#! /usr/bin/env tclsh

package require http 2.7
package require sqlite3

if {[catch {
	package require sha1
package require sha1
}]} {
	@@SHA1.TCL@@
	package require sha1
}

namespace eval ::appfs {
	variable cachedir "/tmp/appfs-cache"
	variable ttl 3600
	variable nttl 60

	proc _hash_sep {hash {seps 4}} {