mirror of
https://github.com/ghostty-org/ghostty.git
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2671215211
This fixes the Nix *package* build (read: not devShell, which is not touched) so that it builds, and also conforms to what is generally seen for a Zig project in nixpkgs. The highlights: * We use a Zig 0.12 derivation that I constructed from the Zig 0.11 derivation, in addition to LLVM 17 updates found in NixOS/nixpkgs#258614. This specifically includes the patches that address ziglang/zig#15898, and also allows us to take advantage of the build hooks included in the Zig toolchain there. * We pre-download the cache using "zig build --fetch" and a fixed-output derivation. This is similar to how the Go builders work in nixpkgs and I could see Zig ultimately going in a similar path, given that the fetcher part of the build system seems to be shaping up to having a Go module system-style DX (mind you, this is a naive opinion right now). * Finally, cleaned up the derivation so that there's no special fixups happening outside of what is defined in the basic nixpkgs workflow. This is similar to other Zig projects I looked at (notably River) that seem to just include their dependencies in buildInputs and call it a day. One specific change that is worth noting is that this changes the build mode from ReleaseFast to ReleaseSafe - this is the current default within the Zig build hook in nixpkgs. If we need ReleaseFast, we'll have to override this.
61 lines
2.1 KiB
Nix
61 lines
2.1 KiB
Nix
{
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description = "ghostty";
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inputs = {
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nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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zig.url = "github:mitchellh/zig-overlay";
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zls-master.url = "github:zigtools/zls/master";
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# This is a nixpkgs mirror (based off of nixos-unstable) that contains
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# patches for LLVM 17 and Zig 0.12 (master/nightly).
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#
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# This gives an up-to-date Zig that contains the nixpkgs patches,
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# specifically the ones relating to NativeTargetInfo
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# (https://github.com/ziglang/zig/issues/15898) in addition to the base
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# hooks. This is used in the package (i.e. packages.ghostty, not the
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# devShell) to build a Zig that can be included in a NixOS configuration.
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nixpkgs-zig-0-12.url = "github:vancluever/nixpkgs/vancluever-zig-0-12";
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# We want to stay as up to date as possible but need to be careful that the
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# glibc versions used by our dependencies from Nix are compatible with the
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# system glibc that the user is building for.
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nixpkgs.url = "github:nixos/nixpkgs/release-23.05";
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# Used for shell.nix
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flake-compat = { url = github:edolstra/flake-compat; flake = false; };
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};
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outputs = { self, nixpkgs, flake-utils, ... }@inputs:
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let
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overlays = [
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# Our repo overlay
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(import ./nix/overlay.nix)
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# Other overlays
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(final: prev: {
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zigpkgs = inputs.zig.packages.${prev.system};
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zig_0_12 = inputs.nixpkgs-zig-0-12.legacyPackages.${prev.system}.zig_0_12;
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# Latest version of Tracy
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tracy = inputs.nixpkgs-unstable.legacyPackages.${prev.system}.tracy;
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# Latest version of ZLS
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zls = inputs.zls-master.packages.${prev.system}.zls;
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})
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];
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# Our supported systems are the same supported systems as the Zig binaries
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systems = builtins.attrNames inputs.zig.packages;
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in
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flake-utils.lib.eachSystem systems (system:
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let pkgs = import nixpkgs { inherit overlays system; };
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in rec {
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devShell = pkgs.devShell;
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packages.ghostty = pkgs.ghostty;
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defaultPackage = packages.ghostty;
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}
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);
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}
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