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# Copyright 2020 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.
"""toolchain to provide an rpmbuild binary."""
RpmbuildInfo = provider(
doc = """Platform inde artifact.""",
fields = {
"name": "The name of the toolchain",
"valid": "Is this toolchain valid and usable?",
"label": "The path to a target I will build",
"path": "The path to a pre-built rpmbuild",
"version": "The version string of rpmbuild",
},
)
def _rpmbuild_toolchain_impl(ctx):
if ctx.attr.label and ctx.attr.path:
fail("rpmbuild_toolchain must not specify both label and path.")
valid = bool(ctx.attr.label) or bool(ctx.attr.path)
toolchain_info = platform_common.ToolchainInfo(
rpmbuild = RpmbuildInfo(
name = str(ctx.label),
valid = valid,
label = ctx.attr.label,
path = ctx.attr.path,
version = ctx.attr.version,
),
)
return [toolchain_info]
rpmbuild_toolchain = rule(
implementation = _rpmbuild_toolchain_impl,
attrs = {
"label": attr.label(
doc = "A valid label of a target to build or a prebuilt binary. Mutually exclusive with path.",
cfg = "exec",
executable = True,
allow_files = True,
),
"path": attr.string(
doc = "The path to the rpmbuild executable. Mutually exclusive with label.",
),
"version": attr.string(
doc = "The version string of the rpmbuild executable. This should be manually set.",
),
},
)
# Expose the presence of an rpmbuild in the resolved toolchain as a flag.
def _is_rpmbuild_available_impl(ctx):
toolchain = ctx.toolchains["@rules_pkg//toolchains/rpm:rpmbuild_toolchain_type"].rpmbuild
return [config_common.FeatureFlagInfo(
value = ("1" if toolchain.valid else "0"),
)]
is_rpmbuild_available = rule(
implementation = _is_rpmbuild_available_impl,
attrs = {},
toolchains = ["@rules_pkg//toolchains/rpm:rpmbuild_toolchain_type"],
)
def rpmbuild_register_toolchains():
native.register_toolchains("@rules_pkg//toolchains/rpm:rpmbuild_missing_toolchain")
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