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// Drake API.export {  abort,  DrakeError,  env,  glob,  log,  quote,  readFile,  sh,  shCapture,  ShCaptureOpts,  ShOpts,  ShOutput,  updateFile,  writeFile} from "./lib/utils.ts";export { desc, execute, run, task, vers };
import { existsSync } from "https://deno.land/std@v0.36.0/fs/mod.ts";import * as path from "https://deno.land/std@v0.36.0/path/mod.ts";import { help } from "./lib/help.ts";import { Action, TaskRegistry } from "./lib/tasks.ts";import { abort, env, parseEnv } from "./lib/utils.ts";
/** The Drake version number. */const vers: string = "0.11.0";
/** Global task registry. */const taskRegistry = new TaskRegistry();
env["--abort-exits"] = true;
// Parse command-line options into Drake environment.parseEnv(Deno.args.slice(), env);
if (env["--help"]) {  help();} else if (env["--version"]) {  console.log(vers);} else {  // Caclulate drakefile path relative to cwd prior to processing --directory option.  let drakefile = env["--drakefile"] ?? "Drakefile.ts";  if (!path.isAbsolute(drakefile)) {    drakefile = path.join(Deno.cwd(), drakefile);  }  env["--drakefile"] = drakefile;
  if (env["--directory"]) {    const dir = env["--directory"];    if (!existsSync(dir) || !Deno.statSync(dir).isDirectory()) {      abort(`--directory missing or not a directory: ${dir}`);    }    Deno.chdir(dir);  }}
/** Set description of next registered task. */function desc(description: string): void {  taskRegistry.desc(description);}
/** * Create and register a task. * @param name - A unique task name. * @param prereqs - An array of prerequisite task names i.e. the names of tasks to be run prior to executing the task action function. * @param action - An optional function that is run if the task is selected for execution. */function task(  name: string,  prereqs: string[] = [],  action?: Action): void {  taskRegistry.register(name, prereqs, action);}
/** * Execute named tasks along with their prerequisite tasks (direct and indirect). If no `names` are * specified then the command-line tasks are run. If no command-line tasks were specified the * default task (set in `env["--default-task"]`) is run. * * Task execution is ordered such that prerequisite tasks are executed prior to their parent task. * The same task is never run twice. */async function run(...names: string[]) {  if (env["--help"] || env["--version"]) {    return;  }  if (env["--list-tasks"] || env["--list-all"]) {    taskRegistry.list().forEach(t => console.log(t));  } else {    if (names.length === 0) {      names = env["--tasks"];      if (names.length === 0 && env["--default-task"]) {        names.push(env["--default-task"]);      }    }    if (names.length === 0) {      abort("no task specified");    }    await taskRegistry.run(...names);  }}
/** * Unconditionally execute task action functions ignoring task prerequisites. * * - If `names` is a task name string execute the task action. * - If `names` is an array of task names execute their actions asynchronously. * - Silently skip tasks that have no action function. */async function execute(names: string | string[]) {  await taskRegistry.execute(names);}