See also ,
Populate CRAN subdirectory src/contrib/x.y.z/Recommended
for patch releases at START (T-10)
(and for Dot-zero releases at START (T-31), typically already there)
cd /srv/ftp/pub/R/src/contrib
mkdir x.y.z
cp -pr x.y-patched/Recommended x.y.z
Populate CRAN subdirectory x.y-patched at PRERELEASE (T-3)
cd /srv/ftp/pub/R/src/contrib
mkdir x.y-patched
cp -pr x.y.0/Recommended x.y-patched