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With Cargo 1.68.0, sparse registries were made stable. With sparse registries, index metadata is stored in an HTTP api rather than in a git repository. As relevant to Crane, the relevant changes are mostly that registries do not always start with `registry+` and mostly start with `registry+` or `sparse+` depending on whether the registry is sparse or not. This PR adjusts the core of Crane to differentiate between `registry` and `sparse`, and adds a new sparse registry factory to make things easy. --------- Co-authored-by: Ivan Petkov <ivanppetkov@gmail.com>
105 lines
3.7 KiB
Nix
105 lines
3.7 KiB
Nix
{
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description = "Build a cargo project with alternative crate registries";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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crane = {
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url = "github:ipetkov/crane";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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flake-utils = {
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url = "github:numtide/flake-utils";
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};
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};
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outputs = { self, nixpkgs, crane, flake-utils, ... }:
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = import nixpkgs {
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inherit system;
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};
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craneLibOrig = crane.lib.${system};
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craneLib = craneLibOrig.appendCrateRegistries [
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# Automatically infer the download URL from the registry's index
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#
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# Note that this approach requires checking out the full index at the specified revision
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# and adding a copy to the Nix store.
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#
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# Also note that the specified git revision _does not need to track updates to the index
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# itself_ as long as the pinned revision contains the most recent version of the
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# registry's `config.json` file. In other words, this commit revision only needs to be
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# updated if the `config.json` file changes the download endpoint for this registry.
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(craneLibOrig.registryFromGitIndex {
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indexUrl = "https://github.com/Hirevo/alexandrie-index";
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rev = "90df25daf291d402d1ded8c32c23d5e1498c6725";
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fetchurlExtraArgs = {
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# Extra parameters which will be passed to the fetchurl invocation for each crate
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};
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})
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# If the registry in question is a sparse index, instead configure as
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(craneLibOrig.registryFromSparse {
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indexUrl = "https://index.crates.io";
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configSha256 = "d16740883624df970adac38c70e35cf077a2a105faa3862f8f99a65da96b14a3";
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fetchurlExtraArgs = {
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# Extra parameters which will be passed to the fetchurl invocation for each crate
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};
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})
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# where the sha256 is the sha256 of https://index.crates.io/config.json.
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# As a more lightweight alternative, the `dl` endpoint of the registry's `config.json`
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# file can be copied here to avoid needing to copy the index to the Nix store.
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# (craneLibOrig.registryFromDownloadUrl {
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# indexUrl = "https://github.com/Hirevo/alexandrie-index";
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# dl = "https://crates.polomack.eu/api/v1/crates/{crate}/{version}/download";
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# fetchurlExtraArgs = {
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# # Extra parameters which will be passed to the fetchurl invocation for each crate
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# };
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# })
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];
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my-crate = craneLib.buildPackage {
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src = craneLib.cleanCargoSource (craneLib.path ./.);
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buildInputs = [
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# Add additional build inputs here
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] ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
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# Additional darwin specific inputs can be set here
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pkgs.libiconv
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pkgs.darwin.apple_sdk.frameworks.Security
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];
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# Specific to our example, but not always necessary in the general case.
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nativeBuildInputs = with pkgs; [
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pkg-config
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openssl
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];
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};
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in
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{
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checks = {
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# Build the crate as part of `nix flake check` for convenience
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inherit my-crate;
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};
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packages.default = my-crate;
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apps.default = flake-utils.lib.mkApp {
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drv = my-crate;
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};
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devShells.default = pkgs.mkShell {
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inputsFrom = builtins.attrValues self.checks.${system};
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# Extra inputs can be added here
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nativeBuildInputs = with pkgs; [
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cargo
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rustc
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];
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};
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});
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}
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