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# -*- python -*-
# Copyright 2018 Josh Pieper, jjp@pobox.com.
#
# 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.
def _dictify(data):
result = dict([x.split('=', 1) for x in data])
return result
def _template_file_impl(ctx):
out = ctx.actions.declare_file(ctx.label.name)
substitutions = dict(ctx.attr.substitutions)
substitutions.update(_dictify(ctx.attr.substitution_list))
ctx.actions.expand_template(
template = ctx.files.src[0],
output = out,
substitutions = substitutions,
is_executable = ctx.attr.is_executable)
return [DefaultInfo(
files = depset([out]),
data_runfiles = ctx.runfiles(files = [out]),
)]
template_file = rule(
attrs = {
"src": attr.label(allow_files = True),
"is_executable": attr.bool(default = False),
"substitutions": attr.string_dict(),
"substitution_list": attr.string_list(),
},
output_to_genfiles = True,
implementation = _template_file_impl,
)