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# Copyright 2021 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.
"""RPM packaging interfaces
This module provides a wrapper macro "pkg_rpm" that allows users to select
between the two variants of `pkg_rpm`:
- `pkg_rpm_pfg`, which arranges contents via the `pkg_filegroup`
framework defined in `:mappings.bzl`.
- `pkg_rpm_legacy`, which arranges contents via a spec file template.
`pkg_rpm_legacy` is deprecated and will be removed in a future release of
rules_pkg.
The mechanism for choosing between the two is documented in the function itself.
"""
load("//pkg/legacy:rpm.bzl", pkg_rpm_legacy = "pkg_rpm")
load("//pkg:rpm_pfg.bzl", pkg_rpm_pfg = "pkg_rpm")
def pkg_rpm(name, srcs = None, spec_file = None, **kwargs):
"""pkg_rpm wrapper
This rule selects between the two implementations of pkg_rpm as described in
the module docstring. In particular:
If `srcs` is provided, this macro will choose `pkg_rpm_pfg`. If
`spec_file` is provided, it will choose `pkg_rpm_legacy`.
If neither or both are provided, this will fail.
Args:
name: rule name
srcs: pkg_rpm_pfg `srcs` attribute
spec_file: pkg_rpm_legacy `spec_file` attribute
**kwargs: arguments to eihter `pkg_rpm_pfg` or `pkg_rpm_legacy`,
depending on mode
"""
if srcs and spec_file:
fail("Cannot determine which pkg_rpm rule to use. `srcs` and `spec_file` are mutually exclusive")
if not srcs and not spec_file:
fail("Either `srcs` or `spec_file` must be provided.")
if srcs:
pkg_rpm_pfg(
name = name,
srcs = srcs,
**kwargs
)
elif spec_file:
pkg_rpm_legacy(
name = name,
spec_file = spec_file,
**kwargs
)
else:
fail("This should be unreachable; kindly file a bug against rules_pkg.")
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