}
		}

		# Resolve version numbers to checkin IDs
		## XXX: TODO
		set cache_tcl_version $build_tcl_version
		if {$build_tcl_version == "fossil_trunk"} {
			set cache_tcl_version [clock format [clock seconds] -format {%Y%m%d}]
		}

		set cache_kitcreator_version $build_kitcreator_version
		if {$build_kitcreator_version == "trunk"} {
			set cache_kitcreator_version [clock format [clock seconds] -format {%Y%m%d}]
		}

		# Generate a serialized hash that represents the state of the build
		## Load a secret so keys cannot be pre-computed (but remain consistent)
		set secretfd [open $secretfile "r"]
		set secret [gets $secretfd]
		close $secretfd