Function bootstrapParserTests

Makefile.source.ts:477–507

(
  name: string,
  repoURL: string,
  subPaths: string[]
)

};

function bootstrapParserTests(
  name: string,
  repoURL: string,
  subPaths: string[]
) {
  function getParserTestsCommit(id: string): string {
    const content = readFileSync("./Makefile", "utf8");
    const commit = new RegExp(`${id}_COMMIT = (\\w{40})`).exec(content)![1];
    if (!commit) throw new Error(`Could not find ${id}_COMMIT in Makefile`);
    return commit;
  }

  const dir = "./build/" + name.toLowerCase();

  shell.rm("-rf", dir);
  console.log("mkdir -p build");
  mkdirSync("build", { recursive: true });

  exec("git", [
    "clone",
    "--filter=blob:none",
    "--sparse",
    "--depth",
    "1",
    "--revision=" + getParserTestsCommit(name),
    repoURL,
    dir,
  ]);

  exec("git", ["sparse-checkout", "set", ...subPaths], dir);
}

target["bootstrap-test262"] = function () {
  bootstrapParserTests("TEST262", "https://github.com/tc39/test262.git", [