Is there a way to have WARNING flags on mkdocs build (or serve) raise an error code?

[Andrew-S-Rosen]

In my GitHub Actions suite, I run mkdocs build to build my documentation. I would like it to raise an error code when any WARNING flags are present so that the build action can fail. Is this something that can currently be done?

[kamilkrzyskow]

Hello @Andrew-S-Rosen,
What do you mean by WARNING flags?
The --strict (-s) flag should stop execution on any warning that is logged in MkDocs. mkdocs build --strict
You can also look at https://www.mkdocs.org/user-guide/configuration/#validation to specify the logging level for different issues with url lookup and use it together with the above.

[Andrew-S-Rosen]

Thank you, @kamilkrzyskow! You answered my question. What I meant was that when you run mkdocs build, sometimes a WARNING in the logs will appear in the stdout, and I wanted to ensure that if it did it would terminate. I wasn't sure if I should be looking here or at mkdocs, but I now see that it's in mkdocs. Thank you!