Include workspace folder name in cargo_target_dir

Author: Algunenano

cmake/Corrosion.cmake

@@ -737,8 +737,13 @@ function(_add_cargo_build out_cargo_build_out_dir)
     # We set a target folder based on the manifest path so if you build multiple workspaces (or standalone projects
     # without workspace) they won't collide if they use a common dependency. This would confuse cargo and trigger
     # unnecessary rebuilds
-    string(SHA1 CARGO_TARGET_SUBDIR ${workspace_manifest_path})
-    set(cargo_target_dir "${CMAKE_BINARY_DIR}/${build_dir}/cargo/build/${CARGO_TARGET_SUBDIR}")
+    cmake_path(GET workspace_manifest_path PARENT_PATH parent_path)
+    cmake_path(GET parent_path PARENT_PATH grandparent_path)
+    string(REPLACE "${grandparent_path}/" "" cargo_folder_name "${parent_path}")
+    string(SHA1 cargo_path_hash ${workspace_manifest_path})
+    # Include a hash of the full path in case there are multiple projects with the same folder name
+    string(SUBSTRING "${cargo_path_hash}" 0 5 cargo_path_hash)
+    set(cargo_target_dir "${CMAKE_BINARY_DIR}/${build_dir}/cargo/build/${cargo_folder_name}_${cargo_path_hash}")
     set(cargo_build_dir "${cargo_target_dir}/${target_artifact_dir}/${build_type_dir}")
     set("${out_cargo_build_out_dir}" "${cargo_build_dir}" PARENT_SCOPE)