1# Copyright 2020 Google LLC 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""starlark rules for jarjar. See https://github.com/pantsbuild/jarjar 15""" 16 17load("@rules_java//java:defs.bzl", "JavaInfo") 18 19def _jar_jar_impl(ctx): 20 ctx.actions.run( 21 inputs = [ctx.file.rules, ctx.file.input_jar], 22 outputs = [ctx.outputs.jar], 23 executable = ctx.executable._jarjar, 24 progress_message = "jarjar %s" % ctx.label, 25 arguments = ["process", ctx.file.rules.path, ctx.file.input_jar.path, ctx.outputs.jar.path], 26 ) 27 28 return [ 29 JavaInfo( 30 output_jar = ctx.outputs.jar, 31 compile_jar = ctx.outputs.jar, 32 ), 33 DefaultInfo(files = depset([ctx.outputs.jar])), 34 ] 35 36jar_jar = rule( 37 implementation = _jar_jar_impl, 38 attrs = { 39 "input_jar": attr.label(allow_single_file = True), 40 "rules": attr.label(allow_single_file = True), 41 "_jarjar": attr.label(executable = True, cfg = "exec", default = Label("//tools:jarjar")), 42 }, 43 outputs = { 44 "jar": "%{name}.jar", 45 }, 46 provides = [JavaInfo], 47) 48