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nix: clean up flake

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- Don't expose package attributes that won't build (e.g. on macOS)

- Make the flake generally easier to read since there's none of that
`builtin.foldl' recursiveUpdate` nonsense anymore
This commit is contained in:
Leah Amelia Chen
2025-12-13 19:07:43 +08:00
parent dc43ded149
commit 8deecac6fb
1 changed files with 88 additions and 80 deletions
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168
flake.nix
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@@ -49,92 +49,100 @@
zon2nix,
home-manager,
...
}:
builtins.foldl' nixpkgs.lib.recursiveUpdate {} (
builtins.map (
system: let
pkgs = nixpkgs.legacyPackages.${system};
in {
devShells.${system}.default = pkgs.callPackage ./nix/devShell.nix {
zig = zig.packages.${system}."0.15.2";
wraptest = pkgs.callPackage ./nix/pkgs/wraptest.nix {};
zon2nix = zon2nix;
}: let
inherit (nixpkgs) lib legacyPackages;
python3 = pkgs.python3.override {
self = pkgs.python3;
packageOverrides = pyfinal: pyprev: {
blessed = pyfinal.callPackage ./nix/pkgs/blessed.nix {};
ucs-detect = pyfinal.callPackage ./nix/pkgs/ucs-detect.nix {};
};
};
# Our supported systems are the same supported systems as the Zig binaries.
platforms = lib.attrNames zig.packages;
# It's not always possible to build Ghostty with Nix for each system,
# one such example being macOS due to missing Swift 6 and xcodebuild
# support in the Nix ecosystem. Therefore for things like package outputs
# we need to limit the attributes we expose.
buildablePlatforms = lib.filter (p: !(lib.systems.elaborate p).isDarwin) platforms;
forAllPlatforms = f: lib.genAttrs platforms (s: f legacyPackages.${s});
forBuildablePlatforms = f: lib.genAttrs buildablePlatforms (s: f legacyPackages.${s});
in {
devShell = forAllPlatforms (pkgs:
pkgs.callPackage ./nix/devShell.nix {
zig = zig.packages.${pkgs.stdenv.hostPlatform.system}."0.15.2";
wraptest = pkgs.callPackage ./nix/pkgs/wraptest.nix {};
zon2nix = zon2nix;
python3 = pkgs.python3.override {
self = pkgs.python3;
packageOverrides = pyfinal: pyprev: {
blessed = pyfinal.callPackage ./nix/pkgs/blessed.nix {};
ucs-detect = pyfinal.callPackage ./nix/pkgs/ucs-detect.nix {};
};
packages.${system} = let
mkArgs = optimize: {
inherit optimize;
revision = self.shortRev or self.dirtyShortRev or "dirty";
};
in rec {
deps = pkgs.callPackage ./build.zig.zon.nix {};
ghostty-debug = pkgs.callPackage ./nix/package.nix (mkArgs "Debug");
ghostty-releasesafe = pkgs.callPackage ./nix/package.nix (mkArgs "ReleaseSafe");
ghostty-releasefast = pkgs.callPackage ./nix/package.nix (mkArgs "ReleaseFast");
ghostty = ghostty-releasefast;
default = ghostty;
};
formatter.${system} = pkgs.alejandra;
checks.${system} = import ./nix/tests.nix {
inherit home-manager nixpkgs self system;
};
apps.${system} = let
runVM = (
module: let
vm = import ./nix/vm/create.nix {
inherit system module nixpkgs;
overlay = self.overlays.debug;
};
program = pkgs.writeShellScript "run-ghostty-vm" ''
SHARED_DIR=$(pwd)
export SHARED_DIR
${pkgs.lib.getExe vm.config.system.build.vm} "$@"
'';
in {
type = "app";
program = "${program}";
meta = {
description = "start a vm from ${toString module}";
};
}
);
in {
wayland-cinnamon = runVM ./nix/vm/wayland-cinnamon.nix;
wayland-gnome = runVM ./nix/vm/wayland-gnome.nix;
wayland-plasma6 = runVM ./nix/vm/wayland-plasma6.nix;
x11-cinnamon = runVM ./nix/vm/x11-cinnamon.nix;
x11-plasma6 = runVM ./nix/vm/x11-plasma6.nix;
x11-xfce = runVM ./nix/vm/x11-xfce.nix;
};
}
# Our supported systems are the same supported systems as the Zig binaries.
) (builtins.attrNames zig.packages)
)
// {
overlays = {
default = self.overlays.releasefast;
releasefast = final: prev: {
ghostty = self.packages.${prev.stdenv.hostPlatform.system}.ghostty-releasefast;
};
debug = final: prev: {
ghostty = self.packages.${prev.stdenv.hostPlatform.system}.ghostty-debug;
});
packages =
forAllPlatforms (pkgs: {
# Deps are needed for environmental setup on macOS
deps = pkgs.callPackage ./build.zig.zon.nix {};
})
// forBuildablePlatforms (pkgs: let
mkArgs = optimize: {
inherit optimize;
revision = self.shortRev or self.dirtyShortRev or "dirty";
};
in rec {
ghostty-debug = pkgs.callPackage ./nix/package.nix (mkArgs "Debug");
ghostty-releasesafe = pkgs.callPackage ./nix/package.nix (mkArgs "ReleaseSafe");
ghostty-releasefast = pkgs.callPackage ./nix/package.nix (mkArgs "ReleaseFast");
ghostty = ghostty-releasefast;
default = ghostty;
});
formatter = forAllPlatforms (pkgs: pkgs.alejandra);
apps = forBuildablePlatforms (pkgs: let
runVM = module: desc: let
vm = import ./nix/vm/create.nix {
inherit (pkgs.stdenv.hostPlatform) system;
inherit module nixpkgs;
overlay = self.overlays.debug;
};
program = pkgs.writeShellScript "run-ghostty-vm" ''
SHARED_DIR=$(pwd)
export SHARED_DIR
${pkgs.lib.getExe vm.config.system.build.vm} "$@"
'';
in {
type = "app";
program = "${program}";
meta.description = "start a vm from ${toString module}";
};
in {
wayland-cinnamon = runVM ./nix/vm/wayland-cinnamon.nix;
wayland-gnome = runVM ./nix/vm/wayland-gnome.nix;
wayland-plasma6 = runVM ./nix/vm/wayland-plasma6.nix;
x11-cinnamon = runVM ./nix/vm/x11-cinnamon.nix;
x11-plasma6 = runVM ./nix/vm/x11-plasma6.nix;
x11-xfce = runVM ./nix/vm/x11-xfce.nix;
});
checks = forAllPlatforms (pkgs:
import ./nix/tests.nix {
inherit home-manager nixpkgs self;
inherit (pkgs.stdenv.hostPlatform) system;
});
overlays = {
default = self.overlays.releasefast;
releasefast = final: prev: {
ghostty = self.packages.${prev.stdenv.hostPlatform.system}.ghostty-releasefast;
};
debug = final: prev: {
ghostty = self.packages.${prev.stdenv.hostPlatform.system}.ghostty-debug;
};
};
};
nixConfig = {
extra-substituters = ["https://ghostty.cachix.org"];