Query a RPM spec file. More information: https://manned.org/rpmspec.
rpmspec --query {{path/to/rpm.spec}}
--queryformat
:rpmspec --querytags
rpmspec --query --queryformat "{{%{name}: %{summary}\n}}" {{path/to/rpm.spec}}
rpmspec --query --srpm {{path/to/rpm.spec}}
stdout
:rpmspec --parse {{path/to/rpm.spec}}