$ git clone -n https://src.fedoraproject.org/rpms/TOPCOM.git /var/lib/mock/f31-build-51671-27519/root/chroot_tmpdir/scmroot/TOPCOM
Cloning into '/var/lib/mock/f31-build-51671-27519/root/chroot_tmpdir/scmroot/TOPCOM'...
$ git reset --hard c153b61b1f4dc587d8552daa63c722f1e772a209
HEAD is now at c153b61 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild