue about an invalid URL on the first line of my README, which only had the standard awesome badge:
The culprit turned out to be in the last line of the file where I had this:
Removing the
./
in front ofcontributing.md
fixed the problem. This was pretty annoying and might bite someone else. If it just reported the correct line of the invalid URL I might have figured out what it didn't like. And for the record, this is a valid URL.I first reported this at awesome-lint and was steered here: https://github.com/sindresorhus/awesome-lint/issues/196