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With rpm version < 4.13, patch cmd will create .orig file for fuzzy patch in default. And this .orig file may lead to rpmbuild failure "error: Installed (but unpackaged) file(s) found:" Please visit below link to get more detail info: https://bugs.launchpad.net/starlingx/+bug/1794611 Story: 2003917 Task: 27041 Change-Id: I506c34ce40c27b9594edc83bfe597b0b8885b319 Signed-off-by: slin14 <shuicheng.lin@intel.com>