[scheduler]
    UTC mode = True
    allow implicit tasks = True
    [[events]]
        abort on stall timeout = True
        stall timeout = PT0S
[scheduling]
    runahead limit = PT4H
    initial cycle point = 2020-01-01T00
    final cycle point = 2020-01-02T00
    [[graph]]
        PT1H = "foo & spawn-bar => bar"
        # foo fails first cycle point only.
        # bar waiting should cause a runahead stall at T04 
        # (PT4H limit allows T00, T01, T02, T03
[runtime]
    [[root]]
        script = true
    [[foo]]
        script = """[[ "$CYLC_TASK_JOB" != '20200101T0000Z/foo/01' ]]"""
