$ git clone -n https://src.fedoraproject.org/rpms/R-yaml.git /var/lib/mock/f31-build-74289-31105/root/chroot_tmpdir/scmroot/R-yaml
Cloning into '/var/lib/mock/f31-build-74289-31105/root/chroot_tmpdir/scmroot/R-yaml'...
$ git reset --hard 7cf260f95c078b760a2789ce262051b276321cc8
HEAD is now at 7cf260f - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild