fix: avoid reading a file concurrently

[hasundue]

No description provided.

[codecov]

Codecov Report

Attention: 24 lines in your changes are missing coverage. Please review.

Comparison is base (7c26162) 82.29% compared to head (e1b91a7) 83.83%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #66      +/-   ##
==========================================
+ Coverage   82.29%   83.83%   +1.54%     
==========================================
  Files          17       19       +2     
  Lines         689      730      +41     
  Branches       91       92       +1     
==========================================
+ Hits          567      612      +45     
+ Misses        122      116       -6     
- Partials        0        2       +2     

Files	Coverage Δ
lib/git.ts	83.15% <100.00%> (ø)
lib/std/collections.ts	100.00% <100.00%> (ø)
lib/std/fs.ts	100.00% <100.00%> (ø)
lib/std/streams.ts	100.00% <100.00%> (ø)
lib/std/testing.ts	100.00% <100.00%> (ø)
lib/file.ts	97.97% <98.73%> (+0.41%)	⬆️
lib/dependency.ts	71.65% <75.86%> (-0.53%)	⬇️
lib/testing.ts	76.47% <80.95%> (-0.13%)	⬇️
lib/update.ts	87.85% <65.21%> (+1.54%)	⬆️

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