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nmattia / niv

Easy dependency management for Nix projects
https://github.com/nmattia/niv
MIT License
1.55k stars 77 forks source link

Cache `Box` results #259

Closed nmattia closed 4 years ago

nmattia commented 4 years ago

Some results were fetched way too many times. All IO operations run in updates are now cached. This makes niv effectively twice as fast.

before:

~/niv$ time niv add git git@github.com:nmattia/niv
Adding package niv
  Writing new sources file
Done: Adding package niv

real    0m3.603s
user    0m0.079s
sys     0m0.031s

after:

~/niv$ time niv add git git@github.com:nmattia/niv
Adding package niv
  Writing new sources file
Done: Adding package niv

real    0m1.387s
user    0m0.049s
sys     0m0.007s