Update protobuf_version.bzl to separate protoc and per-language java major version (#9900)

java/core/BUILD.bazel

@@ -4,7 +4,7 @@ load("@rules_jvm_external//:defs.bzl", "java_export")
 load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
 load("@rules_proto//proto:defs.bzl", "proto_lang_toolchain", "proto_library")
 load("//:internal.bzl", "conformance_test")
-load("//:protobuf_version.bzl", "PROTOBUF_VERSION")
+load("//:protobuf_version.bzl", "PROTOBUF_JAVA_VERSION")
 load("//java/internal:testing.bzl", "junit_tests")
 
 LITE_SRCS = [
@@ -116,7 +116,7 @@ java_library(
 # Bazel users, don't depend on this target, use //java/lite.
 java_export(
     name = "lite_mvn",
-    maven_coordinates = "com.google.protobuf:protobuf-javalite:%s" % PROTOBUF_VERSION,
+    maven_coordinates = "com.google.protobuf:protobuf-javalite:%s" % PROTOBUF_JAVA_VERSION,
     pom_template = "//java/lite:pom_template.xml",
     resources = [
         "//:lite_well_known_protos",
@@ -151,7 +151,7 @@ java_library(
 # Bazel users, don't depend on this target, use :core.
 java_export(
     name = "core_mvn",
-    maven_coordinates = "com.google.protobuf:protobuf-java:%s" % PROTOBUF_VERSION,
+    maven_coordinates = "com.google.protobuf:protobuf-java:%s" % PROTOBUF_JAVA_VERSION,
     pom_template = "pom_template.xml",
     resources = [
         "//:well_known_protos",

java/kotlin-lite/BUILD.bazel

@@ -2,7 +2,7 @@ load("@io_bazel_rules_kotlin//kotlin:jvm.bzl", "kt_jvm_library")
 load("@rules_java//java:defs.bzl", "java_lite_proto_library")
 load("@rules_jvm_external//:kt_defs.bzl", "kt_jvm_export")
 load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
-load("//:protobuf_version.bzl", "PROTOBUF_VERSION")
+load("//:protobuf_version.bzl", "PROTOBUF_JAVA_VERSION")
 load("//:protobuf.bzl", "internal_gen_kt_protos")
 
 java_lite_proto_library(
@@ -34,7 +34,7 @@ kt_jvm_export(
         "@com_github_jetbrains_kotlin//:kotlin-stdlib",
         "//java/lite",
     ],
-    maven_coordinates = "com.google.protobuf:protobuf-kotlin-lite:%s" % PROTOBUF_VERSION,
+    maven_coordinates = "com.google.protobuf:protobuf-kotlin-lite:%s" % PROTOBUF_JAVA_VERSION,
     pom_template = "//java/kotlin-lite:pom_template.xml",
     resources = ["//:well_known_protos"],
     runtime_deps = [

java/kotlin/BUILD.bazel

@@ -3,7 +3,7 @@ load("@rules_java//java:defs.bzl", "java_proto_library")
 load("@rules_jvm_external//:kt_defs.bzl", "kt_jvm_export")
 load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
 load("@rules_proto//proto:defs.bzl", "proto_library")
-load("//:protobuf_version.bzl", "PROTOBUF_VERSION")
+load("//:protobuf_version.bzl", "PROTOBUF_JAVA_VERSION")
 load("//:protobuf.bzl", "internal_gen_kt_protos")
 
 exports_files([
@@ -56,7 +56,7 @@ kt_jvm_export(
         "@com_github_jetbrains_kotlin//:kotlin-stdlib",
         "//java/core",
     ],
-    maven_coordinates = "com.google.protobuf:protobuf-kotlin:%s" % PROTOBUF_VERSION,
+    maven_coordinates = "com.google.protobuf:protobuf-kotlin:%s" % PROTOBUF_JAVA_VERSION,
     pom_template = "//java/kotlin:pom_template.xml",
     resources = ["//:well_known_protos"],
     runtime_deps = [

java/util/BUILD.bazel

@@ -2,7 +2,7 @@ load("@rules_java//java:defs.bzl", "java_proto_library")
 load("@rules_jvm_external//:defs.bzl", "java_export")
 load("@rules_pkg//:mappings.bzl", "pkg_filegroup", "pkg_files", "strip_prefix")
 load("@rules_proto//proto:defs.bzl", "proto_library")
-load("//:protobuf_version.bzl", "PROTOBUF_VERSION")
+load("//:protobuf_version.bzl", "PROTOBUF_JAVA_VERSION")
 load("//java/internal:testing.bzl", "junit_tests")
 
 java_library(
@@ -25,7 +25,7 @@ java_library(
 java_export(
     name = "util_mvn",
     deploy_env = ["//java/core"],
-    maven_coordinates = "com.google.protobuf:protobuf-java-util:%s" % PROTOBUF_VERSION,
+    maven_coordinates = "com.google.protobuf:protobuf-java-util:%s" % PROTOBUF_JAVA_VERSION,
     pom_template = "pom_template.xml",
     visibility = ["//java:__pkg__"],
     runtime_deps = [":util"],

protobuf_release.bzl

@@ -4,11 +4,11 @@ Generates package naming variables for use with rules_pkg.
 
 load("@rules_pkg//:providers.bzl", "PackageVariablesInfo")
 load("@bazel_tools//tools/cpp:toolchain_utils.bzl", "find_cpp_toolchain")
-load(":protobuf_version.bzl", "PROTOBUF_VERSION")
+load(":protobuf_version.bzl", "PROTOC_VERSION")
 
 def _package_naming_impl(ctx):
   values = {}
-  values["version"] = PROTOBUF_VERSION
+  values["version"] = PROTOC_VERSION
 
   # infer from the current cpp toolchain.
   toolchain = find_cpp_toolchain(ctx)

protobuf_version.bzl

@@ -1 +1,2 @@
-PROTOBUF_VERSION = '3.20.1'
+PROTOC_VERSION = '3.20.1'
+PROTOBUF_JAVA_VERSION = '3.20.1'