| # Copyright 2018 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """ |
| Some utilities to declare and aggregate package contents. |
| """ |
| |
| PackageLocalInfo = provider( |
| fields = { |
| "mappings": "list of (package dest, source) pairs", |
| }, |
| ) |
| |
| # Identical to PackageLocalInfo, but a different type is needed when that |
| # information if generated from an aspect so that it does not collide with any |
| # existing PackageLocalInfo returned provider. |
| PackageGeneratedInfo = provider( |
| fields = { |
| "mappings": "list of (package dest, source) pairs", |
| }, |
| ) |
| |
| PackageAggregateInfo = provider( |
| fields = { |
| "contents": "depset of (package dest, source) pairs", |
| }, |
| ) |
| |
| def get_aggregate_info(mappings, deps): |
| transitive_info = [] |
| for dep in deps: |
| if PackageAggregateInfo not in dep: |
| continue |
| transitive_info.append(dep[PackageAggregateInfo].contents) |
| return PackageAggregateInfo(contents = depset(mappings, |
| transitive = transitive_info)) |
