# User-replaceable function get the home directory of the current user
	proc get_homedir {} {
		return [::appfsd::get_homedir]
	}

	# User-replacable function to update permissions
	proc change_perms {file perms} {
	proc change_perms {file sha1 perms} {
		if {[info exists ::appfs::user::add_perms($file)]} {
			append perms $::appfs::user::add_perms($file)
		}

		if {[info exists ::appfs::user::add_perms($sha1)]} {
			append perms $::appfs::user::add_perms($sha1)
		}

		return $perms
	}
}

namespace eval ::appfs {
	variable cachedir "/tmp/appfs-cache"

						set directory [join [lrange $work 0 end-1] "/"]
						set file [lindex $work end]

						if {$directory == "" && $file == ""} {
							array set retval [list type directory]
						}

						::appfs::db eval {SELECT type, time, source, size, perms FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_directory = $directory AND file_name = $file;} retval {}
						::appfs::db eval {SELECT type, time, source, size, perms, file_sha1 FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_directory = $directory AND file_name = $file;} retval {}

						# Allow an administrator to supply additional permissions to remote files
						if {[info exists retval(perms)]} {
							# Lower case this in case an upper-cased value was put in
							# the database before we started lowercasing them
							set retval(perms) [string tolower $retval(perms)]

							set retval(perms) [::appfs::user::change_perms $path $retval(perms)]
							set retval(perms) [::appfs::user::change_perms $path $retval(file_sha1) $retval(perms)]
						}

						if {[info exists retval(type)] && $retval(type) == "directory"} {
							set retval(childcount) [llength [getchildren $path]]
						}

						unset -nocomplain retval(*)