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| # Copyright (c) 2019, 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. | |
| _dart_root = get_path_info(".", "abspath") | |
| declare_args() { | |
| # Absolute path to the .git folder. | |
| # | |
| # This is used in rules that need to refer to `.git/logs/HEAD` to include | |
| # a hash in the version string. By default the folder is `.git`, but we define | |
| # it as an argument so it can be overriden by users of `git-worktree` (See | |
| # Issue #33619). | |
| # | |
| # When using git-worktree, you can add | |
| # | |
| # default_git_folder = "/path/to/main/git/repo/.git/worktrees/name/" | |
| # | |
| # to out/ReleaseX64/args.gn. The path above can be extracted from the `.git` | |
| # file under the git worktree folder. | |
| # The script run here should take care of everything automatically though. | |
| default_git_folder = exec_script("$_dart_root/tools/get_dot_git_folder.py", | |
| [ | |
| rebase_path("$_dart_root/.git"), | |
| "$_dart_root/.git", | |
| ], | |
| "trim string") | |
| # Whether to enable the SDK hash check that will prevent loading a kernel | |
| # into a VM which was built with a different SDK. | |
| verify_sdk_hash = true | |
| # The location in the build output directory of the built Dart SDK. | |
| dart_sdk_output = "dart-sdk" | |
| } | |
| # The SDK hash to build into VM and kernels. | |
| # The value 0000000000 signifies no hash is set, which will disable the check. | |
| if (verify_sdk_hash) { | |
| sdk_hash = exec_script("$_dart_root/tools/make_version.py", | |
| [ "--format={{GIT_HASH}}" ], | |
| "trim string", | |
| [ | |
| "$_dart_root/tools/VERSION", | |
| "$_dart_root/tools/utils.py", | |
| "$default_git_folder/logs/HEAD", | |
| ]) | |
| } else { | |
| sdk_hash = "0000000000" | |
| } |