89 lines
2.9 KiB
Nix
89 lines
2.9 KiB
Nix
{
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description = "Recount's server/backend, written in Go";
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# Nixpkgs / NixOS version to use.
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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templ.url = "github:a-h/templ";
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};
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outputs = { self, nixpkgs, templ }:
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let
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# Generate a user-friendly version number.
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version = builtins.substring 0 8 self.lastModifiedDate;
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# System types to support.
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supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
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# Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
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forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
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# Nixpkgs instantiated for supported system types.
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nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
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templ_function = system: templ.packages.${system}.templ;
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in
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{
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# Provide some binary packages for selected system types.
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packages = forAllSystems (system:
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let
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inherit system;
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pkgs = nixpkgsFor.${system};
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in
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{
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# The default package for 'nix build'. This makes sense if the
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# flake provides only one package or there is a clear "main"
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# package.
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default = pkgs.buildGoModule {
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pname = "recount-server";
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inherit version;
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preBuild = ''
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${templ_function system}/bin/templ generate
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'';
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# In 'nix develop', we don't need a copy of the source tree
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# in the Nix store.
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src = ./.;
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# This hash locks the dependencies of this package. It is
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# necessary because of how Go requires network access to resolve
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# VCS. See https://www.tweag.io/blog/2021-03-04-gomod2nix/ for
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# details. Normally one can build with a fake sha256 and rely on native Go
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# mechanisms to tell you what the hash should be or determine what
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# it should be "out-of-band" with other tooling (eg. gomod2nix).
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# To begin with it is recommended to set this, but one must
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# remeber to bump this hash when your dependencies change.
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#vendorSha256 = pkgs.lib.fakeSha256;
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vendorSha256 = "sha256-pQpattmS9VmO3ZIQUFn66az8GSmB4IvYhTTCFn6SUmo=";
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};
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});
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# nix run
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apps = forAllSystems (system: {
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default = {
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type = "app";
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program = "${self.packages.${system}.default}/bin/recount-server";
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};
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});
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devShells = forAllSystems (system:
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let
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inherit system;
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pkgs = nixpkgsFor.${system};
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in {
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default = pkgs.mkShell {
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buildInputs = with pkgs; [
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air # live go app reloading
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go
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gopls
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gotools
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go-tools
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(templ_function system)
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];
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};
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});
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};
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}
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