1 files changed, 11 insertions, 6 deletions
diff --git a/pkgs/rust/default.nix b/pkgs/rust/default.nix
index f6c7eb7..c26cf9d 100644
--- a/pkgs/rust/default.nix
+++ b/pkgs/rust/default.nix
@@ -31,10 +31,15 @@ let
       resolvedJson = path + "/Cargo.json";
     };
 
-  # The checkout's Cargo.lock, to check the JSON plan against.
-  localLock = path:
-    lib.optionalAttrs (builtins.pathExists (path + "/Cargo.lock")) {
-      cargoLock = path + "/Cargo.lock";
+  # Checks the JSON plan against the checkout's Cargo.lock and Cargo.toml.
+  # These come from dir, not src, because cleanCargoSource drops Cargo.lock
+  # next to a Cargo.json.
+  planChecks = dir:
+    lib.optionalAttrs (builtins.pathExists (dir + "/Cargo.lock")) {
+      cargoLock = dir + "/Cargo.lock";
+    }
+    // lib.optionalAttrs (builtins.pathExists (dir + "/Cargo.toml")) {
+      cargoToml = dir + "/Cargo.toml";
     };
 in
 
@@ -78,10 +83,10 @@ in
       in
         if explicitPackages ? ${pname} then
           assert mylib.debug "pkgs/rust: overriding ${pname}.src with ${mylib.pretty dir}";
-          hrmPlan explicitPackages.${pname} // callArgs explicitPackages.${pname} // { inherit src; } // localLock dir
+          hrmPlan explicitPackages.${pname} // callArgs explicitPackages.${pname} // { inherit src; } // planChecks dir
         else
           assert mylib.debug "pkgs/rust: automatic package ${pname} from ${mylib.pretty dir}";
-          { name = pname; inherit src; } // localLock dir
+          { name = pname; inherit src; } // planChecks dir
       )
       automaticPackages;