[Fixes #189] [Fixes #190] Don't run task if it depends on already invoked but failed task#252

Merged

hsbt merged 2 commits intoruby:masterfrom grzuy:fix_multitask_failures

Mar 19, 2018

+53-48

Commits on Feb 8, 2018

Don't run tasks if it depends on already invoked but failed task. Fixes ruby#189
grzuy
committed

Commits on Mar 8, 2018

Prefer #refute over negated #assert
grzuy
committed