helix/flake.nix

104 lines
3.1 KiB
Nix

{
description = "A post-modern text editor.";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = {
self,
nixpkgs,
rust-overlay,
...
}: let
inherit (nixpkgs) lib;
systems = [
"x86_64-linux"
"aarch64-linux"
"x86_64-darwin"
"aarch64-darwin"
];
eachSystem = lib.genAttrs systems;
pkgsFor = eachSystem (system:
import nixpkgs {
localSystem.system = system;
overlays = [(import rust-overlay) self.overlays.helix];
});
gitRev = self.rev or self.dirtyRev or null;
in {
packages = eachSystem (system: {
inherit (pkgsFor.${system}) helix;
/*
The default Helix build. Uses the latest stable Rust toolchain, and unstable
nixpkgs.
The build inputs can be overriden with the following:
packages.${system}.default.override { rustPlatform = newPlatform; };
Overriding a derivation attribute can be done as well:
packages.${system}.default.overrideAttrs { buildType = "debug"; };
*/
default = self.packages.${system}.helix;
});
checks =
lib.mapAttrs (system: pkgs: let
# Get Helix's MSRV toolchain to build with by default.
msrvToolchain = pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
msrvPlatform = pkgs.makeRustPlatform {
cargo = msrvToolchain;
rustc = msrvToolchain;
};
in {
helix = self.packages.${system}.helix.override {
buildType = "debug";
rustPlatform = msrvPlatform;
};
})
pkgsFor;
# Devshell behavior is preserved.
devShells =
lib.mapAttrs (system: pkgs: {
default = let
commonRustFlagsEnv = "-C link-arg=-fuse-ld=lld -C target-cpu=native --cfg tokio_unstable";
platformRustFlagsEnv = lib.optionalString pkgs.stdenv.isLinux "-Clink-arg=-Wl,--no-rosegment";
in
pkgs.mkShell {
inputsFrom = [self.checks.${system}.helix];
nativeBuildInputs = with pkgs;
[
lld
cargo-flamegraph
rust-bin.nightly.latest.rust-analyzer
]
++ (lib.optional (stdenv.isx86_64 && stdenv.isLinux) cargo-tarpaulin)
++ (lib.optional stdenv.isLinux lldb)
++ (lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.CoreFoundation);
shellHook = ''
export RUST_BACKTRACE="1"
export RUSTFLAGS="''${RUSTFLAGS:-""} ${commonRustFlagsEnv} ${platformRustFlagsEnv}"
'';
};
})
pkgsFor;
overlays = {
helix = final: prev: {
helix = final.callPackage ./default.nix {inherit gitRev;};
};
default = self.overlays.helix;
};
};
nixConfig = {
extra-substituters = ["https://helix.cachix.org"];
extra-trusted-public-keys = ["helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs="];
};
}