feat: add nix flake with devshell and build package

Author: SergioRibera

.gitignore

@@ -1 +1,2 @@
 /target
+result

flake.lock

@@ -0,0 +1,63 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    fenix.url = "github:nix-community/fenix";
+    flake-utils.url = "github:numtide/flake-utils";
+    crane = {
+      url = "github:ipetkov/crane";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {
+    nixpkgs,
+    flake-utils,
+    crane,
+    ...
+  } @ inputs:
+    flake-utils.lib.eachSystem (flake-utils.lib.defaultSystems) (
+      system: let
+          pkgs = nixpkgs.legacyPackages.${system};
+          lib = pkgs.lib;
+          fenix = inputs.fenix.packages;
+          craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
+
+          # fenix: rustup replacement for reproducible builds
+          toolchain = fenix.${system}.fromToolchainFile {
+            file = ./rust-toolchain.toml;
+            sha256 = "sha256-VZZnlyP69+Y3crrLHQyJirqlHrTtGTsyiSnZB8jEvVo=";
+          };
+
+          # buildInputs for Examples
+          buildInputs = with pkgs; [
+            toolchain
+            pkg-config
+          ];
+
+          zed-plugin = craneLib.buildPackage {
+            doCheck = false;
+            pname = "zed-dotenv";
+            src = craneLib.cleanCargoSource (craneLib.path ./.);
+            buildPhaseCargoCommand = "cargo build --release --target wasm32-wasip1";
+
+            installPhaseCommand = ''
+              mkdir -p $out
+              cp target/wasm32-wasip1/release/zed_dotenv.wasm $out/extension.wasm
+            '';
+
+            inherit buildInputs;
+          };
+      in {
+        # `nix build`
+        packages.default = zed-plugin;
+        # `nix develop`
+        devShells.default = pkgs.mkShell {
+          packages = with pkgs; buildInputs ++ [
+            cargo-dist
+            cargo-release
+          ];
+          LD_LIBRARY_PATH = lib.makeLibraryPath buildInputs;
+        };
+      }
+    );
+}

flake.nix

@@ -1,4 +1,4 @@
 [toolchain]
 channel = "stable"
 profile = "default"
-targets = ["wasm32-unknown-unknown"]
+targets = ["wasm32-wasip1"]