$ git clone -n https://git.centos.org/rpms/rubygem-pg /var/lib/mock/module-ruby-2.6-8010020191122185822-cdc1202b-build-12982-3624/root/chroot_tmpdir/scmroot/rubygem-pg
Cloning into '/var/lib/mock/module-ruby-2.6-8010020191122185822-cdc1202b-build-12982-3624/root/chroot_tmpdir/scmroot/rubygem-pg'...
$ git reset --hard e486a1d7d6fdb9d9dca75533fcf8d2d013da6949
HEAD is now at e486a1d import rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0