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Cache calls to GitRepo::getWorkdirInfo()

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A command like `nix flake metadata` was causing about 4 calls to
getWorkdirInfo(), which is slow for large repos (even when they're not
dirty).
This commit is contained in:
Eelco Dolstra 2024-12-04 13:56:03 +01:00
parent f469bc2ae4
commit 7ba933e989
3 changed files with 17 additions and 1 deletions
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2
src/libfetchers/git-utils.hh
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@ -70,6 +70,8 @@ struct GitRepo
virtual WorkdirInfo getWorkdirInfo() = 0;
static WorkdirInfo getCachedWorkdirInfo(const std::filesystem::path & path);
/* Get the ref that HEAD points to. */
virtual std::optional<std::string> getWorkdirRef() = 0;