Origin for each line in xvfs-create-synthetic from check-in fc90ef3457:

c8742de968 2019-09-20        rkeene: #! /usr/bin/env tclsh
c8742de968 2019-09-20        rkeene: 
c8742de968 2019-09-20        rkeene: set sourceDirectory [file dirname [file normalize [info script]]]
c8742de968 2019-09-20        rkeene: lappend auto_path [file join $sourceDirectory lib]
c8742de968 2019-09-20        rkeene: package require xvfs
c8742de968 2019-09-20        rkeene: 
c8742de968 2019-09-20        rkeene: proc ::xvfs::callback::setOutputFileName {args} {
c8742de968 2019-09-20        rkeene: 	return "/"
c8742de968 2019-09-20        rkeene: }
c8742de968 2019-09-20        rkeene: 
fc90ef3457 2019-09-20        rkeene: dict set ::myOwnVFS "" {
fc90ef3457 2019-09-20        rkeene: 	type directory
fc90ef3457 2019-09-20        rkeene: 	children {foo xvfs-create-synthetic}
fc90ef3457 2019-09-20        rkeene: }
fc90ef3457 2019-09-20        rkeene: dict set ::myOwnVFS "foo" {
fc90ef3457 2019-09-20        rkeene: 	type file
fc90ef3457 2019-09-20        rkeene: 	fileContents "abc"
fc90ef3457 2019-09-20        rkeene: }
fc90ef3457 2019-09-20        rkeene: dict set ::myOwnVFS "xvfs-create-synthetic" {
fc90ef3457 2019-09-20        rkeene: 	type file
fc90ef3457 2019-09-20        rkeene: }
fc90ef3457 2019-09-20        rkeene: 
fc90ef3457 2019-09-20        rkeene: proc ::xvfs::callback::addOutputFiles {fsName} {
fc90ef3457 2019-09-20        rkeene: 	dict for {outputName fileContentsDict} $::myOwnVFS {
fc90ef3457 2019-09-20        rkeene: 		set inputFile $outputName
fc90ef3457 2019-09-20        rkeene: 		if {[dict exists $fileContentsDict inputFile]} {
fc90ef3457 2019-09-20        rkeene: 			set inputFile [dict get $fileContentsDict inputFile]
fc90ef3457 2019-09-20        rkeene: 		}
fc90ef3457 2019-09-20        rkeene: 		::xvfs::processFile $fsName $inputFile $outputName $fileContentsDict
fc90ef3457 2019-09-20        rkeene: 	}
fc90ef3457 2019-09-20        rkeene: 	return [dict keys $::myOwnVFS]
c8742de968 2019-09-20        rkeene: }
c8742de968 2019-09-20        rkeene: 
c8742de968 2019-09-20        rkeene: ::xvfs::run --directory [pwd] --name synthetic