refactor(rust): align workspace with style rules

src/ariadne/BUILD

@@ -4,8 +4,8 @@ rust_library(
     name = "ariadne_lib",
     crate_name = "ariadne",
     srcs = [
+        "ariadne.rs",
         "clew.rs",
-        "lib.rs",
         "pipeline.rs",
     ],
     deps = [
@@ -17,9 +17,10 @@ rust_library(
 rust_binary(
     name = "ariadne",
     crate_name = "ariadne_cli",
-    srcs = ["main.rs"],
+    srcs = ["ariadne_main.rs"],
     deps = [
         ":ariadne_lib",
+        "//src/monorepo:monorepo",
         "//third_party/crates:clap",
     ],
 )

src/ariadne/Cargo.toml

@@ -4,13 +4,14 @@ version = "0.1.0"
 edition = "2024"
 
 [lib]
-path = "lib.rs"
+path = "ariadne.rs"
 
 [[bin]]
 name = "ariadne"
-path = "main.rs"
+path = "ariadne_main.rs"
 
 [dependencies]
-clap = { version = "4", features = ["derive"] }
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
+clap = { workspace = true, features = ["derive"] }
+monorepo = { workspace = true }
+serde = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }

src/ariadne/ariadne_main.rs

@@ -17,7 +17,7 @@ struct Args {
 impl From<Args> for ariadne::Config {
     fn from(args: Args) -> Self {
         ariadne::Config {
-            output_dir: resolve_workspace_path(args.output_dir),
+            output_dir: monorepo::workspace::resolve_workspace_path(args.output_dir),
             force: args.force,
             target_stage: args.target_stage,
         }
@@ -32,19 +32,6 @@ fn parse_stage(value: &str) -> Result<ariadne::pipeline::Stage, String> {
         .ok_or_else(|| format!("unknown stage: {value}"))
 }
 
-// TODO: Move this into a shared Rust utility crate.
-fn resolve_workspace_path(path: PathBuf) -> PathBuf {
-    if path.is_absolute() {
-        return path;
-    }
-
-    if let Some(workspace) = std::env::var_os("BUILD_WORKSPACE_DIRECTORY") {
-        return PathBuf::from(workspace).join(path);
-    }
-
-    path
-}
-
 fn main() -> ariadne::Result<()> {
     let config: ariadne::Config = Args::parse().into();
     ariadne::run(&config)