Installs all dependencies of a package tree (or source package file),
without installing the package tree itself. It installs the development
dependencies as well, specified in the
Suggests field of
local_install_dev_deps(root = ".", lib = .libPaths(), upgrade = FALSE, ask = interactive())
Path to the package tree.
Package library to install the packages to. Note that all dependent packages will the be installed here, even if they are already installed in another library.
Whether to upgrade already installed packages to the
latest available version. If this is
Whether to ask for confirmation.