A conditional step consists of a step with the key unless.
Known subtypes:
Known usages:
All versions:
Under the unless key are the subkeys condition and steps.
The purpose of the unless step is customizing commands and job configuration to run on custom
conditions (determined at config-compile time) that are checked before a workflow runs.
See the Conditional Steps section of the Reusing Config
document for more details.
A conditional step consists of a step with the key
unless.