Customize RustToolchainInfo

tools/buck/toolchains/BUCK

@@ -1,9 +1,9 @@
+load(":rust.bzl", "rust_toolchain")
 load("@prelude//tests:test_toolchain.bzl", "noop_test_toolchain")
 load("@prelude//toolchains:cxx.bzl", "system_cxx_toolchain")
 load("@prelude//toolchains:genrule.bzl", "system_genrule_toolchain")
 load("@prelude//toolchains:python.bzl", "system_python_bootstrap_toolchain")
 load("@prelude//toolchains:remote_test_execution.bzl", "remote_test_execution_toolchain")
-load("@prelude//toolchains:rust.bzl", "system_rust_toolchain")
 
 system_cxx_toolchain(
     name = "cxx",
@@ -30,10 +30,8 @@ system_python_bootstrap_toolchain(
     visibility = ["PUBLIC"],
 )
 
-system_rust_toolchain(
+rust_toolchain(
     name = "rust",
-    default_edition = None,
-    doctests = True,
     visibility = ["PUBLIC"],
 )
 

tools/buck/toolchains/rust.bzl

@@ -0,0 +1,19 @@
+load("@prelude//rust:rust_toolchain.bzl", "PanicRuntime", "RustToolchainInfo")
+
+def _rust_toolchain_impl(ctx):
+    return [
+        DefaultInfo(),
+        RustToolchainInfo(
+            advanced_unstable_linking = True,
+            clippy_driver = RunInfo(args = ["clippy-driver"]),
+            compiler = RunInfo(args = ["rustc"]),
+            panic_runtime = PanicRuntime("unwind"),
+            rustdoc = RunInfo(args = ["rustdoc"]),
+        ),
+    ]
+
+rust_toolchain = rule(
+    impl = _rust_toolchain_impl,
+    attrs = {},
+    is_toolchain_rule = True,
+)