cli/flake.nix at main · grain.social/grain

grain.social / grain
grain.social is a photo sharing platform built on atproto.
grain / cli / flake.nix
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  1{
  2  description = "Grain CLI - A command-line interface for grain.social";
  3
  4  inputs = {
  5    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  6    flake-utils.url = "github:numtide/flake-utils";
  7    crane = {
  8      url = "github:ipetkov/crane";
  9      inputs.nixpkgs.follows = "nixpkgs";
 10    };
 11    rust-overlay = {
 12      url = "github:oxalica/rust-overlay";
 13      inputs.nixpkgs.follows = "nixpkgs";
 14    };
 15  };
 16
 17  outputs = { self, nixpkgs, flake-utils, crane, rust-overlay }:
 18    flake-utils.lib.eachDefaultSystem (system:
 19      let
 20        overlays = [ (import rust-overlay) ];
 21        pkgs = import nixpkgs { inherit system overlays; };
 22        
 23        rustToolchain = pkgs.rust-bin.stable.latest.default.override {
 24          extensions = [ "rust-src" ];
 25          targets = [
 26            "x86_64-unknown-linux-gnu"
 27            "x86_64-pc-windows-gnu" 
 28            "x86_64-apple-darwin"
 29            "aarch64-apple-darwin"
 30            "aarch64-unknown-linux-gnu"
 31          ];
 32        };
 33
 34        craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;
 35
 36        src = craneLib.cleanCargoSource (craneLib.path ./.);
 37
 38        commonArgs = {
 39          inherit src;
 40          strictDeps = true;
 41          
 42          buildInputs = with pkgs; [
 43            openssl
 44          ] ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
 45            pkgs.darwin.apple_sdk.frameworks.Security
 46            pkgs.darwin.apple_sdk.frameworks.SystemConfiguration
 47          ];
 48
 49          nativeBuildInputs = with pkgs; [
 50            pkg-config
 51          ];
 52        };
 53
 54        # Build dependencies first for caching
 55        cargoArtifacts = craneLib.buildDepsOnly commonArgs;
 56
 57        # Build function for different targets
 58        buildGrainCLI = target: 
 59          let
 60            # Only cross-compile if target is different from current system
 61            isCrossCompiling = target != system;
 62          in
 63          if isCrossCompiling then
 64            # For cross-compilation, use the native build but with target specified
 65            craneLib.buildPackage (commonArgs // {
 66              inherit cargoArtifacts;
 67              CARGO_BUILD_TARGET = target;
 68            } // pkgs.lib.optionalAttrs (target == "x86_64-pc-windows-gnu") {
 69              depsBuildBuild = with pkgs; [
 70                pkgsCross.mingwW64.stdenv.cc
 71                pkgsCross.mingwW64.windows.pthreads
 72              ];
 73              nativeBuildInputs = commonArgs.nativeBuildInputs ++ [
 74                pkgs.pkgsCross.mingwW64.windows.pthreads
 75              ];
 76              CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER = "${pkgs.pkgsCross.mingwW64.stdenv.cc}/bin/x86_64-w64-mingw32-gcc";
 77            })
 78          else
 79            # For native builds, don't specify target
 80            craneLib.buildPackage (commonArgs // {
 81              inherit cargoArtifacts;
 82            });
 83
 84      in {
 85        packages = {
 86          default = buildGrainCLI system;
 87          
 88          # Cross-compilation targets
 89          grain-linux-x86_64 = buildGrainCLI "x86_64-unknown-linux-gnu";
 90          grain-linux-aarch64 = buildGrainCLI "aarch64-unknown-linux-gnu";
 91          grain-macos-x86_64 = buildGrainCLI "x86_64-apple-darwin";
 92          grain-macos-aarch64 = buildGrainCLI "aarch64-apple-darwin";
 93          grain-windows-x86_64 = buildGrainCLI "x86_64-pc-windows-gnu";
 94        };
 95
 96        devShells.default = pkgs.mkShell {
 97          inputsFrom = [ self.packages.${system}.default ];
 98          packages = with pkgs; [
 99            rustToolchain
100            pkg-config
101            openssl
102            cargo-cross
103          ];
104        };
105
106        # Helper script to build all targets
107        apps.build-all = flake-utils.lib.mkApp {
108          drv = pkgs.writeShellScriptBin "build-all" ''
109            set -e
110            
111            echo "Building Grain CLI for all platforms..."
112            
113            mkdir -p releases
114            
115            # Build for each platform
116            echo "Building for Linux x86_64..."
117            nix build .#grain-linux-x86_64 -o result-linux-x86_64
118            cp result-linux-x86_64/bin/grain releases/grain-linux-x86_64
119            
120            echo "Building for Linux aarch64..."
121            nix build .#grain-linux-aarch64 -o result-linux-aarch64
122            cp result-linux-aarch64/bin/grain releases/grain-linux-aarch64
123            
124            echo "Building for macOS x86_64..."
125            nix build .#grain-macos-x86_64 -o result-macos-x86_64
126            cp result-macos-x86_64/bin/grain releases/grain-darwin-x86_64
127            
128            echo "Building for macOS aarch64..."
129            nix build .#grain-macos-aarch64 -o result-macos-aarch64
130            cp result-macos-aarch64/bin/grain releases/grain-darwin-aarch64
131            
132            echo "Building for Windows x86_64..."
133            nix build .#grain-windows-x86_64 -o result-windows-x86_64
134            cp result-windows-x86_64/bin/grain.exe releases/grain-windows-x86_64.exe
135            
136            echo "All builds complete! Binaries are in releases/"
137            ls -la releases/
138          '';
139        };
140      });
141}