[Feature Request] Overrideable settings in docfx.json

[CaseyHofland]

Is your feature request related to a problem? Please describe.
I am creating a github action that does most of the heavy docfx lifting. However, I would like users to specify a file (e.g. projectMetadata.json) in which they can override docfx settings.

Describe the solution you'd like
Something like an "overwrite" in the docfx.json in which I can specify files e.g. projectMetadata.json to overwrite docfx settings.

Describe alternatives you've considered
Doing it manually using command line arguments inside the github action.

Additional context
Sorry guys it's me again, this is the last feature I need I swear then I've hit all my goals.

[yufeih]

The globalMetadataFiles config in docfx.json allows you to provide global metadata from a different file. It can override metadata not but other configs. Does that work for you?

[CaseyHofland]

I tried that and it seems like it should work... but it doesn't.

I've added "globalMetadataFiles": ["manual/projectMetadata.json"], inside my build property and the file looks like this:

{
    "_appTitle": "Something Really Stupid",
    "_enableSearch": "false"
}

But search is still enabled and the app title is not Something Really Stupid.

Here is the docfx.json (though the syntax should be fine).
docfx.txt

Edit 2:
The cache resets fine, so that turned out to be have nothing to do with it, and I can confidently say that the docfx.json works, it's just the globalMetadataFiles that's not working for me.