[WIP] Implement execute-dir

[asinghvi17]

This PR implements the execute-dir option in project, by cd'ing to the appropriate directory on refresh.

TODOs:

• More reliable way of getting the project root directory
• Tests

[asinghvi17]

This works well enough for my purposes - what would be needed to get it over the finish line?

[MichaelHatherly]

Thanks for looking into this @asinghvi17.

what would be needed to get it over the finish line?

Some tests to verify the new behaviour will be needed.

[MichaelHatherly]

I only see a description of project here, https://quarto.org/docs/projects/code-execution.html#working-dir, not directory. Is that documented elsewhere. It also doesn't mention that you can pass a path, is that described somewhere else?

[asinghvi17]

I just looked this up - Quarto's project file schema defines execute-dir as an enum: [file, project], so we should probably only support those two arguments.

https://github.com/quarto-dev/quarto-cli/blob/6b363d996e31c65826c2e8186c14a5da6019af96/src/resources/schema/project.yml#L16-L24

[codecov]

Codecov Report

Attention: Patch coverage is 12.50000% with 14 lines in your changes missing coverage. Please review.

Project coverage is 50.96%. Comparing base (899d41a) to head (3cffbfb).

Files with missing lines	Patch %	Lines
src/QuartoNotebookWorker/src/refresh.jl	0.00%	14 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #184      +/-   ##
==========================================
- Coverage   51.40%   50.96%   -0.45%     
==========================================
  Files          30       30              
  Lines        1280     1295      +15     
==========================================
+ Hits          658      660       +2     
- Misses        622      635      +13     

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