.github/workflows/macos.yml

@@ -0,0 +1,16 @@
+name: macOS
+
+on: [push]
+
+jobs:
+  build:
+    name: Build
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Fetch dependencies
+      run: go get -d ./...
+
+    - name: Build
+      run: go build

default.nix

@@ -1,7 +1,7 @@
 { pkgs ? import <nixpkgs> {}, ... }:
 let
-  virt-manager-without-menu = pkgs.virt-viewer.overrideAttrs (oldAttrs: {
-    patches = oldAttrs.patches ++ [
+  virt-manager-without-menu = pkgs.virt-viewer.overrideAttrs(x: {
+    patches = [
       ./patches/0001-Remove-menu-bar.patch
       ./patches/0002-Do-not-grab-keyboard-mouse.patch
       ./patches/0003-Use-name-of-appvm-applications-as-a-title.patch

shell.nix

@@ -1,4 +1,4 @@
 { pkgs ? import <nixpkgs> {} }:
 with pkgs; mkShell {
-  buildInputs = [ go virt-viewer virt-manager ];
+  buildInputs = [ go virt-viewer virtmanager ];
 }