kennethreitz/autoenv — pull request #16 by mkomitee (2012-02-20 01:43:13+00:00)
Title: Handle case where grep is an alias to egrep or grep -E

egrep -G (grep -EG) results in:
egrep: conflicting matchers specified

Which results in the auth check happening every time. This forces it to not pay attention to such aliases.