feat(templates/go): add flake template for go projects

1 files changed, 83 insertions, 0 deletions

diff --git a/templates/go/flake.nix b/templates/go/flake.nix
new file mode 100644
index 0000000..9038975
--- /dev/null
+++ b/templates/go/flake.nix
@@ -0,0 +1,83 @@
+{
+  description = "Go project template";
+
+  inputs = {
+    futils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs = {
+        flake-utils.follows = "futils";
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+
+  outputs =
+    { self
+    , futils
+    , nixpkgs
+    , pre-commit-hooks
+    }:
+    futils.lib.eachDefaultSystem
+      (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+        pname = "project-name";
+        version = "0.0.1";
+        tools = with pkgs; [
+          # https://github.com/golang/vscode-go/blob/master/docs/tools.md
+          delve
+          golangci-lint
+          gopls
+        ];
+      in
+      rec {
+        # `nix build`
+        packages."${pname}" = pkgs.buildGoModule {
+          inherit pname version;
+          src = ./.;
+          vendorSha256 = null;
+        };
+        defaultPackage = packages."${pname}";
+
+        # `nix run`
+        apps = {
+          "${pname}" = futils.lib.mkApp {
+            drv = packages."${pname}";
+            exePath = "/bin/changeme";
+          };
+          default = apps."${pname}";
+        };
+
+        # `nix develop`
+        checks = {
+          pre-commit = pre-commit-hooks.lib.${system}.run {
+            src = ./.;
+            hooks = {
+              nixpkgs-fmt.enable = true;
+              yamllint.enable = true;
+              govet.enable = true;
+              gotest.enable = true;
+              gofmt.enable = true;
+              staticcheck.enable = true;
+            };
+            settings = {
+              yamllint.relaxed = true;
+            };
+          };
+        };
+
+        devShell = pkgs.mkShell {
+          buildInputs = with pkgs; [ go ] ++ tools;
+          inherit (self.checks.${system}.pre-commit) shellHook;
+        };
+      })
+    // {
+      overlay = final: prev: {
+        XXX = self.defaultPackage.${prev.system};
+      };
+    };
+}