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Diffstat (limited to 'rules/common.bzl')
| -rw-r--r-- | rules/common.bzl | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/rules/common.bzl b/rules/common.bzl new file mode 100644 index 0000000..6e84559 --- /dev/null +++ b/rules/common.bzl @@ -0,0 +1,111 @@ +# 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(":java.bzl", _java = "java") +load(":utils.bzl", "get_android_sdk", "get_android_toolchain", _log = "log") + +# TODO(ostonge): Remove once kotlin/jvm_library.internal.bzl +# is updated and released to use the java.resolve_package function +def _java_package(label, custom_package): + return _java.resolve_package_from_label(label, custom_package) + +# 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 _sign_apk(ctx, unsigned_apk, signed_apk, keystore = None, signing_keys = [], signing_lineage = None): + """Signs an apk. Usage of keystore is deprecated. Prefer using signing_keys.""" + inputs = [unsigned_apk] + signer_args = ctx.actions.args() + signer_args.add("sign") + + if signing_keys: + inputs.extend(signing_keys) + for i, key in enumerate(signing_keys): + if i > 0: + signer_args.add("--next-signer") + signer_args.add("--ks") + signer_args.add(key.path) + signer_args.add("--ks-pass") + signer_args.add("pass:android") + if signing_lineage: + inputs.append(signing_lineage) + signer_args.add("--lineage", signing_lineage.path) + elif keystore: + inputs.append(keystore) + signer_args.add("--ks", keystore.path) + signer_args.add("--ks-pass", "pass:android") + + signer_args.add("--v1-signing-enabled", ctx.fragments.android.apk_signing_method_v1) + signer_args.add("--v1-signer-name", "CERT") + signer_args.add("--v2-signing-enabled", ctx.fragments.android.apk_signing_method_v2) + signer_args.add("--out", signed_apk.path) + signer_args.add(unsigned_apk.path) + ctx.actions.run( + executable = get_android_sdk(ctx).apk_signer, + inputs = inputs, + outputs = [signed_apk], + arguments = [signer_args], + mnemonic = "ApkSignerTool", + progress_message = "Signing APK for %s" % unsigned_apk.path, + ) + return signed_apk + +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, + ) + +common = struct( + check_rule = _check_rule, + get_host_javabase = _get_host_javabase, + get_java_toolchain = _get_java_toolchain, + filter_zip = _filter_zip, + java_package = _java_package, + sign_apk = _sign_apk, +) |