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csharp

README.md

C# rules

Rules for generating C# protobuf and gRPC .cs files and libraries using standard Protocol Buffers and gRPC. Libraries are created with core_library from rules_dotnet

NOTE 1: the csharp_* rules currently don't play nicely with sandboxing. You may see errors like:

The user's home directory could not be determined. Set the 'DOTNET_CLI_HOME' environment variable to specify the directory to use.

or

System.ArgumentNullException: Value cannot be null.
Parameter name: path1
   at System.IO.Path.Combine(String path1, String path2)
   at Microsoft.DotNet.Configurer.CliFallbackFolderPathCalculator.get_DotnetUserProfileFolderPath()
   at Microsoft.DotNet.Configurer.FirstTimeUseNoticeSentinel..ctor(CliFallbackFolderPathCalculator cliFallbackFolderPathCalculator)
   at Microsoft.DotNet.Cli.Program.ProcessArgs(String[] args, ITelemetry telemetryClient)
   at Microsoft.DotNet.Cli.Program.Main(String[] args)

To remedy this, use --strategy=CoreCompile=standalone for the csharp rules (put it in your .bazelrc file).

NOTE 2: the csharp nuget dependency sha256 values do not appear stable.

Rule Description
csharp_proto_compile Generates C# protobuf .cs artifacts
csharp_grpc_compile Generates C# protobuf+gRPC .cs artifacts
csharp_proto_library Generates a C# protobuf library using core_library from rules_dotnet
csharp_grpc_library Generates a C# protobuf+gRPC library using core_library from rules_dotnet

csharp_proto_compile

Generates C# protobuf .cs artifacts

WORKSPACE

load("@rules_proto_grpc//csharp:repositories.bzl", rules_proto_grpc_csharp_repos="csharp_repos")

rules_proto_grpc_csharp_repos()

BUILD.bazel

load("@rules_proto_grpc//csharp:defs.bzl", "csharp_proto_compile")

csharp_proto_compile(
    name = "person_csharp_proto",
    deps = ["@rules_proto_grpc//example/proto:person_proto"],
)

Attributes

Name Type Mandatory Default Description
deps list<ProtoInfo> true [] List of labels that provide a ProtoInfo (such as native.proto_library)
verbose int false 0 The verbosity level. Supported values and results are 1: show command, 2: show command and sandbox after running protoc, 3: show command and sandbox before and after running protoc, 4. show env, command, expected outputs and sandbox before and after running protoc

csharp_grpc_compile

Generates C# protobuf+gRPC .cs artifacts

WORKSPACE

load("@rules_proto_grpc//csharp:repositories.bzl", rules_proto_grpc_csharp_repos="csharp_repos")

rules_proto_grpc_csharp_repos()

load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")

grpc_deps()

BUILD.bazel

load("@rules_proto_grpc//csharp:defs.bzl", "csharp_grpc_compile")

csharp_grpc_compile(
    name = "greeter_csharp_grpc",
    deps = ["@rules_proto_grpc//example/proto:greeter_grpc"],
)

Attributes

Name Type Mandatory Default Description
deps list<ProtoInfo> true [] List of labels that provide a ProtoInfo (such as native.proto_library)
verbose int false 0 The verbosity level. Supported values and results are 1: show command, 2: show command and sandbox after running protoc, 3: show command and sandbox before and after running protoc, 4. show env, command, expected outputs and sandbox before and after running protoc

csharp_proto_library

NOTE: this rule is EXPERIMENTAL. It may not work correctly or even compile!

Generates a C# protobuf library using core_library from rules_dotnet

WORKSPACE

load("@rules_proto_grpc//csharp:repositories.bzl", rules_proto_grpc_csharp_repos="csharp_repos")

rules_proto_grpc_csharp_repos()

load(
    "@io_bazel_rules_dotnet//dotnet:defs.bzl",
    "core_register_sdk",
    "dotnet_register_toolchains",
    "dotnet_repositories",
)

core_version = "v2.1.503"

dotnet_register_toolchains(
    core_version = core_version,
)

core_register_sdk(
    name = "core_sdk",
    core_version = core_version,
)

dotnet_repositories()

load("@rules_proto_grpc//csharp/nuget:packages.bzl", nuget_packages = "packages")

nuget_packages()

load("@rules_proto_grpc//csharp/nuget:nuget.bzl", "nuget_protobuf_packages")

nuget_protobuf_packages()

BUILD.bazel

load("@rules_proto_grpc//csharp:defs.bzl", "csharp_proto_library")

csharp_proto_library(
    name = "person_csharp_library",
    deps = ["@rules_proto_grpc//example/proto:person_proto"],
)

Flags

Category Flag Value Description
build strategy CoreCompile=standalone dotnet SDK desperately wants to find the HOME directory

Attributes

Name Type Mandatory Default Description
deps list<ProtoInfo> true [] List of labels that provide a ProtoInfo (such as native.proto_library)
verbose int false 0 The verbosity level. Supported values and results are 1: show command, 2: show command and sandbox after running protoc, 3: show command and sandbox before and after running protoc, 4. show env, command, expected outputs and sandbox before and after running protoc

csharp_grpc_library

NOTE: this rule is EXPERIMENTAL. It may not work correctly or even compile!

Generates a C# protobuf+gRPC library using core_library from rules_dotnet

WORKSPACE

load("@rules_proto_grpc//csharp:repositories.bzl", rules_proto_grpc_csharp_repos="csharp_repos")

rules_proto_grpc_csharp_repos()

load(
    "@io_bazel_rules_dotnet//dotnet:defs.bzl",
    "core_register_sdk",
    "dotnet_register_toolchains",
    "dotnet_repositories",
)

core_version = "v2.1.503"

dotnet_register_toolchains(
    core_version = core_version,
)

core_register_sdk(
    name = "core_sdk",
    core_version = core_version,
)

dotnet_repositories()

load("@rules_proto_grpc//csharp/nuget:packages.bzl", nuget_packages = "packages")

nuget_packages()

load("@rules_proto_grpc//csharp/nuget:nuget.bzl", "nuget_protobuf_packages")

nuget_protobuf_packages()

load("@rules_proto_grpc//csharp/nuget:nuget.bzl", "nuget_grpc_packages")

nuget_grpc_packages()

BUILD.bazel

load("@rules_proto_grpc//csharp:defs.bzl", "csharp_grpc_library")

csharp_grpc_library(
    name = "greeter_csharp_library",
    deps = ["@rules_proto_grpc//example/proto:greeter_grpc"],
)

Flags

Category Flag Value Description
build strategy CoreCompile=standalone dotnet SDK desperately wants to find the HOME directory

Attributes

Name Type Mandatory Default Description
deps list<ProtoInfo> true [] List of labels that provide a ProtoInfo (such as native.proto_library)
verbose int false 0 The verbosity level. Supported values and results are 1: show command, 2: show command and sandbox after running protoc, 3: show command and sandbox before and after running protoc, 4. show env, command, expected outputs and sandbox before and after running protoc