| """Helper that wraps --proto_compiler into a ProtoLangToolchainInfo for backwards |
| compatibility with --noincompatible_enable_proto_toolchain_resolution. |
| |
| Borrowed from https://github.com/bazelbuild/rules_go/pull/3919 |
| """ |
| |
| load( |
| "@rules_proto//proto:proto_common.bzl", |
| "ProtoLangToolchainInfo", |
| ) |
| |
| def _legacy_proto_toolchain_impl(ctx): |
| return [ |
| ProtoLangToolchainInfo( |
| proto_compiler = ctx.attr._protoc.files_to_run, |
| ), |
| ] |
| |
| legacy_proto_toolchain = rule( |
| implementation = _legacy_proto_toolchain_impl, |
| attrs = { |
| "_protoc": attr.label( |
| cfg = "exec", |
| default = configuration_field(fragment = "proto", name = "proto_compiler"), |
| ), |
| }, |
| fragments = ["proto"], |
| ) |
