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Diffstat (limited to 'rules/private/gathering_providers.bzl')
-rw-r--r-- | rules/private/gathering_providers.bzl | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/rules/private/gathering_providers.bzl b/rules/private/gathering_providers.bzl new file mode 100644 index 0000000..1c3740f --- /dev/null +++ b/rules/private/gathering_providers.bzl @@ -0,0 +1,54 @@ +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +"""Providers for transitively gathering all license and package_info targets. + +Warning: This is private to the aspect that walks the tree. The API is subject +to change at any release. +""" + +LicensedTargetInfo = provider( + doc = """Lists the licenses directly used by a single target.""", + fields = { + "target_under_license": "Label: The target label", + "licenses": "list(label of a license rule)", + }, +) + +def licenses_info(): + return provider( + doc = """The transitive set of licenses used by a target.""", + fields = { + "target_under_license": "Label: The top level target label.", + "deps": "depset(LicensedTargetInfo): The transitive list of dependencies that have licenses.", + "licenses": "depset(LicenseInfo)", + "traces": "list(string) - diagnostic for tracing a dependency relationship to a target.", + }, + ) + +# This provider is used by the aspect that is used by manifest() rules. +TransitiveLicensesInfo = licenses_info() + +TransitiveMetadataInfo = provider( + doc = """The transitive set of licenses used by a target.""", + fields = { + "top_level_target": "Label: The top level target label we are examining.", + "other_metadata": "depset(ExperimentalMetatdataInfo)", + "licenses": "depset(LicenseInfo)", + "package_info": "depset(PackageInfo)", + + "target_under_license": "Label: A target which will be associated with some licenses.", + "deps": "depset(LicensedTargetInfo): The transitive list of dependencies that have licenses.", + "traces": "list(string) - diagnostic for tracing a dependency relationship to a target.", + }, +) |