Switch to flake-parts and nci (#167)

.envrc

@@ -0,0 +1 @@
+use flake

crates.nix

@@ -0,0 +1,52 @@
+{ ... }: {
+  perSystem = { pkgs, lib, ... }: {
+    nci =
+      let
+        llvmPackages = pkgs.llvmPackages_16;
+        major = lib.versions.major llvmPackages.llvm.version;
+        minor = lib.versions.minor llvmPackages.llvm.version;
+        llvm-sys-ver = "${major}${builtins.substring 0 1 minor}";
+        env = {
+          "LLVM_SYS_${llvm-sys-ver}_PREFIX" = llvmPackages.llvm.dev;
+        };
+      in
+      {
+        projects.ante.path = ./.;
+        crates.ante = {
+          depsDrvConfig = {
+            inherit env;
+          };
+          drvConfig = {
+            inherit env;
+            mkDerivation = {
+              nativeBuildInputs = [ pkgs.installShellFiles ];
+              buildInputs = lib.attrValues
+                {
+                  inherit (pkgs)
+                    libffi
+                    libxml2
+                    ncurses;
+                } ++ [ llvmPackages.llvm ];
+
+              postPatch = ''
+                substituteInPlace tests/golden_tests.rs --replace \
+                  'target/debug' "target/$(rustc -vV | sed -n 's|host: ||p')/release"
+              '';
+
+              preBuild = ''
+                export ANTE_STDLIB_DIR=$out/lib
+                find stdlib -type f -exec install -Dm644 "{}" -t $ANTE_STDLIB_DIR \;
+              '';
+
+              postInstall = ''
+                installShellCompletion --cmd ante \
+                  --bash <($out/bin/ante --shell-completion bash) \
+                  --fish <($out/bin/ante --shell-completion fish) \
+                  --zsh <($out/bin/ante --shell-completion zsh)
+              '';
+            };
+          };
+        };
+      };
+  };
+}

default.nix

@@ -1,53 +1,10 @@
-let
-  ante =
-    { installShellFiles
-    , lib
-    , libffi
-    , libxml2
-    , llvmPackages
-    , ncurses
-    , rustPlatform
-    }:
-
-    let
-      major = lib.versions.major llvmPackages.llvm.version;
-      minor = lib.versions.minor llvmPackages.llvm.version;
-      llvm-sys-ver = "${major}${builtins.substring 0 1 minor}";
-      toml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
-    in
-
-    rustPlatform.buildRustPackage {
-      pname = "ante";
-      src = ./.;
-      inherit (toml.package) version;
-      cargoHash = "sha256-Mn5LukLn9bz8Z4YTNEk4CK5ItYFRngoB7Zp9XJVhM74=";
-
-      nativeBuildInputs = [ llvmPackages.llvm installShellFiles ];
-      buildInputs = [ libffi libxml2 ncurses ];
-
-      postPatch = ''
-        substituteInPlace tests/golden_tests.rs --replace \
-          'target/debug' "target/$(rustc -vV | sed -n 's|host: ||p')/release"
-      '';
-
-      shellHook = ''
-        export LLVM_SYS_${llvm-sys-ver}_PREFIX=${llvmPackages.llvm.dev}
-      '';
-
-      preBuild = ''
-        $shellHook
-        export ANTE_STDLIB_DIR=$out/lib
-        mkdir -p $ANTE_STDLIB_DIR
-        cp -r $src/stdlib/* $ANTE_STDLIB_DIR
-      '';
-
-      postInstall = ''
-        installShellCompletion --cmd ante \
-          --bash <($out/bin/ante --shell-completion bash) \
-          --fish <($out/bin/ante --shell-completion fish) \
-          --zsh <($out/bin/ante --shell-completion zsh)
-      '';
-    };
-in
-{ pkgs ? import <nixpkgs> { } }: with pkgs;
-callPackage ante { llvmPackages = llvmPackages_13; }
+(import
+  (
+    let lock = builtins.fromJSON (builtins.readFile ./flake.lock); in
+    fetchTarball {
+      url = lock.nodes.flake-compat.locked.url or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+      sha256 = lock.nodes.flake-compat.locked.narHash;
+    }
+  )
+  { src = ./.; }
+).defaultNix