Rename fletch -> dartino

pkg/fletchc/lib/src/guess_configuration.dart

-// Copyright (c) 2015, the Dartino 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.md file.
-
-library fletchc.src.guess_configuration;
-
-import 'dart:io' show
-    File,
-    Link,
-    Platform,
-    Process;
-
-const String _FLETCH_VM = const String.fromEnvironment("fletch-vm");
-
-Uri get executable {
-  return Uri.base.resolveUri(new Uri.file(Platform.resolvedExecutable));
-}
-
-bool _looksLikeFletchVm(Uri uri) {
-  return new File.fromUri(uri).existsSync();
-}
-
-// TODO(zerny): Guessing the VM path should only happen once and only if no
-// prior configuration has happend. Make this a private method in
-// fletch_compiler.dart
-Uri guessFletchVm(Uri fletchVm, {bool mustExist: true}) {
-  if (fletchVm == null && _FLETCH_VM != null) {
-    // Use Uri.base here because _FLETCH_VM is a constant relative to the
-    // location of where the Dart VM was started, not relative to the C++
-    // client.
-    fletchVm = Uri.base.resolve(_FLETCH_VM);
-  } else {
-    Uri uri = executable.resolve('fletch-vm');
-    if (new File.fromUri(uri).existsSync()) {
-      fletchVm = uri;
-    }
-  }
-  if (fletchVm == null) {
-    if (!mustExist) return null;
-    throw new StateError("""
-Unable to guess the location of the fletch VM (fletchVm).
-Try adding command-line option '-Dfletch-vm=<path to fletch VM>.""");
-  } else if (!_looksLikeFletchVm(fletchVm)) {
-    if (!mustExist) return null;
-    throw new StateError("""
-No fletch VM at '$fletchVm'.
-Try adding command-line option '-Dfletch-vm=<path to fletch VM>.""");
-  }
-  return fletchVm;
-}
-
-String _cachedFletchVersion;
-
-String get fletchVersion {
-  if (_cachedFletchVersion != null) return _cachedFletchVersion;
-  _cachedFletchVersion = const String.fromEnvironment('fletch.version');
-  if (_cachedFletchVersion != null) return _cachedFletchVersion;
-  Uri fletchVm = guessFletchVm(null, mustExist: false);
-  if (fletchVm != null) {
-    String vmPath = fletchVm.toFilePath();
-    return _cachedFletchVersion =
-        Process.runSync(vmPath, <String>["--version"]).stdout.trim();
-  }
-  return _cachedFletchVersion = "version information not available";
-}