Ensure the given packages are installed. Can take a flat collection of packages, passed as symbols, strings, or keywords, or, alternatively, a map of packages to version strings.

Given a list of pkgin packages (strings, symbols, keywords, etc), returns the set of packages which are installed, as strings.

Given a package name, determines the installed version of that package, or nil if it is not installed.

Are the given packages, or singular package, installed on the current system?

Pkgin update if we haven’t done so recently.

Makes sure the hostfile has a loopback entry for the local hostname

When did we last run a pkgin update, in seconds ago

Removes a package or packages.

Pkgin update.