986 input validation for directory names

[atravitz]

addresses #986

Checklist

• Added a news entry

Developers certificate of origin

• I certify that this contribution is covered by the MIT License here and the Developer Certificate of Origin at https://developercertificate.org/.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.84%. Comparing base (cb25ce5) to head (6d46678).
Report is 147 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1024   +/-   ##
=======================================
  Coverage   92.83%   92.84%           
=======================================
  Files         134      134           
  Lines        9961     9973   +12     
=======================================
+ Hits         9247     9259   +12     
  Misses        714      714           

Flag	Coverage Δ
fast-tests	92.84% <100.00%> (+<0.01%)	⬆️

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[IAlibay]

This looks good to me, just a bit more documentation would be great though!

[IAlibay]

Thanks, lgtm!

[github-actions]

🚨 API breaking changes detected! 🚨

[github-actions]

🚨 API breaking changes detected! 🚨