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# Copyright 2018 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.
"""Bazel common library for the Android rules."""
load(":utils.bzl", "get_android_toolchain", _log = "log")
load("//rules/android_common:reexport_android_common.bzl", _native_android_common = "native_android_common")
# Suffix attached to the Starlark portion of android_binary target
_PACKAGED_RESOURCES_SUFFIX = "_RESOURCES_DO_NOT_USE"
# Validates that the packages listed under "deps" all have the given constraint. If a package
# does not have this attribute, an error is generated.
def _validate_constraints(targets, constraint):
for target in targets:
if JavaInfo in target:
if constraint not in java_common.get_constraints(target[JavaInfo]):
_log.error("%s: does not have constraint '%s'" % (target.label, constraint))
TARGET_DNE = "Target '%s' does not exist or is a file and is not allowed."
def _check_rule(targets):
_validate_constraints(targets, "android")
def _get_java_toolchain(ctx):
if not hasattr(ctx.attr, "_java_toolchain"):
_log.error("Missing _java_toolchain attr")
return ctx.attr._java_toolchain
def _get_host_javabase(ctx):
if not hasattr(ctx.attr, "_host_javabase"):
_log.error("Missing _host_javabase attr")
return ctx.attr._host_javabase
def _filter_zip(ctx, in_zip, out_zip, filters = []):
"""Creates a copy of a zip file with files that match filters."""
args = ctx.actions.args()
args.add("-q")
args.add(in_zip.path)
args.add_all(filters)
args.add("--copy")
args.add("--out")
args.add(out_zip.path)
ctx.actions.run(
executable = get_android_toolchain(ctx).zip_tool.files_to_run,
arguments = [args],
inputs = [in_zip],
outputs = [out_zip],
mnemonic = "FilterZip",
progress_message = "Filtering %s" % in_zip.short_path,
)
def _create_signer_properties(ctx, oldest_key):
properties = ctx.actions.declare_file("%s/keystore.properties" % ctx.label.name)
ctx.actions.expand_template(
template = ctx.file._bundle_keystore_properties,
output = properties,
substitutions = {"%oldest_key%": oldest_key.short_path},
)
return properties
common = struct(
PACKAGED_RESOURCES_SUFFIX = _PACKAGED_RESOURCES_SUFFIX,
check_rule = _check_rule,
create_signer_properties = _create_signer_properties,
get_host_javabase = _get_host_javabase,
get_java_toolchain = _get_java_toolchain,
filter_zip = _filter_zip,
)
android_common = _native_android_common
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