if {![info exists ::appfs::db]} {
			file mkdir $::appfs::cachedir

			sqlite3 ::appfs::db [file join $::appfs::cachedir cache.db]
		}

		_db eval {CREATE TABLE IF NOT EXISTS packages(hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest);}
		_db eval {CREATE TABLE IF NOT EXISTS files(package_sha1, type, time, source, size, file_sha1, file_name, file_directory);}
	}

	proc download {hostname hash {method sha1}} {
		set url "http://$hostname/appfs/$method/$hash"
		set file [_cachefile $url $hash]

				continue
			}

			if {$pkgInfo(isLatest)} {
				_db eval {UPDATE packages SET isLatest = 0 WHERE hostname = $hostname AND package = $pkgInfo($package) AND os = $pkgInfo($package) AND cpuArch = $pkgInfo(cpuArch);}
			}

			_db eval {INSERT INTO packages (hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest) VALUES ($hostname, $pkgInfo(hash), $pkgInfo(package), $pkgInfo(version), $pkgInfo(os), $pkgInfo(cpuArch), $pkgInfo(isLatest), 0);}

		}

		return COMPLETE
	}

	proc getpkgmanifest {hostname package_sha1} {
		set haveManifests [_db eval {SELECT haveManifest FROM packages WHERE sha1 = $package_sha1 LIMIT 1;}]
		set haveManifest [lindex $haveManifests 0]

		if {$haveManifest} {
			return COMPLETE
		}

		set file [download $hostname $package_sha1]
		set fd [open $file]
		set pkgdata [read $fd]
		close $fd

		foreach line [split $pkgdata "\n"] {
			set line [string trim $line]

				}
				"symlink" {
					set fileInfo(source) [lindex $work 0]
				}
			}

			_db eval {INSERT INTO files (package_sha1, type, time, source, size, file_sha1, file_name, file_directory) VALUES ($package_sha1, $fileInfo(type), $fileInfo(time), $fileInfo(source), $fileInfo(size), $fileInfo(sha1), $fileInfo(name), $fileInfo(directory) );}
			_db eval {UPDATE packages SET haveManifest = 1 WHERE sha1 = $package_sha1;}
		}

		return COMPLETE
	}
}