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1 This directory contains the hashes of tar.gz files uploaded to cloud storage. | 1 This directory contains the hashes of tar.gz files uploaded to cloud storage. |
2 Hooks in the DEPS files run "download_from_google_storage" to download these | 2 Hooks in the DEPS files run "download_from_google_storage" to download these |
3 tarfiles, and unpack them. These tar files contain a stable Dart SDK, which | 3 tarfiles, and unpack them. These tar files contain a stable Dart SDK, which |
4 is used to build the observatory and to run the test scripts. | 4 is used to build the observatory and to run the test scripts. |
5 | 5 |
6 The hooks use the --auto-platform feature, so that only the SDK for the | 6 The hooks use the --auto-platform feature, so that only the SDK for the |
7 current platform (linux, macos, or windows) is downloaded. This requires | 7 current platform (linux, macos, or windows) is downloaded. This requires |
8 the subdirectories to have the special names "linux", "win", and "mac", which | 8 the subdirectories to have the special names "linux", "win", and "mac", which |
9 the download script is hardcoded to recognize. | 9 the download script is hardcoded to recognize. |
10 | 10 |
11 The linux SDK has had two extra dart executables added to the bin directory. | 11 The linux SDK has three extra dart executables added to the bin directory. |
12 'dart-mips' and 'dart-arm' are executables compiled to run on mips and arm | 12 'dart-mips', 'dart-arm', and 'dart-arm64' are executables compiled to run on |
13 processors, respectively. | 13 mips, arm, and arm64 (aarch64) processors, respectively. |
14 | 14 |
15 To upload new versions of these tar files, use the "upload_to_google_storage" | 15 To upload new versions of these tar files, use the "upload_to_google_storage" |
16 tool in depot_tools, and download the new stable SDKs from the dartlang.org | 16 tool in depot_tools, and download the new stable SDKs from the dartlang.org |
17 web page. The mips and arm executables must be copied from the machines that | 17 web page. The mips and arm executables must be copied from the machines that |
18 build them, and stripped. There should be no need to update these tar files | 18 build them, and stripped. There should be no need to update these tar files |
19 for every new stable version of Dart. | 19 for every new stable version of Dart. |
20 | 20 |
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