[shell] #715938: support of script parameters (using standard '--' as arguments separator)
Arguments after bare "--" string will not be processed by the shell command
You can use it to pass extra arguments to your script and expect for
them in 'scriptargs' afterwards.
Upstream Author:
%(author)s <%(author-email)s>
Copyright:
Copyright (c) %(year)s %(author)s.
%(author-web-site)s -- mailto:%(author-email)s