| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library pub.command.run; |
| |
| import 'dart:async'; |
| |
| import 'package:barback/barback.dart'; |
| import 'package:path/path.dart' as p; |
| |
| import '../command.dart'; |
| import '../executable.dart'; |
| import '../io.dart'; |
| import '../log.dart' as log; |
| import '../utils.dart'; |
| |
| /// Handles the `run` pub command. |
| class RunCommand extends PubCommand { |
| String get name => "run"; |
| String get description => "Run an executable from a package.\n" |
| "NOTE: We are currently optimizing this command's startup time."; |
| String get invocation => "pub run <executable> [args...]"; |
| bool get allowTrailingOptions => false; |
| |
| RunCommand() { |
| argParser.addOption("mode", |
| help: 'Mode to run transformers in.\n' |
| '(defaults to "release" for dependencies, "debug" for ' |
| 'entrypoint)'); |
| } |
| |
| Future run() async { |
| if (argResults.rest.isEmpty) { |
| usageException("Must specify an executable to run."); |
| } |
| |
| var package = entrypoint.root.name; |
| var executable = argResults.rest[0]; |
| var args = argResults.rest.skip(1).toList(); |
| |
| // A command like "foo:bar" runs the "bar" script from the "foo" package. |
| // If there is no colon prefix, default to the root package. |
| if (executable.contains(":")) { |
| var components = split1(executable, ":"); |
| package = components[0]; |
| executable = components[1]; |
| |
| if (p.split(executable).length > 1) { |
| // TODO(nweiz): Use adjacent strings when the new async/await compiler |
| // lands. |
| usageException("Cannot run an executable in a subdirectory of a " + |
| "dependency."); |
| } |
| } else if (onlyIdentifierRegExp.hasMatch(executable)) { |
| // "pub run foo" means the same thing as "pub run foo:foo" as long as |
| // "foo" is a valid Dart identifier (and thus package name). |
| |
| // TODO(nweiz): Remove this after Dart 1.10 ships. |
| var localPath = p.join("bin", "$executable.dart"); |
| if (fileExists(localPath) && executable != entrypoint.root.name) { |
| log.warning( |
| 'In future releases, "pub run $executable" will mean the same ' |
| 'thing as "pub run $executable:$executable".\n' |
| 'Run "pub run ${p.join("bin", executable)}" explicitly to run the ' |
| 'local executable.'); |
| } else { |
| package = executable; |
| } |
| } |
| |
| var mode; |
| if (argResults['mode'] != null) { |
| mode = new BarbackMode(argResults['mode']); |
| } else if (package == entrypoint.root.name) { |
| mode = BarbackMode.DEBUG; |
| } else { |
| mode = BarbackMode.RELEASE; |
| } |
| |
| var exitCode = await runExecutable(entrypoint, package, executable, args, |
| mode: mode); |
| await flushThenExit(exitCode); |
| } |
| } |