Initial Commit for nix (#856)

* Initial Commit for nix

* Update description

* nix fmt

* update version

---------

Co-authored-by: anonymous <anonymous@anonymous.anonymous44>

.envrc

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

.gitignore

@@ -8,3 +8,4 @@ nohup.out
 zerobot
 ZeroBot-Plugin*
 *.syso
+/.direnv

default.nix

@@ -0,0 +1,25 @@
+{
+  pkgs ? (
+    let
+      inherit (builtins) fetchTree fromJSON readFile;
+      inherit ((fromJSON (readFile ./flake.lock)).nodes) nixpkgs gomod2nix;
+    in
+      import (fetchTree nixpkgs.locked) {
+        overlays = [
+          (import "${fetchTree gomod2nix.locked}/overlay.nix")
+        ];
+      }
+  ),
+  buildGoApplication ? pkgs.buildGoApplication,
+}:
+buildGoApplication {
+  pname = "ZeroBot-Plugin";
+  version = "1.7.6";
+  pwd = ./.;
+  src = ./.;
+  # spec go version manually bcs
+  # https://github.com/nix-community/gomod2nix/blob/30e3c3a9ec4ac8453282ca7f67fca9e1da12c3e6/builder/default.nix#L130
+  # do no work
+  go = pkgs.go_1_20;
+  modules = ./gomod2nix.toml;
+}

flake.nix

@@ -0,0 +1,36 @@
+{
+  description = "基于 ZeroBot 的 OneBot 插件";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.gomod2nix.url = "github:nix-community/gomod2nix";
+  inputs.gomod2nix.inputs.nixpkgs.follows = "nixpkgs";
+  inputs.gomod2nix.inputs.flake-utils.follows = "flake-utils";
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    gomod2nix,
+  }: (
+    flake-utils.lib.eachDefaultSystem
+    (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+
+      # The current default sdk for macOS fails to compile go projects, so we use a newer one for now.
+      # This has no effect on other platforms.
+      callPackage = pkgs.darwin.apple_sdk_11_0.callPackage or pkgs.callPackage;
+    in {
+      # doCheck will fail at write files
+      packages.default =
+        (callPackage ./. {
+          inherit (gomod2nix.legacyPackages.${system}) buildGoApplication;
+        })
+        .overrideAttrs (_: {doCheck = false;});
+      devShells.default = callPackage ./shell.nix {
+        inherit (gomod2nix.legacyPackages.${system}) mkGoEnv gomod2nix;
+      };
+      formatter = pkgs.alejandra;
+    })
+  );
+}