$ curl cheat.sh/

# rpmbuild
# RPM Package Build tool.
# More information: <https://docs.fedoraproject.org/en-US/quick-docs/creating-rpm-packages/>.

# Build binary and source packages:
rpmbuild -ba path/to/spec_file

# Build a binary package without source package:
rpmbuild -bb path/to/spec_file

# Specify additional variables when building a package:
rpmbuild -bb path/to/spec_file --define "variable1 value1" --define "variable2 value2"

$

Follow @igor_chubin cheat.sh tldr