Merge "lib/lucene: merge jars using a java_binary rule" into stable-2.16

lib/lucene/BUILD

@@ -1,17 +1,28 @@
-load("@rules_java//java:defs.bzl", "java_library")
+load("@rules_java//java:defs.bzl", "java_binary", "java_import", "java_library")
 load("//tools/bzl:maven.bzl", "merge_maven_jars")
 
 package(default_visibility = ["//visibility:public"])
 
-# core and backward-codecs both provide
-# META-INF/services/org.apache.lucene.codecs.Codec, so they must be merged.
-merge_maven_jars(
-    name = "lucene-core-and-backward-codecs",
-    srcs = [
+# Merge jars so
+# META-INF/services/org.apache.lucene.codecs.Codec
+# contains the union of both Codec collections.
+java_binary(
+    name = "lucene-core-and-backward-codecs-merged",
+    data = ["//lib:LICENSE-Apache2.0"],
+    main_class = "NotImportant",
+    runtime_deps = [
+        # in case of conflict, we want the implementation of backwards-codecs
+        # first.
         "@backward-codecs//jar",
         "@lucene-core//jar",
     ],
-    data = ["//lib:LICENSE-Apache2.0"],
+)
+
+java_import(
+    name = "lucene-core-and-backward-codecs",
+    jars = [
+        ":lucene-core-and-backward-codecs-merged_deploy.jar",
+    ],
 )
 
 java_library(

tools/BUILD

@@ -4,17 +4,9 @@ load(
     "default_java_toolchain",
 )
 load("@rules_java//java:defs.bzl", "java_package_configuration")
-load("@rules_python//python:defs.bzl", "py_binary")
 
 exports_files(["nongoogle.bzl"])
 
-py_binary(
-    name = "merge_jars",
-    srcs = ["merge_jars.py"],
-    main = "merge_jars.py",
-    visibility = ["//visibility:public"],
-)
-
 default_java_toolchain(
     name = "error_prone_warnings_toolchain",
     bootclasspath = ["@bazel_tools//tools/jdk:platformclasspath.jar"],

tools/merge_jars.py

@@ -1,49 +0,0 @@
-#!/usr/bin/env python
-# Copyright (C) 2015 The Android Open Source Project
-#
-# 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.
-
-from __future__ import print_function
-import collections
-import sys
-import zipfile
-
-if len(sys.argv) < 3:
-    print('usage: %s <out.zip> <in.zip>...' % sys.argv[0], file=sys.stderr)
-    exit(1)
-
-outfile = sys.argv[1]
-infiles = sys.argv[2:]
-seen = set()
-SERVICES = 'META-INF/services/'
-
-try:
-    with zipfile.ZipFile(outfile, 'w') as outzip:
-        services = collections.defaultdict(lambda: '')
-        for infile in infiles:
-            with zipfile.ZipFile(infile) as inzip:
-                for info in inzip.infolist():
-                    n = info.filename
-                    if n in seen:
-                        continue
-                    elif n.startswith(SERVICES):
-                        # Concatenate all provider configuration files.
-                        services[n] += inzip.read(n).decode("UTF-8")
-                        continue
-                    outzip.writestr(info, inzip.read(n))
-                    seen.add(n)
-
-        for n, v in list(services.items()):
-            outzip.writestr(n, v)
-except Exception as err:
-    exit('Failed to merge jars: %s' % err)