feat(flake): simplify flake template #153
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zimbatm
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Dec 6, 2021
zimbatm
reviewed
Dec 10, 2021
flake.nix
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| flakeTOML = inputs: path: eachSystem (system: | ||
| let pkgs = nixpkgs.legacyPackages.${system}.extend self.overlay; | ||
| in { | ||
| devShell = pkgs.devshell.fromTOML path; |
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Suggested change
| flakeTOML = inputs: path: eachSystem (system: | |
| let pkgs = nixpkgs.legacyPackages.${system}.extend self.overlay; | |
| in { | |
| devShell = pkgs.devshell.fromTOML path; | |
| flakeTOML = nixpkgs: path: eachSystem (system: | |
| let devshell = import ./. { pkgs = nixpkgs.legacyPackages.${system}; } | |
| in { | |
| devShell = devshell.fromTOML path; |
Like this, no new instance of nixpkgs is being created. Each instance adds quite a big overhead to nix evaluation. Composition over inheritance :)
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I liked the idea but it didn't work :(
When run `nix develop it says...
error: package "devshell.cli" not found
Changed PR to draft until we solve this
Should I revert?
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What: Make flake template less verbose
Why: The main focus of project is for non nix users, making template less verbose could reduce friction/fear
How: Add a lib method to flake (like flake-utils) but only for devShell
TODO: Update documentation