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helix-plus/flake.nix

172 lines
5.6 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";
};
nci = {
url = "github:yusdacra/nix-cargo-integration";
inputs.nixpkgs.follows = "nixpkgs";
inputs.rust-overlay.follows = "rust-overlay";
};
parts.url = "github:hercules-ci/flake-parts";
};
outputs = inp: let
mkRootPath = rel:
builtins.path {
path = "${toString ./.}/${rel}";
name = rel;
};
filteredSource = let
pathsToIgnore = [
".envrc"
".ignore"
".github"
".gitignore"
"logo.svg"
"logo_dark.svg"
"logo_light.svg"
"rust-toolchain.toml"
"rustfmt.toml"
"runtime"
"screenshot.png"
"book"
"contrib"
"docs"
"README.md"
"CHANGELOG.md"
"shell.nix"
"default.nix"
"grammars.nix"
"flake.nix"
"flake.lock"
];
ignorePaths = path: type: let
inherit (inp.nixpkgs) lib;
# split the nix store path into its components
components = lib.splitString "/" path;
# drop off the `/nix/hash-source` section from the path
relPathComponents = lib.drop 4 components;
# reassemble the path components
relPath = lib.concatStringsSep "/" relPathComponents;
in
lib.all (p: ! (lib.hasPrefix p relPath)) pathsToIgnore;
in
builtins.path {
name = "helix-source";
path = toString ./.;
# filter out unnecessary paths
filter = ignorePaths;
};
in
inp.parts.lib.mkFlake {inputs = inp;} {
imports = [inp.nci.flakeModule];
systems = [
"x86_64-linux"
"x86_64-darwin"
"aarch64-linux"
"aarch64-darwin"
"i686-linux"
];
perSystem = {
config,
pkgs,
lib,
...
}: let
makeOverridableHelix = old: config: let
grammars = pkgs.callPackage ./grammars.nix config;
runtimeDir = pkgs.runCommand "helix-runtime" {} ''
mkdir -p $out
ln -s ${mkRootPath "runtime"}/* $out
rm -r $out/grammars
ln -s ${grammars} $out/grammars
'';
helix-wrapped =
pkgs.runCommand
old.name
{
inherit (old) pname version;
meta = old.meta or {};
passthru =
(old.passthru or {})
// {
unwrapped = old;
};
nativeBuildInputs = [pkgs.makeWrapper];
makeWrapperArgs = config.makeWrapperArgs or [];
}
''
cp -rs --no-preserve=mode,ownership ${old} $out
wrapProgram "$out/bin/hx" ''${makeWrapperArgs[@]} --set HELIX_RUNTIME "${runtimeDir}"
'';
in
helix-wrapped
// {
override = makeOverridableHelix old;
passthru =
helix-wrapped.passthru
// {
wrapper = old: makeOverridableHelix old config;
};
};
stdenv =
if pkgs.stdenv.isLinux
then pkgs.stdenv
else pkgs.clangStdenv;
rustFlagsEnv =
if stdenv.isLinux
then ''$RUSTFLAGS -C link-arg=-fuse-ld=lld -C target-cpu=native -Clink-arg=-Wl,--no-rosegment''
else "$RUSTFLAGS";
in {
# by default NCI adds rust-analyzer component, but helix toolchain doesn't have rust-analyzer
nci.toolchains.shell.components = ["rust-src" "rustfmt" "clippy"];
nci.projects."helix-project".relPath = "";
nci.crates."helix-term" = {
overrides = {
add-meta.override = _: {meta.mainProgram = "hx";};
add-inputs.overrideAttrs = prev: {
buildInputs = (prev.buildInputs or []) ++ [stdenv.cc.cc.lib];
};
disable-grammar-builds = {
# disable fetching and building of tree-sitter grammars in the helix-term build.rs
HELIX_DISABLE_AUTO_GRAMMAR_BUILD = "1";
};
disable-tests = {checkPhase = ":";};
set-stdenv.override = _: {inherit stdenv;};
set-filtered-src.override = _: {src = filteredSource;};
};
};
packages.helix-unwrapped = config.nci.outputs."helix-term".packages.release;
packages.helix-unwrapped-dev = config.nci.outputs."helix-term".packages.dev;
packages.helix = makeOverridableHelix config.packages.helix-unwrapped {};
packages.helix-dev = makeOverridableHelix config.packages.helix-unwrapped-dev {};
packages.default = config.packages.helix;
devShells.default = config.nci.outputs."helix-project".devShell.overrideAttrs (old: {
nativeBuildInputs =
(old.nativeBuildInputs or [])
++ (with pkgs; [lld_13 cargo-flamegraph rust-analyzer])
++ (lib.optional (stdenv.isx86_64 && stdenv.isLinux) pkgs.cargo-tarpaulin)
++ (lib.optional stdenv.isLinux pkgs.lldb)
++ (lib.optional stdenv.isDarwin pkgs.darwin.apple_sdk.frameworks.CoreFoundation);
shellHook = ''
export HELIX_RUNTIME="$PWD/runtime"
export RUST_BACKTRACE="1"
export RUSTFLAGS="${rustFlagsEnv}"
'';
});
};
};
nixConfig = {
extra-substituters = ["https://helix.cachix.org"];
extra-trusted-public-keys = ["helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs="];
};
}