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326 lines
10 KiB
326 lines
10 KiB
"""Repository rules and macros which are expected to be called from WORKSPACE file of either |
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googleapis itself or any third_party repository which consumes googleapis as its dependency. |
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""" |
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def _switched_rules_impl(ctx): |
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disabled_rule_script = """ |
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def {rule_name}(**kwargs): |
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pass |
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""" |
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enabled_native_rule_script = """ |
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{rule_name} = {native_rule_name} |
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""" |
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enabled_rule_script = """ |
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load("{file_label}", _{rule_name} = "{loaded_rule_name}") |
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""" |
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elabled_rule_scrip_alias = """ |
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{rule_name} = _{rule_name} |
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""" |
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load_rules = [] # load() must go before everythin else in .bzl files since Bazel 0.25.0 |
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rules = [] |
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for rule_name, value_and_name in ctx.attr.rules.items(): |
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value = value_and_name[0] |
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loaded_rule_name = value_and_name[1] if value_and_name[1] else rule_name |
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if not value: |
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rules.append(disabled_rule_script.format(rule_name = rule_name)) |
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elif value.startswith("@"): |
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load_rules.append(enabled_rule_script.format( |
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file_label = value, |
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rule_name = rule_name, |
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loaded_rule_name = loaded_rule_name, |
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)) |
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rules.append(elabled_rule_scrip_alias.format(rule_name = rule_name)) |
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elif value.startswith("native."): |
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rules.append( |
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enabled_native_rule_script.format(rule_name = rule_name, native_rule_name = value), |
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) |
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else: |
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rules.append(value) |
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ctx.file("BUILD.bazel", "") |
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ctx.file("imports.bzl", "".join(load_rules + rules)) |
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switched_rules = repository_rule( |
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implementation = _switched_rules_impl, |
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attrs = { |
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"rules": attr.string_list_dict( |
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allow_empty = True, |
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mandatory = False, |
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default = {}, |
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), |
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}, |
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) |
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def switched_rules_by_language( |
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name, |
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gapic = False, |
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grpc = False, |
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java = False, |
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go = False, |
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cc = False, |
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php = False, |
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nodejs = False, |
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python = False, |
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ruby = False, |
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csharp = False, |
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go_test = False, |
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upb = False, |
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rules_override = {}): |
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"""Switches rules in the generated imports.bzl between no-op and the actual implementation. |
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This defines which language-specific rules (or client type specific, like grpc or gapic) should |
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be enabled during the build. All non-enabled language-specific rules will default to no-op |
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implementations. Examples of the language-specific rules are: java_gapic_library |
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(Java-specific), go_proto_library (Go-specific), proto_library_with_info (gapic-specific) etc. |
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Note, proto_library rule is always enabled. |
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|
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For example, to use this rule and enable Java and Go rules, add the following in the external |
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repository which imports com_google_googleapis repository and its corresponding dependencies: |
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load("@com_google_googleapis//:repository_rules.bzl", "switched_rules_by_language") |
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switched_rules_by_language( |
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name = "com_google_googleapis_imports", |
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grpc = True, |
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gapic = True, |
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go = True, |
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java = True, |
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) |
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|
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Note, for build to work you should also import the language-specific transitive dependencies. |
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Args: |
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name (str): name of a target, is expected to be "com_google_googleapis_imports". |
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gapic (bool): Enable GAPIC specific rules. The GAPIC rules are also language-specific, so |
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the actual enabled rules will be determined by the other language-specific arguments of |
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this rule. False by default. |
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grpc (bool): Enable gRPC specific rules. The gRPC rules are also language-specific, so |
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the actual enabled rules will be determined by the other language-specific arguments of |
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this rule. False by default. |
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java (bool): Enable Java specific rules. False by default. |
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go (bool): Enable Go specific rules. False by default. |
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cc (bool): Enable C++ specific rules. False by default. Partially implemented (no GAPIC |
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support). |
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php (bool): Enable PHP specific rules. False by default. |
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nodejs (bool): Enable Node.js specific rules. False by default. |
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ruby (bool): Enable Ruby specific rules. False by default. |
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python (bool): Enable Python-specific rules. False by default. |
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csharp (bool): Enable C# specific rules. False by default. |
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go_test (bool): A special temporary flag to disable only go_test targets. This is needed to |
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support rules_go version 0.24.0+, which made importmap duplicates an error instead of a |
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warning. More details: https://github.com/bazelbuild/rules_go/issues/1986. |
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rules_override (dict): Custom rule overrides (for advanced usage). |
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""" |
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rules = {} |
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# |
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# Common |
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# |
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rules["proto_library_with_info"] = _switch( |
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gapic, |
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"@rules_gapic//:gapic.bzl", |
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) |
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rules["moved_proto_library"] = _switch( |
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gapic, |
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"@rules_gapic//:gapic.bzl", |
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) |
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|
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# |
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# Java |
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# |
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rules["java_proto_library"] = _switch( |
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java, |
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"native.java_proto_library", |
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) |
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rules["java_grpc_library"] = _switch( |
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java and grpc, |
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"@io_grpc_grpc_java//:java_grpc_library.bzl", |
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) |
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rules["java_gapic_library"] = _switch( |
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java and grpc and gapic, |
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"@gapic_generator_java//rules_java_gapic:java_gapic.bzl", |
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) |
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rules["java_gapic_test"] = _switch( |
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java and grpc and gapic, |
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"@gapic_generator_java//rules_java_gapic:java_gapic.bzl", |
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) |
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rules["java_gapic_assembly_gradle_pkg"] = _switch( |
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java and grpc and gapic, |
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"@gapic_generator_java//rules_java_gapic:java_gapic_pkg.bzl", |
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) |
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|
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# |
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# Python |
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# |
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rules["py_proto_library"] = _switch( |
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python, |
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"@com_github_grpc_grpc//bazel:python_rules.bzl", |
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) |
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rules["py_grpc_library"] = _switch( |
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python and grpc, |
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"@com_github_grpc_grpc//bazel:python_rules.bzl", |
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) |
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rules["py_gapic_library"] = _switch( |
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python and grpc and gapic, |
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"@gapic_generator_python//rules_python_gapic:py_gapic.bzl", |
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) |
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rules["py_test"] = _switch( |
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python and grpc and gapic, |
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"native.py_test", |
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) |
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rules["py_gapic_assembly_pkg"] = _switch( |
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python and grpc and gapic, |
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"@gapic_generator_python//rules_python_gapic:py_gapic_pkg.bzl", |
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) |
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rules["py_import"] = _switch( |
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python and grpc and gapic, |
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"@rules_python//python:defs.bzl", |
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) |
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# |
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# Go |
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# |
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rules["go_proto_library"] = _switch( |
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go, |
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"@io_bazel_rules_go//proto:def.bzl", |
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) |
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rules["go_grpc_library"] = _switch( |
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go, |
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"@io_bazel_rules_go//proto:def.bzl", |
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) |
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rules["go_library"] = _switch( |
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go, |
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"@io_bazel_rules_go//go:def.bzl", |
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) |
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rules["go_test"] = _switch( |
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go and grpc and gapic and go_test, |
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"@io_bazel_rules_go//go:def.bzl", |
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) |
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rules["go_gapic_library"] = _switch( |
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go and grpc and gapic, |
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"@com_googleapis_gapic_generator_go//rules_go_gapic:go_gapic.bzl", |
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) |
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rules["go_gapic_assembly_pkg"] = _switch( |
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go and grpc and gapic, |
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"@com_googleapis_gapic_generator_go//rules_go_gapic:go_gapic_pkg.bzl", |
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) |
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# |
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# C++ |
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# |
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rules["cc_proto_library"] = _switch( |
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cc, |
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"native.cc_proto_library", |
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) |
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rules["cc_grpc_library"] = _switch( |
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cc and grpc, |
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"@com_github_grpc_grpc//bazel:cc_grpc_library.bzl", |
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) |
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rules["cc_gapic_library"] = _switch(False) |
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# |
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# upb |
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# |
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rules["upb_c_proto_library"] = _switch( |
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upb, |
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"@com_google_protobuf//bazel:upb_c_proto_library.bzl", |
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"upb_c_proto_library", |
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) |
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# |
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# PHP |
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# |
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rules["php_proto_library"] = _switch( |
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php, |
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"@gapic_generator_php//rules_php_gapic:php_gapic.bzl", |
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"php_proto_library", |
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) |
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rules["php_grpc_library"] = _switch( |
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php and grpc, |
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"@gapic_generator_php//rules_php_gapic:php_gapic.bzl", |
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"php_grpc_library", |
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) |
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rules["php_gapic_library"] = _switch( |
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php and grpc and gapic, |
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"@gapic_generator_php//rules_php_gapic:php_gapic.bzl", |
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"php_gapic_library", |
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) |
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rules["php_gapic_assembly_pkg"] = _switch( |
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php and grpc and gapic, |
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"@gapic_generator_php//rules_php_gapic:php_gapic_pkg.bzl", |
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"php_gapic_assembly_pkg", |
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) |
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# |
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# Node.js |
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# |
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rules["nodejs_gapic_library"] = _switch( |
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nodejs and grpc and gapic, |
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"@gapic_generator_typescript//rules_typescript_gapic:typescript_gapic.bzl", |
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"typescript_gapic_library", |
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) |
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rules["nodejs_gapic_assembly_pkg"] = _switch( |
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nodejs and grpc and gapic, |
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"@gapic_generator_typescript//rules_typescript_gapic:typescript_gapic_pkg.bzl", |
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"typescript_gapic_assembly_pkg", |
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) |
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# |
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# Ruby |
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# |
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rules["ruby_proto_library"] = _switch( |
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ruby, |
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"@gapic_generator_ruby//rules_ruby_gapic:ruby_gapic.bzl", |
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) |
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rules["ruby_grpc_library"] = _switch( |
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ruby and grpc, |
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"@gapic_generator_ruby//rules_ruby_gapic:ruby_gapic.bzl", |
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) |
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rules["ruby_ads_gapic_library"] = _switch( |
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ruby and grpc and gapic, |
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"@gapic_generator_ruby//rules_ruby_gapic:ruby_gapic.bzl", |
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) |
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rules["ruby_cloud_gapic_library"] = _switch( |
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ruby and grpc and gapic, |
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"@gapic_generator_ruby//rules_ruby_gapic:ruby_gapic.bzl", |
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) |
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rules["ruby_gapic_assembly_pkg"] = _switch( |
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ruby and grpc and gapic, |
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"@gapic_generator_ruby//rules_ruby_gapic:ruby_gapic_pkg.bzl", |
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) |
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# |
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# C# |
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# |
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rules["csharp_proto_library"] = _switch( |
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csharp, |
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"@rules_gapic//csharp:csharp_gapic.bzl", |
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) |
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rules["csharp_grpc_library"] = _switch( |
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csharp and grpc, |
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"@rules_gapic//csharp:csharp_gapic.bzl", |
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) |
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rules["csharp_gapic_library"] = _switch( |
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csharp and grpc and gapic, |
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"@gapic_generator_csharp//rules_csharp_gapic:csharp_gapic.bzl", |
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) |
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rules["csharp_gapic_assembly_pkg"] = _switch( |
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csharp and grpc and gapic, |
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"@gapic_generator_csharp//rules_csharp_gapic:csharp_gapic_pkg.bzl", |
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) |
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rules.update(rules_override) |
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|
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switched_rules( |
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name = name, |
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rules = rules, |
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) |
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|
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def _switch(enabled, enabled_value = "", actual_name = ""): |
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if enabled: |
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return [enabled_value, actual_name] |
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else: |
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return ["", actual_name]
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