jj/flake.nix

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{
description = "Jujutsu VCS, a Git-compatible DVCS that is both simple and powerful";
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inputs = {
# For listing and iterating nix systems
flake-utils.url = "github:numtide/flake-utils";
# For installing non-standard rustc versions
rust-overlay.url = "github:oxalica/rust-overlay";
rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
rust-overlay.inputs.flake-utils.follows = "flake-utils";
};
outputs = { self, nixpkgs, flake-utils, rust-overlay }: {
overlays.default = (final: prev: {
jujutsu = self.packages.${final.system}.jujutsu;
});
} //
(flake-utils.lib.eachDefaultSystem (system:
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let
pkgs = import nixpkgs {
inherit system;
overlays = [
rust-overlay.overlays.default
];
};
filterSrc = src: regexes:
pkgs.lib.cleanSourceWith {
inherit src;
filter = path: type:
let
relPath = pkgs.lib.removePrefix (toString src + "/") (toString path);
in
pkgs.lib.all (re: builtins.match re relPath == null) regexes;
};
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in
{
packages = {
jujutsu = pkgs.rustPlatform.buildRustPackage rec {
pname = "jujutsu";
version = "unstable-${self.shortRev or "dirty"}";
buildNoDefaultFeatures = true;
buildFeatures = [];
cargoBuildFlags = ["--bin" "jj"]; # don't build and install the fake editors
useNextest = true;
src = filterSrc ./. [
".*\\.nix$"
"^.jj/"
"^flake\\.lock$"
"^target/"
];
cargoLock = {
lockFile = ./Cargo.lock;
};
nativeBuildInputs = with pkgs; [
gzip
installShellFiles
makeWrapper
pkg-config
];
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buildInputs = with pkgs; [ openssl zstd libgit2 libssh2 ]
++ lib.optionals stdenv.isDarwin [
darwin.apple_sdk.frameworks.Security
darwin.apple_sdk.frameworks.SystemConfiguration
libiconv
];
ZSTD_SYS_USE_PKG_CONFIG = "1";
LIBSSH2_SYS_USE_PKG_CONFIG = "1";
NIX_JJ_GIT_HASH = self.rev or "";
postInstall = ''
$out/bin/jj util mangen > ./jj.1
installManPage ./jj.1
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installShellCompletion --cmd jj \
--bash <($out/bin/jj util completion --bash) \
--fish <($out/bin/jj util completion --fish) \
--zsh <($out/bin/jj util completion --zsh)
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'';
};
default = self.packages.${system}.jujutsu;
};
apps.default = {
type = "app";
program = "${self.packages.${system}.jujutsu}/bin/jj";
};
checks.jujutsu = self.packages.${system}.jujutsu.overrideAttrs ({ ... }: {
cargoBuildType = "debug";
cargoCheckType = "debug";
preCheck = ''
export RUST_BACKTRACE=1
'';
});
formatter = pkgs.nixpkgs-fmt;
devShells.default = pkgs.mkShell {
buildInputs = with pkgs; [
# Using the minimal profile with explicit "clippy" extension to avoid
# two versions of rustfmt
(rust-bin.stable."1.64.0".minimal.override {
extensions = [
"rust-src" # for rust-analyzer
"clippy"
];
})
# The CI checks against the latest nightly rustfmt, so we should too.
(rust-bin.selectLatestNightlyWith (toolchain: toolchain.rustfmt))
# Foreign dependencies
openssl zstd libgit2 libssh2
pkg-config
# Make sure rust-analyzer is present
rust-analyzer
# Additional tools recommended by contributing.md
cargo-deny
cargo-insta
cargo-nextest
cargo-watch
];
shellHook = ''
export RUST_BACKTRACE=1
export ZSTD_SYS_USE_PKG_CONFIG=1
export LIBSSH2_SYS_USE_PKG_CONFIG=1
'';
};
}));
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}