Fix duplicate path resolution in PathExpander by using HashSet as intended#50
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This PR aligns the code with the developer's original intent expressed in comments to use a HashSet for resolving paths and preventing duplicate results (e.g., when
%ProgramFiles%and%ProgramFiles(x86)%point to the same directory).The previous implementation used a
List<string>and performed the checkif (!results.Contains(expanded)), comparing the unresolved path template (with wildcards) to the list of resolved actual paths. This logic bug caused the check to always fail and add duplicates.Changes:
resultsfromList<string>toHashSet<string>internally.!results.Contains(expanded).List<string>via.ToList()before returning.