| // 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. |
| |
| import 'dart:async'; |
| |
| 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.'; |
| String get invocation => 'pub run <executable> [args...]'; |
| String get docUrl => "https://dart.dev/tools/pub/cmd/pub-run"; |
| bool get allowTrailingOptions => false; |
| |
| RunCommand() { |
| argParser.addFlag('enable-asserts', help: 'Enable assert statements.'); |
| argParser.addFlag('checked', abbr: 'c', hide: true); |
| argParser.addOption('mode', help: 'Deprecated option', hide: true); |
| } |
| |
| 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) { |
| 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). |
| package = executable; |
| } |
| |
| if (argResults.wasParsed('mode')) { |
| log.warning('The --mode flag is deprecated and has no effect.'); |
| } |
| |
| // The user may pass in an executable without an extension, but the file |
| // to actually execute will always have one. |
| if (p.extension(executable) != '.dart') executable += '.dart'; |
| |
| var snapshotPath = p.join( |
| entrypoint.cachePath, 'bin', package, '$executable.snapshot.dart2'); |
| |
| // Don't ever compile snapshots for mutable packages, since their code may |
| // change later on. |
| var useSnapshot = fileExists(snapshotPath) || |
| (package != entrypoint.root.name && |
| !entrypoint.packageGraph.isPackageMutable(package)); |
| |
| var exitCode = await runExecutable(entrypoint, package, executable, args, |
| checked: argResults['enable-asserts'] || argResults['checked'], |
| snapshotPath: useSnapshot ? snapshotPath : null, recompile: () { |
| final pkg = entrypoint.packageGraph.packages[package]; |
| // The recompile function will only be called when [package] exists. |
| assert(pkg != null); |
| final executablePath = pkg.path(p.join("bin", executable)); |
| return entrypoint.precompileExecutable(package, executablePath); |
| }); |
| await flushThenExit(exitCode); |
| } |
| } |