mirror of
https://github.com/NixOS/nixpkgs.git
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7d5716c800
This uses the reusable pinned Nixpkgs from the parent commit to create a
shell.nix file for an environment with a pinned nixfmt version.
(cherry picked from commit a70ab58960)
31 lines
812 B
Nix
31 lines
812 B
Nix
# A shell to get tooling for Nixpkgs development
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#
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# Note: We intentionally don't use Flakes here,
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# because every time you change any file and do another `nix develop`,
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# it would create another copy of the entire ~500MB tree in the store.
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# See https://github.com/NixOS/nix/pull/6530 for the future
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{
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system ? builtins.currentSystem,
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}:
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let
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pinnedNixpkgs = builtins.fromJSON (builtins.readFile ci/pinned-nixpkgs.json);
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nixpkgs = fetchTarball {
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url = "https://github.com/NixOS/nixpkgs/archive/${pinnedNixpkgs.rev}.tar.gz";
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sha256 = pinnedNixpkgs.sha256;
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};
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pkgs = import nixpkgs {
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inherit system;
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config = {};
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overlays = [];
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};
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in
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pkgs.mkShellNoCC {
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packages = [
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# The default formatter for Nix code
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# https://github.com/NixOS/nixfmt
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pkgs.nixfmt-rfc-style
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];
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}
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