bazel-skylib/rules/directory/subdirectory.bzl

41 lines
1.3 KiB
Python

# Copyright 2024 The Bazel Authors. All rights reserved.
#
# 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
#
# http://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.
"""Skylib module containing rules to create metadata about subdirectories."""
load(":providers.bzl", "DirectoryInfo")
def _subdirectory_impl(ctx):
dir = ctx.attr.parent[DirectoryInfo].get_subdirectory(ctx.attr.path)
return [
dir,
DefaultInfo(files = dir.transitive_files),
]
subdirectory = rule(
implementation = _subdirectory_impl,
attrs = {
"parent": attr.label(
providers = [DirectoryInfo],
mandatory = True,
doc = "A label corresponding to the parent directory (or subdirectory).",
),
"path": attr.string(
mandatory = True,
doc = "A path within the parent directory (eg. \"path/to/subdir\")",
),
},
provides = [DirectoryInfo],
)