Release mobile_install/mi.bzl to OSS
Part of #12
PiperOrigin-RevId: 550673073
Change-Id: I9502711504180d55ae687cf0a378f0ccbe611be0
diff --git a/mobile_install/mi.bzl b/mobile_install/mi.bzl
new file mode 100644
index 0000000..90baa69
--- /dev/null
+++ b/mobile_install/mi.bzl
@@ -0,0 +1,84 @@
+# 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.
+"""Aspect for mobile-install."""
+
+load(":adapters.bzl", "adapters")
+load(":debug.bzl", "debug")
+load(":tools.bzl", "TOOL_ATTRS")
+load("//rules/flags:flags.bzl", "flags")
+
+def aspect_impl(target, ctx):
+ """Calls the adapter for a given rule and returns its providers.
+
+ Args:
+ target: Target of the MI command
+ ctx: Current context
+
+ Returns:
+ A list of providers
+ """
+ adapter = adapters.get(ctx.rule.kind)
+
+ if not adapter:
+ return []
+
+ # Debug.
+ infos = adapter.adapt(target, ctx)
+ if flags.get(ctx).debug:
+ infos.append(OutputGroupInfo(**debug.make_output_groups(infos)))
+ return infos
+
+def make_aspect(
+ dex_shards = 16,
+ is_cmd = True,
+ is_test = False,
+ res_shards = 1,
+ tools = TOOL_ATTRS):
+ """Make aspect for incremental android apps.
+
+ Args:
+ dex_shards: Number of dex shards to split the project across.
+ is_cmd: A Boolean, when True the aspect is running in the context of the
+ mobile-install command. If False it is as a rule (e.g. mi_test).
+ res_shards: Number of Android resource shards during processing.
+ Returns:
+ A configured aspect.
+ """
+ attrs = dict(
+ _mi_dex_shards = attr.int(default = dex_shards),
+ _mi_is_cmd = attr.bool(default = is_cmd),
+ _mi_res_shards = attr.int(default = res_shards),
+ _mi_is_test = attr.bool(default = is_test),
+ )
+ attrs.update(tools)
+ return aspect(
+ attr_aspects = adapters.get_all_aspect_attrs(),
+ attrs = attrs,
+ required_aspect_providers = [
+ [JavaInfo], # JavaLiteProtoLibrary aspect.
+ ],
+ fragments = ["cpp", "java"],
+ host_fragments = ["jvm"],
+ implementation = aspect_impl,
+ )
+
+# MIASPECT allows you to run the aspect directly on a Blaze/Bazel command.
+#
+# Example:
+# bazel build \
+# --aspects=@rules_android//mobile_install:mi.bzl%MIASPECT
+# --output_groups=mobile_install_INTERNAL_,mobile_install_launcher_INTERNAL_,-_,-defaults \
+# java/com/example/exampleapp:exampleapp
+MIASPECT = make_aspect()
+MIRESASPECT = MIASPECT # Deprecated, needs to get removed from MobileInstallCommand.java first.
