GitRepo::getRevCount(): Compute revcount in parallel #14462
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For repos with a lot of non-linearity in the commit graph (like Nixpkgs), this speeds up getting the revcount a lot, e.g. `nix flake metadata /path/to/nixpkgs?rev=9dc7035bbee85ffc740d893e02cb64460f11989f` went from 9.1s to 3.7s.
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Ericson2314
approved these changes
Nov 4, 2025
Ericson2314
approved these changes
Nov 4, 2025
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Motivation
For repos with a lot of non-linearity in the commit graph (like Nixpkgs), this speeds up getting the revcount a lot, e.g.
nix flake metadata /path/to/nixpkgs?rev=9dc7035bbee85ffc740d893e02cb64460f11989fwent from 9.1s to 3.7s.Context
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