When doing the mv we should check whether source is 'above' dest on file path tree. This patch make the check logic more precise.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Samer El-Haj-Mahmoud <elhaj@hp.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17750 6f19259b-4bc3-4df7-8a09-765794883524
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