ansible/ansible — pull request #3275 by madduck (2013-06-20 06:00:14+00:00)
Title: Enable negated patterns

A host pattern of the form '!foo' by itself does not work, but
'all:!foo' does. If the first pattern is a negation, this commit
automatically prepends 'all'.

Signed-off-by: martin f. krafft