pantsbuild/pants — pull request #315 by ericzundel (2014-07-02 16:14:37+00:00)
Title: Adding ability to exclude a spec from a list of specs 

I have a user that wants to perform tasks on large swaths of the repo, but some of the targets are currently broken. This adds the ability to exclude some targets using the '^' prefix. For example

pants goal idea :: ^src/java/broken/project::

Would launch the IDE on everything except for one broken project.