%install section of a rpm spec file deletes the directory $RPM_BUILD_ROOT in Red Hat Enterprise Linux 7

Solution Unverified - Updated 2018-12-04T04:09:32+00:00 -

Issue

I have a custom rpm spec file, and it copies some files into $RPM_BUILD_ROOT in %prep section.
But, those files are deleted in %install section.
This doesn't happen in Red Hat Enterprise Linux 5.

Red Hat Enterprise Linux 7

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