HasDatabaseFormat returns true if the filename matches a pacman package format that we can do anything with.

HasPackageFormat returns true if the filename matches a pacman package format that we can do anything with.

VerCmp compares two version strings in a way mostly compatible to the Arch Linux vercmp utility.

PackageGlob is a glob that should only find packages.

PackageRegex is a regex that matches MOST well-named packages.

DatabaseExtensions is a list of filename extensions that should only match for valid databases.

PackageExtensions is a list of filename extensions that should only match for packages.