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chore: remove duplicated content

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Ryan Yin 2023-07-03 17:56:28 +08:00 committed by GitHub
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docs/nixos-with-flakes/downgrade-or-upgrade-packages.md
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@ -86,6 +86,4 @@ And then refer to the packages from `pkgs-stable` or `pkgs-fd40cef8d` in your su
After adjusting the configuration, deploy it with `sudo nixos-rebuild switch`. This will downgrade your Firefox/Chrome/VSCode to the version corresponding to `nixpkgs-stable` or `nixpkgs-fd40cef8d`.
According to [1000 instances of nixpkgs](https://discourse.nixos.org/t/1000-instances-of-nixpkgs/17347), it's not a good practice to use `import` in submodules to customize `nixpkgs`. Each `import` creates a new instance of nixpkgs, which increases build time and memory usage as the configuration grows. To avoid this problem, we create all nixpkgs instances in `flake.nix`.
> according to [1000 instances of nixpkgs](https://discourse.nixos.org/t/1000-instances-of-nixpkgs/17347), it's not a good practice to use `import` in sub modules to customize `nixpkgs`, because each `import` will create a new instance of nixpkgs, which will increase the build time and memory usage as the configuration grows. So here we create all nixpkgs instances in `flake.nix` to avoid this problem.
>According to [1000 instances of nixpkgs](https://discourse.nixos.org/t/1000-instances-of-nixpkgs/17347), it's not a good practice to use `import` in submodules to customize `nixpkgs`. Each `import` creates a new instance of nixpkgs, which increases build time and memory usage as the configuration grows. To avoid this problem, we create all nixpkgs instances in `flake.nix`.