openmicroscopy/openmicroscopy — pull request #1288 by joshmoore (2013-06-14 11:20:21+00:00)
Title: 11109 chgrp fails on links

Both http://trac.openmicroscopy.org.uk/ome/ticket/11109 and http://trac.openmicroscopy.org.uk/ome/ticket/11118 seem to be caused by the loss of the `FORCE` setting when validation graph steps.

This commit further refactors the `validate()` method (as previously suggested by @mtbc.

Please see those tickets for testing instructions.

/cc @gusferguson, @pwalczysko, @jburel