It will download and install package from devel repository only when new commit is available there, otherwise only PACKAGES file is transferred. Defaults are set to update
data.table, other packages can be used as well. Their repository has to include git commit information in PACKAGES file.
# S3 method for dev.pkg update(object="data.table", repo="https://Rdatatable.gitlab.io/data.table", field="Revision", type=getOption("pkgType"), lib=NULL, ...)
character scalar, package name.
character scalar, url of package devel repository.
character scalar, metadata field to use in PACKAGES file and
DESCRIPTION file, default
character scalar, default
character scalar, library location where package is meant to be upgraded.
In case if a devel repository does not provide binaries user will need development tools installed for package compilation, like Rtools on Windows, and eventually set
Package namespace is unloaded before attempting to install newer version.