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Merge pull request #9111 from fricklerhandwerk/impure-constants

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document that pure-eval also disables `builtins.nixPath`
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John Ericson 2023-10-09 11:04:47 -04:00 committed by GitHub
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src/libexpr/eval-settings.hh
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@ -40,7 +40,10 @@ struct EvalSettings : Config
Pure evaluation mode ensures that the result of Nix expressions is fully determined by explicitly declared inputs, and not influenced by external state: Pure evaluation mode ensures that the result of Nix expressions is fully determined by explicitly declared inputs, and not influenced by external state:
- Restrict file system and network access to files specified by cryptographic hash - Restrict file system and network access to files specified by cryptographic hash
- Disable [`bultins.currentSystem`](@docroot@/language/builtin-constants.md#builtins-currentSystem) and [`builtins.currentTime`](@docroot@/language/builtin-constants.md#builtins-currentTime) - Disable impure constants:
- [`bultins.currentSystem`](@docroot@/language/builtin-constants.md#builtins-currentSystem)
- [`builtins.currentTime`](@docroot@/language/builtin-constants.md#builtins-currentTime)
- [`builtins.nixPath`](@docroot@/language/builtin-constants.md#builtins-nixPath)
)" )"
}; };