package fix const helpString = ` Usage: packer fix [options] TEMPLATE Reads the JSON template and attempts to fix known backwards incompatibilities. The fixed template will be outputted to standard out. If the template cannot be fixed due to an error, the command will exit with a non-zero exit status. Error messages will appear on standard error. Fixes that are run: iso-md5 Replaces "iso_md5" in builders with newer "iso_checksum" `