src/lib/git/index.ts


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import { get, instanciate } from "../../utils/anonymous.ts";

let cachedGitDir: Promise<URL> | undefined;

export function gitDir(): Promise<URL> {
  if (!cachedGitDir) {
    cachedGitDir = new Deno.Command("git", {
      args: ["rev-parse", "--show-toplevel"],
    }).output()
      .then(get("stdout"))
      .then((x) => `file://${new TextDecoder().decode(x).trim()}/`)
      .then(instanciate(URL));
  }

  return cachedGitDir;
}