godot-xterm/misc/vscode/tasks.json

{
  // See https://go.microsoft.com/fwlink/?LinkId=733558
  // for the documentation about the tasks.json format
  "version": "2.0.0",
  "tasks": [
    {
      "label": "build",
      "type": "shell",
      "options": {
        "cwd": "${workspaceFolder}/addons/godot_xterm/native"
      },
      "command": "nix-shell",
      "args": ["-I", "nixpkgs=~/nixpkgs", "-p", "scons", "--run", "./build.sh"],
      "problemMatcher": []
    }
  ]
}