Function runPull

packages/computer/src/git/cli.ts:1509–1558

(
  client: GitClient,
  args: string[],
  input: GitCliInput,
)

// ---------------------------------------------------------------

async function runPull(
  client: GitClient,
  args: string[],
  input: GitCliInput,
): Promise<GitCliResult> {
  // `git pull [<remote>] [<ref>] [--ff-only] [--no-ff]`
  const parsed = parseFlags(args, {
    "ff-only": { kind: "bool" },
    "no-ff": { kind: "bool" },
  });
  if ("error" in parsed) {
    return { stdout: "", stderr: `git pull: ${parsed.error}\n`, exitCode: 129 };
  }
  if (parsed.positional.length > 2) {
    return {
      stdout: "",
      stderr: `git pull: unexpected argument '${parsed.positional[2]}'\n`,
      exitCode: 129,
    };
  }
  const [first, second] = parsed.positional;
  const looksLikeUrl = first !== undefined && /^[a-z][a-z0-9+.-]*:\/\//.test(first);
  const url = looksLikeUrl ? first : undefined;
  const remote = looksLikeUrl ? undefined : first;
  const ref = looksLikeUrl ? second : (second ?? undefined);

  if (url !== undefined && !isSupportedRemoteUrl(url)) {
    return {
      stdout: "",
      stderr: `git pull: unsupported transport for '${url}'. Only https://, http://, and file:// are supported.\n`,
      exitCode: 1,
    };
  }

  const dir = resolveDir(undefined, input.cwd);
  try {
    await client.pull({
      dir,
      url,
      remote,
      ref,
      fastForwardOnly: parsed.flags["ff-only"] === true,
      fastForward: parsed.flags["no-ff"] === true ? false : undefined,
      env: input.env,
    });
    return { stdout: "", stderr: "", exitCode: 0 };
  } catch (cause) {
    return mapGitError("pull", cause);
  }
}

// ---------------------------------------------------------------
// merge