$ git clone -n https://src.fedoraproject.org/rpms/root.git /var/lib/mock/f40-build-775470-128084/root/chroot_tmpdir/scmroot/root
Cloning into '/var/lib/mock/f40-build-775470-128084/root/chroot_tmpdir/scmroot/root'...
$ git reset --hard 63c341633f6396b3aa4fe09855f0839c464fa9d0
HEAD is now at 63c3416 Define PYTHON_EXECUTABLE when calling cmake (Fixes EPEL 8 build)