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feat: nix repl -f flake:nixpkgs
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## Debugging with `nix repl`
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> NOTE: If you have disabled `NIX_PATH`, you won't be able to use syntax like `<nixpkgs>`. Instead, you should use `nix repl -f flake:nixpkgs` to load nixpkgs.
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We have frequently used nix repl `<nixpkgs>` throughout this guide to examine the source code. It is a powerful tool that helps us understand how things work in Nix.
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Let's take a closer look at the help message of nix repl:
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## 通过 `nix repl` 查看源码、调试配置
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> 注:如果你禁用了 `NIX_PATH`,那么 `<nixpkgs>` 这样的语法将无法使用,你需要改用 `nix repl -f flake:nixpkgs` 来加载 nixpkgs。
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前面我们已经使用 `nix repl '<nixpkgs>'` 看过很多次源码了,这是一个非常强大的工具,可以帮助我们理解 Nix 的工作原理。
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要学会用 `nix repl`,最好先看看它的 help 信息:
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