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Third-party Dart packages

There are two types of third-party dependencies in the Fuchsia tree:

  • Extracted from pub.
  • Synced from Git.

Pub dependencies

Pub dependencies are hosted at //third-party/dart-pkg. That project is regularly kept up-to-date with a script that relies on the pub tool to resolve versions and fetch sources for the packages that are used in the tree. This script uses a set of canonical local packages, which are assumed to be providing the necessary package coverage for the entire tree.

Additionally, projects may request third-party dependencies to be imported through the following procedure:

  1. Create a dart_dependencies.yaml file in the project.
  2. Add the desired dependencies in that file:

    name: my_project
      foo: ^4.0.0
      bar: >=0.1.0
  3. Add a reference to the file in //scripts/dart/

  4. Run that script.

  5. Merge your changes to dart_dependencies.yaml to master.

  6. Merge the files, downloaded by running the script, and the script itself to master.

  7. In the //topaz/manifest/dart manifest, update the project node third_part/dart-pkg revision attribute with the SHA from your commit in Step 6.

  8. Merge your change to the //topaz/manifest/dart manifest file to master.