mirror of
https://github.com/bazelbuild/bazel-skylib
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74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
# Copyright 2024 The Bazel Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Rules to filter files from a directory."""
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load(":providers.bzl", "DirectoryInfo")
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def _directory_glob_impl(ctx):
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directory = ctx.attr.directory[DirectoryInfo]
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srcs = directory.glob(
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ctx.attr.srcs,
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exclude = ctx.attr.exclude,
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allow_empty = ctx.attr.allow_empty,
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)
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data = directory.glob(
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ctx.attr.data,
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exclude = ctx.attr.exclude,
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allow_empty = ctx.attr.allow_empty,
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)
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return DefaultInfo(
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files = srcs,
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runfiles = ctx.runfiles(transitive_files = depset(transitive = [srcs, data])),
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)
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directory_glob = rule(
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implementation = _directory_glob_impl,
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attrs = {
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"allow_empty": attr.bool(
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doc = "If true, allows globs to not match anything.",
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),
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"data": attr.string_list(
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doc = """A list of globs to files within the directory to put in the runfiles.
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For example, `data = ["foo/**"]` would collect all files contained within `<directory>/foo` into the
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runfiles.""",
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),
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"directory": attr.label(providers = [DirectoryInfo], mandatory = True),
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"exclude": attr.string_list(
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doc = "A list of globs to files within the directory to exclude from the files and runfiles.",
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),
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"srcs": attr.string_list(
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doc = """A list of globs to files within the directory to put in the files.
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For example, `srcs = ["foo/**"]` would collect the file at `<directory>/foo` into the
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files.""",
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),
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},
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doc = """globs files from a directory by relative path.
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Usage:
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```
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directory_glob(
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name = "foo",
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directory = ":directory",
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srcs = ["foo/bar"],
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data = ["foo/**"],
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exclude = ["foo/**/*.h"]
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)
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```
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""",
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)
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