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@ -8,63 +8,48 @@ def {rule_name}(**kwargs): |
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print("Ignoring {rule_name}(name = %s)" % kwargs.get("name", None)) |
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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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{rule_name} = {native_rule_name} |
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""" |
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enabled_rule_script = """ |
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load("{file_label}", "{rule_names}") |
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load("{file_label}", _{rule_name} = "{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 in ctx.attr.disabled_rules: |
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if not rule_name: |
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continue |
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rules.append(disabled_rule_script.format(rule_name = rule_name)) |
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for enabled_native_rule in ctx.attr.enabled_native_rules: |
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rules.append(enabled_native_rule_script.format(rule_name = enabled_native_rule)) |
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for file_label, enabled_rules in ctx.attr.enabled_rules.items(): |
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if not enabled_rules: |
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continue |
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rule_names = "\", \"".join(enabled_rules.split(":")) |
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rules.append(enabled_rule_script.format(file_label = file_label, rule_names = rule_names)) |
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for rule_name, value in ctx.attr.rules.items(): |
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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(file_label = value, rule_name = rule_name)) |
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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(rules)) |
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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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"enabled_rules": attr.label_keyed_string_dict( |
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allow_files = True, |
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"rules": attr.string_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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"enabled_native_rules": attr.string_list( |
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mandatory = False, |
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allow_empty = True, |
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default = [], |
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), |
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"disabled_rules": attr.string_list( |
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mandatory = False, |
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allow_empty = True, |
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default = [], |
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), |
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}, |
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) |
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def _switch_rules(enabled, out, rules_dict, native_rules = []): |
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if enabled: |
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for k, vals in rules_dict.items(): |
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out.enabled_rules[k] = ":".join(vals) |
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out.enabled_native_rules.extend(native_rules) |
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else: |
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out.disabled_rules.extend([sub_val for val in rules_dict.values() for sub_val in val]) |
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out.disabled_rules.extend(native_rules) |
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def enabled_rules( |
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def switched_rules_by_language( |
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name, |
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proto = False, |
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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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@ -72,27 +57,39 @@ def enabled_rules( |
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php = False, |
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ruby = False, |
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js = False, |
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csharp = False): |
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"""Determines which language-specific rules should be enabled during build. All non-enabled |
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language-specific rules will default to no-op implementations. Examples of the language-specific |
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rules are: java_gapic_library (Java-specific), go_proto_library (Go-specific), |
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proto_library_with_info (proto-specific) etc. Note, proto_library rule is always enabled. |
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csharp = 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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To use this rule and enable Java and Go rules add the following in the external repository which |
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imports com_google_googleapis repository: |
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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", "enabled_rules") |
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enabled_rules( |
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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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proto = True, |
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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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proto (bool): Enable custom proto rules (like proto_library_with_info). False by default. |
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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. Not implemented yet. |
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@ -101,46 +98,74 @@ def enabled_rules( |
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ruby (bool): Enable Ruby specific rules. False by default. Not implemented yet. |
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js (bool): Enable JavaScript specific rules. False by default. Not implemented yet. |
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csharp (bool): Enable C# specific rules. False by default. Not implemented yet. |
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rules_override (dict): Custom rule overrides (for advanced usage). |
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""" |
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rules = struct(enabled_rules = {}, enabled_native_rules = [], disabled_rules = []) |
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rules = {} |
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rules["proto_library_with_info"] = _switch( |
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gapic, |
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"@com_google_api_codegen//rules_gapic:gapic.bzl", |
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) |
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_switch_rules( |
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enabled = proto, |
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out = rules, |
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rules_dict = { |
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"@com_google_api_codegen//rules_gapic:gapic.bzl": ["proto_library_with_info"], |
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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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_switch_rules( |
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enabled = java, |
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out = rules, |
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rules_dict = { |
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"@io_grpc_grpc_java//:java_grpc_library.bzl": ["java_grpc_library"], |
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"@com_google_api_codegen//rules_gapic/java:java_gapic.bzl": ["java_gapic_library"], |
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"@com_google_api_codegen//rules_gapic/java:java_gapic_pkg.bzl": ["java_gapic_assembly_gradle_pkg"], |
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}, |
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native_rules = [ |
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"java_proto_library", |
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"java_test", |
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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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_switch_rules( |
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enabled = go, |
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out = rules, |
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rules_dict = { |
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"@io_bazel_rules_go//proto:def.bzl": ["go_proto_library"], |
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"@io_bazel_rules_go//go:def.bzl": ["go_library", "go_test"], |
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"@com_google_api_codegen//rules_gapic/go:go_gapic.bzl": ["go_gapic_srcjar", "go_gapic_library"], |
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"@com_google_api_codegen//rules_gapic/go:go_gapic_pkg.bzl": ["go_gapic_assembly_pkg"], |
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}, |
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rules["java_gapic_library"] = _switch( |
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java and gapic, |
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"@com_google_api_codegen//rules_gapic/java:java_gapic.bzl", |
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) |
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rules["java_resource_name_proto_library"] = _switch( |
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java and gapic, |
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"@com_google_api_codegen//rules_gapic/java:java_gapic.bzl", |
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) |
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rules["java_gapic_assembly_gradle_pkg"] = _switch( |
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java and gapic, |
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"@com_google_api_codegen//rules_gapic/java:java_gapic_pkg.bzl", |
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) |
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rules["java_test"] = _switch( |
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java and gapic, |
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"native.java_test", |
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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_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 gapic, |
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"@io_bazel_rules_go//go:def.bzl", |
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) |
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rules["go_gapic_srcjar"] = _switch( |
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go and gapic, |
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"@com_google_api_codegen//rules_gapic/go:go_gapic.bzl", |
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) |
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rules["go_gapic_library"] = _switch( |
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go and gapic, |
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"@com_google_api_codegen//rules_gapic/go:go_gapic.bzl", |
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) |
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rules["go_gapic_assembly_pkg"] = _switch( |
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go and gapic, |
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"@com_google_api_codegen//rules_gapic/go:go_gapic_pkg.bzl", |
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) |
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rules.update(rules_override) |
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switched_rules( |
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name = name, |
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enabled_rules = rules.enabled_rules, |
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enabled_native_rules = rules.enabled_native_rules, |
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disabled_rules = rules.disabled_rules, |
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rules = rules, |
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) |
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def _switch(enabled, enabled_value): |
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return enabled_value if enabled else "" |
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Google APIs
6 years ago
committed by
Copybara-Service