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shell.nix: Add update-sources script

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Simon Bruder 2020-12-13 16:02:55 +01:00
parent 208922d9f9
commit d5cd67a5f2
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1 changed files with 12 additions and 1 deletions
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13
shell.nix
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@ -10,12 +10,23 @@ let
nixpkgs-fmt.enable = true; nixpkgs-fmt.enable = true;
}; };
}; };
update-sources = pkgs.writeShellScriptBin "update-sources" ''
set -e
git diff --exit-code -s nix/sources.json || (echo "File nix/sources.json has unstaged changes, refusing to update." >&2 && exit 1)
git diff --cached --exit-code -s nix/sources.json || (echo "File nix/sources.json has staged changes, refusing to update." >&2 && exit 1)
niv update
git diff --exit-code -s nix/sources.json && echo "Already up to date." && exit 0
git commit -m "Update sources" nix/sources.json
'';
in in
pkgs.mkShell { pkgs.mkShell {
nativeBuildInputs = with pkgs; [ nativeBuildInputs = (with pkgs; [
git git
niv niv
nixpkgs-fmt nixpkgs-fmt
]) ++ [
update-sources
]; ];
shellHook = '' shellHook = ''
${pre-commit-check.shellHook} ${pre-commit-check.shellHook}