From 7513867aa21a638eac86c72c8eae0f9ba834380d Mon Sep 17 00:00:00 2001
From: Daniel McNab <36049421+DJMcNab@users.noreply.github.com>
Date: Sat, 6 Mar 2021 13:56:42 +0000
Subject: If a manual dependency exists, don't overwrite

This is a hack to work around miri being included in
our analysis of rustc-dev
Really, we should probably use an include set of the actual root libraries

I'm not sure how those are determined however
---
 crates/project_model/src/workspace.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/crates/project_model/src/workspace.rs b/crates/project_model/src/workspace.rs
index 10e608547..786d7e5ec 100644
--- a/crates/project_model/src/workspace.rs
+++ b/crates/project_model/src/workspace.rs
@@ -507,7 +507,14 @@ fn cargo_to_crate_graph(
                         continue;
                     }
                     for &from in pkg_crates.get(&pkg).into_iter().flatten() {
-                        add_dep(&mut crate_graph, from, name.clone(), to);
+                        if !crate_graph[from].dependencies.iter().any(|d| d.name == name) {
+                            add_dep(&mut crate_graph, from, name.clone(), to);
+                        } else {
+                            // eprintln!(
+                            //     "Skipped {} for {:?}",
+                            //     &name, &crate_graph[from].display_name
+                            // );
+                        }
                     }
                 }
             }
-- 
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