edeliver_fork v1.4.6 Edeliver.Relup.Instructions.SoftPurge
  Upgrade instruction which replaces :brutal_purge with :soft_purge
  for :load_module, :load, :update and :remove relup instructions.
  If :brutal_purge is used, processes running old code are killed.
  If :soft_purge is used the release handler will refuse to start
  the upgrade.
Link to this section Summary
Functions
Modifies the relup file
Link to this section Functions
Modifies the relup file.
  Modifies the relup file which will be used to upgrade (or downgrade) from one version to another
  by inserting, removing, or shifting appup instructions.
  See Edeliver.Relup.InsertInstruction and Edeliver.Relup.ShiftInstruction for useful helpers to
  insert / position the instructions and Edeliver.Relup.RunnableInstruction to execute custom code
  during the upgrade.
Callback implementation for Edeliver.Relup.Instruction.modify_relup/2.