I'm guessing these lines in post-processor.go tell me it's not going to be possible...
// Create a temporary directory for us to build the contents of the box in dir, err := ioutil.TempDir("", "packer") the (brief) go doc indicates TempDirs are set for the os. -- This mailing list is governed under the HashiCorp Community Guidelines - https://www.hashicorp.com/community-guidelines.html. Behavior in violation of those guidelines may result in your removal from this mailing list. GitHub Issues: https://github.com/mitchellh/packer/issues IRC: #packer-tool on Freenode --- You received this message because you are subscribed to the Google Groups "Packer" group. To unsubscribe from this group and stop receiving emails from it, send an email to packer-tool+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/packer-tool/51eb9f9b-4c02-453b-adbd-388bae0dc990%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.