Something I hope you know before go into the coding~
First, please watch or star this repo, I'll be more happy if you follow me.
Bug report, questions and discussion are welcome, you can post an issue or pull a request.
Mock is a simple program that will build source RPMs inside a chroot. It doesn't do anything fancy other than populating a chroot with the contents specified by a configuration file, then build any input SRPM(s) in that chroot.
$ mock -r rocky-8-x86_64 package.src.rpm
...
Finish: rpmbuild packagei-1.98-1.fc35.src.rpm
Finish: build phase for package-1.98-1.fc35.src.rpm
INFO: Done(package.src.rpm) Config(fedora-35-x86_64) 2 minutes 14 seconds
INFO: Results and/or logs in: /var/lib/mock/fedora-35-x86_64/result
$ ls /var/lib/mock/fedora-35-x86_64/result
build.log package-1.98-1.fc35.noarch.rpm package-1.98-1.fc35.src.rpm hw_info.log installed_pkgs.log root.log state.log
$ mock -r centos-stream+epel-9-s390x package.src.rpm
...
$ mock -r alma+epel-8-x86_64 package.src.rpm
...