59241484_an_RPM_package___FedoraProject__Reads
[Stage] src [Writes] %_srcrpmdir [Action] This creates a source RPM package (.src.rpm) inside the source RPM directory %_srcrpmdir. These files are needed for reviewing and updating packages. [Reads] 
%_sourcedir
% _ s o u r c e d i r
% _ b u i l d d i r
% _ b u i l d r o o t d i r
How to create an RPM package - FedoraProject