ports/172274: portmaster creates unrequested backup

[jb]

>Number:         172274
>Category:       ports
>Synopsis:       portmaster creates unrequested backup
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Oct 02 15:30:12 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     jb
>Release:        FreeBSD 9.1-RC1 #0
>Organization:
>Environment:
FreeBSD localhost.localdomain 9.1-RC1 FreeBSD 9.1-RC1 #0: Tue Aug 14 03:56:40 UTC 2012     root at obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
Portmaster remembers "create backup" option, which is not what the user
wanted.
# portmaster -b -g libreoffice
# portmaster gcc
$ ls -al /usr/ports/packages/portmaster-backup/
-rw-r--r--  1 root  wheel  118533356 Oct  2 17:10 gcc-4.6.4.20120831.tbz
-rw-r--r--  1 root  wheel  102685710 Oct  2 15:30 libreoffice-3.5.4.tbz

>How-To-Repeat:
as above with and without options (with any two ports).
>Fix:
clear options on every 'portmaster <port>'.

>Release-Note:
>Audit-Trail:
>Unformatted: