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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library hosted_source; | 5 library hosted_source; |
6 | 6 |
7 import 'dart:io' as io; | 7 import 'dart:io' as io; |
8 import 'dart:json'; | 8 import 'dart:json'; |
9 import 'dart:uri'; | 9 import 'dart:uri'; |
10 | 10 |
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78 // Download and extract the archive to a temp directory. | 78 // Download and extract the archive to a temp directory. |
79 var tempDir; | 79 var tempDir; |
80 return Futures.wait([httpGet(fullUrl), createTempDir()]).chain((args) { | 80 return Futures.wait([httpGet(fullUrl), createTempDir()]).chain((args) { |
81 tempDir = args[1]; | 81 tempDir = args[1]; |
82 return timeout(extractTarGz(args[0], tempDir), HTTP_TIMEOUT, | 82 return timeout(extractTarGz(args[0], tempDir), HTTP_TIMEOUT, |
83 'Timed out while fetching URL "$fullUrl".'); | 83 'Timed out while fetching URL "$fullUrl".'); |
84 }).chain((_) { | 84 }).chain((_) { |
85 // Now that the install has succeeded, move it to the real location in | 85 // Now that the install has succeeded, move it to the real location in |
86 // the cache. This ensures that we don't leave half-busted ghost | 86 // the cache. This ensures that we don't leave half-busted ghost |
87 // directories in the user's pub cache if an install fails. | 87 // directories in the user's pub cache if an install fails. |
88 return renameDir(tempDir, destPath); | 88 var rename = renameDir(tempDir, destPath); |
89 | |
90 // TODO(rnystrom): Awful hack. On Windows, we see cases where the extract | |
kasperl
2012/10/16 05:44:04
This smells like a dart:io bug? Did you file one a
| |
91 // has not finished by the time we get here, so the rename fails with a | |
92 // "directory in use" error. So, we will just wait a couple of seconds | |
93 // before we start. | |
94 if (Platform.operatingSystem == "windows") { | |
95 rename = sleep(2000).chain((_) => rename); | |
96 } | |
97 | |
98 return rename; | |
89 }).transform((_) => true); | 99 }).transform((_) => true); |
90 } | 100 } |
91 | 101 |
92 /** | 102 /** |
93 * The system cache directory for the hosted source contains subdirectories | 103 * The system cache directory for the hosted source contains subdirectories |
94 * for each separate repository URL that's used on the system. Each of these | 104 * for each separate repository URL that's used on the system. Each of these |
95 * subdirectories then contains a subdirectory for each package installed | 105 * subdirectories then contains a subdirectory for each package installed |
96 * from that site. | 106 * from that site. |
97 */ | 107 */ |
98 String systemCacheDirectory(PackageId id) { | 108 String systemCacheDirectory(PackageId id) { |
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143 | 153 |
144 var name = description["name"]; | 154 var name = description["name"]; |
145 if (name is! String) { | 155 if (name is! String) { |
146 throw new FormatException("The 'name' key must have a string value."); | 156 throw new FormatException("The 'name' key must have a string value."); |
147 } | 157 } |
148 | 158 |
149 var url = description.containsKey("url") ? description["url"] : defaultUrl; | 159 var url = description.containsKey("url") ? description["url"] : defaultUrl; |
150 return new Pair<String, String>(name, url); | 160 return new Pair<String, String>(name, url); |
151 } | 161 } |
152 } | 162 } |
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