$ git clone -n https://git.centos.org/rpms/libbase.git /var/lib/mock/dist-c8-build-4588-280/root/chroot_tmpdir/scmroot/libbase
Cloning into '/var/lib/mock/dist-c8-build-4588-280/root/chroot_tmpdir/scmroot/libbase'...
remote: Welcome to repoSpanner 0.5+10.e4df0439a0f696f71c1f2fee285dc2022d435839.el7.infra, node centos01.rpms.fedoraproject.org        
remote: Building packfile        
remote: Packfile built, sending        
remote: Packfile sent        
$ git reset --hard 6a1a75c678845e2b57ba53d6563f219e99093816
HEAD is now at 6a1a75c import libbase-1.1.3-18.el8