Add Nix flake (#158)

1 files changed, 76 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..908609cd
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,76 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      inherit (builtins)
+        substring
+        ;
+      inherit (nixpkgs.lib)
+        genAttrs
+        optionals
+        ;
+
+      eachSystem = f: genAttrs
+        [
+          "aarch64-darwin"
+          "aarch64-linux"
+          "x86_64-darwin"
+          "x86_64-linux"
+        ]
+        (system: f nixpkgs.legacyPackages.${system});
+
+      rev = fallback:
+        if self ? rev then
+          substring 0 8 self.rev
+        else
+          fallback;
+    in
+    {
+      devShells = eachSystem (pkgs: {
+        default = pkgs.mkShell {
+          packages = with pkgs; [
+            cargo
+            clippy
+            rust-analyzer
+            rustc
+            rustfmt
+          ];
+
+          buildInputs = optionals pkgs.stdenv.isDarwin [
+            pkgs.darwin.apple_sdk.frameworks.CoreServices
+            pkgs.libiconv
+          ];
+
+          RUST_SRC_PATH = pkgs.rustPlatform.rustLibSrc;
+        };
+      });
+
+      formatter = eachSystem (pkgs: pkgs.nixpkgs-fmt);
+
+      packages = eachSystem (pkgs: {
+        default = pkgs.rustPlatform.buildRustPackage {
+          pname = "typst";
+          version = rev "00000000";
+
+          src = self;
+
+          cargoLock = {
+            lockFile = ./Cargo.lock;
+            allowBuiltinFetchGit = true;
+          };
+
+          buildInputs = optionals pkgs.stdenv.isDarwin [
+            pkgs.darwin.apple_sdk.frameworks.CoreServices
+          ];
+
+          cargoBuildFlags = [ "-p" "typst-cli" ];
+          cargoTestFlags = [ "-p" "typst-cli" ];
+
+          TYPST_VERSION = rev "(unknown version)";
+        };
+      });
+    };
+}