Function analyze_local_only 

pub fn analyze_local_only(
    workspace: &Path,
    builder: &mut GraphBuilder,
) -> Result<()>

Variant of analyze that passes --no-deps to cargo metadata. External crates are not enumerated and metadata.resolve is None, so the resulting graph contains only the workspace’s local crates, their modules, files, and traits — no external crate nodes and no crate-level Uses edges into externals.

Use when third-party dependencies are unavailable (e.g. private git deps without credentials) or when the analysis intentionally focuses on the local code.