pkg/36741: pkg_admin(8)'s unset command can result in warning message

[tnn%NetBSD.org@localhost]

>Number:         36741
>Category:       pkg
>Synopsis:       pkg_admin(8)'s unset command can result in warning message
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Aug 06 18:50:00 +0000 2007
>Originator:     Tobias Nygren
>Release:        
>Organization:
NetBSD
>Environment:
>Description:
pkg_admin(8) unset of a non-existing variable can result in a non-fatal warning 
message when +INSTALLED_INFO does not exist.

>How-To-Repeat:
# pkg_admin set foo=YES digest
# pkg_admin set bar=YES digest
# pkg_admin unset foo digest
# pkg_admin unset foo digest
# pkg_admin unset bar digest
# pkg_admin unset bar digest
pkg_admin: var_set: cannot remove 'digest-20070803/+INSTALLED_INFO': No such 
file or directory

>Fix:
joerg@ said he'll look at it.