  We present a new calculation of the ${}^6{\rm Li}(p,\gamma){}^7{\rm Be}$
radiative capture astrophysical $S$-factor in a cluster model framework. We
consider several intercluster potentials, adjusted to reproduce the ${}^7{\rm
Be}$ bound state properties and the $p-{}^6{\rm Li}$ elastic scattering phase
shifts. Using these potentials, we calculate the astrophysical $S$-factor,
obtaining a good agreement with available data, and the photon angular
distribution. Finally, we discuss the consequences of a hypothetical
resonance-like structure on the $S$-factor.
