Generate Rust library rules with rulegen
This commit is contained in:
Adam Liddell
parent
35baca2fb2
commit
49f68d78b0
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@ -489,8 +489,8 @@ Attributes
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- false
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- ``//rust/crates:prost-derive``
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- The prost-derive dependency that the rust library should depend on.
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* - ``tonic_dep``
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* - ``tonic_deps``
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- ``label``
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- false
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- ``//rust/crates:tonic``
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- The tonic dependency that the rust library should depend on.
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- ``[//rust/crates:tonic]``
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- The tonic dependencies that the rust library should depend on.
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@ -7,6 +7,7 @@ load("//rust:rust_fixer.bzl", "rust_proto_crate_fixer", "rust_proto_crate_root")
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load("@rules_rust//rust:defs.bzl", "rust_library")
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def _crate(name):
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"""Convert a simple crate name into its full label."""
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return Label("//rust/3rdparty/crates:" + name)
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# We assume that all targets in prost_proto_deps[] were also generated with this macro.
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@ -1,4 +1,4 @@
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"""Generated definition of rust_prost_proto_library."""
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"""Generated definition of rust_tonic_grpc_library."""
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load("//rust:compile.bzl", "prost_compile_attrs")
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load("//rust:rust_tonic_grpc_compile.bzl", "rust_tonic_grpc_compile")
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@ -7,6 +7,7 @@ load("//rust:rust_fixer.bzl", "rust_proto_crate_fixer", "rust_proto_crate_root")
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load("@rules_rust//rust:defs.bzl", "rust_library")
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def _crate(name):
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"""Convert a simple crate name into its full label."""
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return Label("//rust/3rdparty/crates:" + name)
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# We assume that all targets in prost_proto_deps[] were also generated with this macro.
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@ -28,10 +29,13 @@ def rust_tonic_grpc_library(name, **kwargs): # buildifier: disable=function-doc
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name_pb = name + "_pb"
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name_fixed = name_pb + "_fixed"
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name_root = name + "_root"
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prost_proto_deps = kwargs.get("prost_proto_deps", [])
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prost_proto_compiled_targets = _prepare_prost_proto_deps(prost_proto_deps)
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rust_tonic_grpc_compile(
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name = name_pb,
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crate_name = name,
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prost_proto_deps = prost_proto_compiled_targets,
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**{
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k: v
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@ -62,11 +66,12 @@ def rust_tonic_grpc_library(name, **kwargs): # buildifier: disable=function-doc
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crate_name = kwargs.get("crate_name"),
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srcs = [name_fixed],
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deps = kwargs.get("prost_deps", [_crate("prost"), _crate("prost-types")]) +
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[kwargs.get("tonic_dep", _crate("tonic"))] +
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kwargs.get("pbjson_deps", [_crate("pbjson-types"), _crate("pbjson")]) +
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kwargs.get("serde_deps", [_crate("serde")]) + # Label(CRATES_PATH + ":serde-types")
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kwargs.get("deps", []) + prost_proto_deps,
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proc_macro_deps = [kwargs.get("prost_derive_dep", Label("//rust/3rdparty/crates:prost-derive"))],
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kwargs.get("serde_deps", [_crate("serde")]) +
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kwargs.get("tonic_deps", [_crate("tonic")]) +
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kwargs.get("deps", []) +
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prost_proto_deps,
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proc_macro_deps = [kwargs.get("prost_derive_dep", _crate("prost-derive"))],
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**{
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k: v
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for (k, v) in kwargs.items()
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@ -60,48 +60,60 @@ load("@rules_proto_grpc//rust:crate_deps.bzl", "crate_repositories")
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crate_repositories()
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`)
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var rustLibraryRuleTemplateString = `load("//{{ .Lang.Dir }}:{{ .Rule.Base }}_{{ .Rule.Kind }}_compile.bzl", "{{ .Rule.Base }}_{{ .Rule.Kind }}_compile")
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var rustLibraryRuleTemplateString = `load("//rust:compile.bzl", "prost_compile_attrs")
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load("//{{ .Lang.Dir }}:{{ .Rule.Base }}_{{ .Rule.Kind }}_compile.bzl", "{{ .Rule.Base }}_{{ .Rule.Kind }}_compile")
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load("//:defs.bzl", "bazel_build_rule_common_attrs", "proto_compile_attrs")
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load("//{{ .Lang.Dir }}:rust_fixer.bzl", "rust_proto_crate_fixer", "rust_proto_crate_root") # @unused
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load("//{{ .Lang.Dir }}:rust_fixer.bzl", "rust_proto_crate_fixer", "rust_proto_crate_root")
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load("@rules_rust//rust:defs.bzl", "rust_library")
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def _crate(name):
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"""Convert a simple crate name into its full label."""
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return Label("//rust/3rdparty/crates:" + name)
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# We assume that all targets in prost_proto_deps[] were also generated with this macro.
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# For convenience we append the _pb suffix if its missing to allow users to provide the same name as they used when
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# they used this macro to generate that dependency.
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def _prepare_prost_proto_deps(prost_proto_deps):
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prost_proto_compiled_targets = []
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for dep in prost_proto_deps:
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if dep.endswith("_pb"):
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prost_proto_compiled_targets.append(dep)
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else:
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prost_proto_compiled_targets.append(dep + "_pb")
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return prost_proto_compiled_targets
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def {{ .Rule.Name }}(name, **kwargs): # buildifier: disable=function-docstring
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# Compile protos
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name_pb = name + "_pb"
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name_fixed = name_pb + "_fixed"
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name_root = name + "_root"
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prost_proto_deps = kwargs.get("prost_proto_deps", [])
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prost_proto_compiled_targets = _prepare_prost_proto_deps(prost_proto_deps)
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{{ .Rule.Base }}_{{ .Rule.Kind }}_compile(
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name = name_pb,
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{{ .Common.CompileArgsForwardingSnippet }}
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)
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`
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var rustProstProtoLibraryRuleTemplate = mustTemplate(rustLibraryRuleTemplateString + `
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rust_proto_crate_root(
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name = name_root,
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crate_dir = name_pb,
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crate_name = name,
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prost_proto_deps = prost_proto_compiled_targets,
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**{
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k: v
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for (k, v) in kwargs.items()
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if k in proto_compile_attrs.keys() or
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k in bazel_build_rule_common_attrs or
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k in prost_compile_attrs
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} # Forward args
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)
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# Create {{ .Rule.Base }} library
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rust_library(
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name = name,
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edition = "2021",
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crate_root = name_root,
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crate_name = kwargs.get("crate_name"),
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srcs = [name_pb],
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deps = kwargs.get("prost_deps", [Label("//rust/crates:prost"), Label("//rust/crates:prost-types")]) + kwargs.get("deps", []),
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proc_macro_deps = [kwargs.get("prost_derive_dep", Label("//rust/crates:prost-derive"))],
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{{ .Common.LibraryArgsForwardingSnippet }}
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)
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`)
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var rustTonicGrpcLibraryRuleTemplate = mustTemplate(rustLibraryRuleTemplateString + `
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# fix up imports
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# Fix up imports
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rust_proto_crate_fixer(
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name = name_fixed,
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compilation = name_pb,
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)
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`
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var rustProstProtoLibraryRuleTemplate = mustTemplate(rustLibraryRuleTemplateString + `
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rust_proto_crate_root(
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name = name_root,
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crate_dir = name_fixed,
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@ -111,16 +123,41 @@ var rustTonicGrpcLibraryRuleTemplate = mustTemplate(rustLibraryRuleTemplateStrin
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rust_library(
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name = name,
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edition = "2021",
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crate_root = name_root,
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crate_name = kwargs.get("crate_name"),
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crate_root = name_root,
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crate_name = kwargs.get("crate_name"),
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srcs = [name_fixed],
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deps = kwargs.get("prost_deps", [Label("//rust/crates:prost"), Label("//rust/crates:prost-types")]) +
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[kwargs.get("tonic_dep", Label("//rust/crates:tonic"))] +
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kwargs.get("deps", []),
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proc_macro_deps = [kwargs.get("prost_derive_dep", Label("//rust/crates:prost-derive"))],
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deps = kwargs.get("prost_deps", [_crate("prost"), _crate("prost-types")]) +
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kwargs.get("pbjson_deps", [_crate("pbjson-types"), _crate("pbjson")]) +
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kwargs.get("serde_deps", [_crate("serde")]) +
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kwargs.get("deps", []) +
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prost_proto_deps,
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proc_macro_deps = [kwargs.get("prost_derive_dep", _crate("prost-derive"))],
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{{ .Common.LibraryArgsForwardingSnippet }}
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)`)
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var rustTonicGrpcLibraryRuleTemplate = mustTemplate(rustLibraryRuleTemplateString + `
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rust_proto_crate_root(
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name = name_root,
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crate_dir = name_fixed,
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mod_file = kwargs.get("mod_file"),
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)
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`)
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# Create {{ .Rule.Base }} library
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rust_library(
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name = name,
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edition = "2021",
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crate_root = name_root,
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crate_name = kwargs.get("crate_name"),
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srcs = [name_fixed],
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deps = kwargs.get("prost_deps", [_crate("prost"), _crate("prost-types")]) +
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kwargs.get("pbjson_deps", [_crate("pbjson-types"), _crate("pbjson")]) +
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kwargs.get("serde_deps", [_crate("serde")]) +
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kwargs.get("tonic_deps", [_crate("tonic")]) +
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kwargs.get("deps", []) +
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prost_proto_deps,
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proc_macro_deps = [kwargs.get("prost_derive_dep", _crate("prost-derive"))],
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{{ .Common.LibraryArgsForwardingSnippet }}
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)`)
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// For rust, produce one library for all protos, since they are all in the same crate
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var rustProtoLibraryExampleTemplate = mustTemplate(`load("@rules_proto_grpc//{{ .Lang.Dir }}:defs.bzl", "{{ .Rule.Name }}")
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@ -163,10 +200,10 @@ var rustProstLibraryRuleAttrs = append(append([]*Attr{}, libraryRuleAttrs...), [
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var rustTonicLibraryRuleAttrs = append(append([]*Attr{}, rustProstLibraryRuleAttrs...), []*Attr{
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&Attr{
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Name: "tonic_dep",
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Name: "tonic_deps",
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Type: "label",
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Default: `//rust/crates:tonic`,
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Doc: "The tonic dependency that the rust library should depend on.",
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Default: `[//rust/crates:tonic]`,
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Doc: "The tonic dependencies that the rust library should depend on.",
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Mandatory: false,
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},
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}...)
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