Re-hash packages in the renv cache, ensuring that any previously-cached
packages are copied to a new cache location appropriate for this version of
renv. This can be useful if the cache scheme has changed in a new version
of renv, but you'd like to preserve your previously-cached packages.
rehash(confirm = interactive())Boolean; prompt the user before taking any action?
Any packages which are re-hashed will retain links to the location of the
newly-hashed package, ensuring that prior installations of renv can still
function as expected.