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flake.nix
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flake.nix
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{
description = "A collection of Nix flake templates for development.";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/release-24.05";
};
outputs =
{ self, nixpkgs }:
let
overlays = [
(
final: prev:
let
pkgs = prev;
exec = pkg: "${prev.${pkg}}/bin/${pkg}";
in
{
format = prev.writeScriptBin "format" ''
${pkgs.nixfmt-rfc-style}/bin/nixfmt *
'';
update = prev.writeScriptBin "update" ''
for dir in `ls -d */*`; do # Iterate through all the templates
(
cd $dir
${exec "nix"} flake update # Update flake.lock
${exec "nix"} flake check # Make sure things work after the update
)
done
'';
dvt = prev.writeScriptBin "dvt" ''
if [ -z $1 ]; then
echo "no template specified"
exit 1
fi
TEMPLATE=$1
${exec "nix"} \
--experimental-features 'nix-command flakes' \
flake init \
--template \
"github:c4710n/nix-dev-templates#''${TEMPLATE}"
'';
}
)
];
supportedSystems = [
"x86_64-linux"
"aarch64-linux"
"x86_64-darwin"
"aarch64-darwin"
];
forEachSupportedSystem =
f:
nixpkgs.lib.genAttrs supportedSystems (
system: f { pkgs = import nixpkgs { inherit system overlays; }; }
);
in
{
devShells = forEachSupportedSystem (
{ pkgs }:
{
default = pkgs.mkShell {
packages = with pkgs; [
format
update
];
};
}
);
packages = forEachSupportedSystem (
{ pkgs }:
rec {
default = dvt;
inherit (pkgs) dvt;
}
);
}
//
{
templates = {
shell = {
path = ./shell/general;
description = "Shell development environment";
};
elixir = {
path = ./elixir/general;
description = "Elixir development environment";
};
elixir-library = {
path = ./elixir/library;
description = "Elixir development environment for library";
};
elixir-phoenix = {
path = ./elixir/phoenix;
description = "Elixir development environment for Phoenix project";
};
python = {
path = ./python/general;
description = "Python development environment";
};
};
};
}