Merge pull request dtolnay#1337 from dtolnay/cratesio

Rename @third_party Bazel repo to @crates.io

Author: dtolnay

BUILD

@@ -28,11 +28,11 @@ rust_binary(
     data = ["gen/cmd/src/gen/include/cxx.h"],
     edition = "2021",
     deps = [
-        "@third_party//:clap",
-        "@third_party//:codespan-reporting",
-        "@third_party//:proc-macro2",
-        "@third_party//:quote",
-        "@third_party//:syn",
+        "@crates.io//:clap",
+        "@crates.io//:codespan-reporting",
+        "@crates.io//:proc-macro2",
+        "@crates.io//:quote",
+        "@crates.io//:syn",
     ],
 )
 
@@ -55,9 +55,9 @@ rust_proc_macro(
     srcs = glob(["macro/src/**/*.rs"]),
     edition = "2021",
     deps = [
-        "@third_party//:proc-macro2",
-        "@third_party//:quote",
-        "@third_party//:syn",
+        "@crates.io//:proc-macro2",
+        "@crates.io//:quote",
+        "@crates.io//:syn",
     ],
 )
 
@@ -67,13 +67,13 @@ rust_library(
     data = ["gen/build/src/gen/include/cxx.h"],
     edition = "2021",
     deps = [
-        "@third_party//:cc",
-        "@third_party//:codespan-reporting",
-        "@third_party//:once_cell",
-        "@third_party//:proc-macro2",
-        "@third_party//:quote",
-        "@third_party//:scratch",
-        "@third_party//:syn",
+        "@crates.io//:cc",
+        "@crates.io//:codespan-reporting",
+        "@crates.io//:once_cell",
+        "@crates.io//:proc-macro2",
+        "@crates.io//:quote",
+        "@crates.io//:scratch",
+        "@crates.io//:syn",
     ],
 )
 
@@ -84,10 +84,10 @@ rust_library(
     edition = "2021",
     visibility = ["//visibility:public"],
     deps = [
-        "@third_party//:cc",
-        "@third_party//:codespan-reporting",
-        "@third_party//:proc-macro2",
-        "@third_party//:quote",
-        "@third_party//:syn",
+        "@crates.io//:cc",
+        "@crates.io//:codespan-reporting",
+        "@crates.io//:proc-macro2",
+        "@crates.io//:quote",
+        "@crates.io//:syn",
     ],
 )

MODULE.bazel

@@ -12,4 +12,4 @@ use_repo(rust, "rust_toolchains")
 register_toolchains("@rust_toolchains//:all")
 
 crate_repositories = use_extension("//tools/bazel:extension.bzl", "crate_repositories")
-use_repo(crate_repositories, third_party = "vendor")
+use_repo(crate_repositories, "crates.io")

MODULE.bazel.lock

@@ -1,10 +1,20 @@
-load("//third-party/bazel:crates.bzl", _crate_repositories = "crate_repositories")
+load("//third-party/bazel:defs.bzl", _crate_repositories = "crate_repositories")
+
+def _crates_vendor_remote_repository_impl(repository_ctx):
+    repository_ctx.symlink(repository_ctx.attr.build_file, "BUILD.bazel")
+
+_crates_vendor_remote_repository = repository_rule(
+    implementation = _crates_vendor_remote_repository_impl,
+    attrs = {
+        "build_file": attr.label(mandatory = True),
+    },
+)
 
 def _crate_repositories_impl(module_ctx):
     _crate_repositories()
-    return module_ctx.extension_metadata(
-        root_module_direct_deps = ["vendor"],
-        root_module_direct_dev_deps = [],
+    _crates_vendor_remote_repository(
+        name = "crates.io",
+        build_file = "//third-party/bazel:BUILD.bazel",
     )
 
 crate_repositories = module_extension(