Add OWNERS for Rust whitelist.

Splits out the Rust paths whitelist into a separate file
under config/ so that OWNERS can be defined for it.

Bug: 141207129
Test: m -j crosvm.experimental
Change-Id: I5effa6783e5c47560b4b1eae12ad0eb9e9ba96fe

Android.bp

@@ -334,6 +334,7 @@ bootstrap_go_package {
     srcs: [
         "rust/config/global.go",
         "rust/config/toolchain.go",
+        "rust/config/whitelist.go",
         "rust/config/x86_linux_host.go",
         "rust/config/x86_64_device.go",
     ],

OWNERS

@@ -4,3 +4,4 @@ per-file ndk_*.go, *gen_stub_libs.py = danalbert@google.com
 per-file clang.go,global.go = srhines@google.com, chh@google.com, pirama@google.com, yikong@google.com
 per-file tidy.go = srhines@google.com, chh@google.com
 per-file lto.go,pgo.go = srhines@google.com, pirama@google.com, yikong@google.com
+per-file rust/config/whitelist.go = ivanlozano@google.com, jeffv@google.com, jgalenson@google.com, srhines@google.com

rust/config/whitelist.go

@@ -0,0 +1,21 @@
+package config
+
+var (
+	RustAllowedPaths = []string{
+		"external/rust/crates",
+		"external/crosvm",
+		"external/adhd",
+	}
+
+	RustModuleTypes = []string{
+		"rust_binary",
+		"rust_binary_host",
+		"rust_library",
+		"rust_library_dylib",
+		"rust_library_rlib",
+		"rust_library_host",
+		"rust_library_host_dylib",
+		"rust_library_host_rlib",
+		"rust_proc_macro",
+	}
+)

rust/rust.go

@@ -29,28 +29,11 @@ var pctx = android.NewPackageContext("android/soong/rust")
 
 func init() {
 	// Only allow rust modules to be defined for certain projects
-	rustModuleTypes := []string{
-		"rust_binary",
-		"rust_binary_host",
-		"rust_library",
-		"rust_library_dylib",
-		"rust_library_rlib",
-		"rust_library_host",
-		"rust_library_host_dylib",
-		"rust_library_host_rlib",
-		"rust_proc_macro",
-	}
-
-	rustAllowedPaths := []string{
-		"external/rust/crates",
-		"external/crosvm",
-		"external/adhd",
-	}
 
 	android.AddNeverAllowRules(
 		android.NeverAllow().
-			NotIn(rustAllowedPaths...).
+			NotIn(config.RustAllowedPaths...).
-			ModuleType(rustModuleTypes...))
+			ModuleType(config.RustModuleTypes...))
 
 	android.RegisterModuleType("rust_defaults", defaultsFactory)
 	android.PreDepsMutators(func(ctx android.RegisterMutatorsContext) {