/usr/lib/swipl/library/prolog_pack.pl
AllApplicationManualNameSummaryHelp

 pack_install(+Name, +Options) is det
Install package Name. Processes the options below. Default options as would be used by pack_install/1 are used to complete the provided Options.
url(+URL)
Source for downloading the package
package_directory(+Dir)
Directory into which to install the package
interactive(+Boolean)
Use default answer without asking the user if there is a default action.
silent(+Boolean)
If true (default false), suppress informational progress messages.
upgrade(+Boolean)
If true (default false), upgrade package if it is already installed.
git(+Boolean)
If true (default false unless URL ends with =.git=), assume the URL is a GIT repository.

Non-interactive installation can be established using the option interactive(false). It is adviced to install from a particular trusted URL instead of the plain pack name for unattented operation.