Recently, I tried running a Rake task from the Rails console after a long time, and I ran into an interesting behavior. Have you ever tried running a Rake task this way? If not, here’s the syntax:
Rake::Task["task:do_something"].invoke("value1", "value2")
Pretty straightforward, right? But then I noticed something unexpected.
If I tried to run the same Rake task multiple times in the same console session, it wouldn’t execute after the first time.
Why Does This Happen?
By default, Rake ensures that each task runs only once per Ruby process. This is because:
- It prevents duplicate executions that might cause unintended side effects.
- In normal Rake workflows (when running from the terminal), tasks are usually meant to run once per execution.
So, once a task has been executed, Rake marks it as “already executed”, preventing it from running again.
The Fix: Using reenable
If you want to run the same task multiple times in a single console session, you need to reset its execution state using:
Rake::Task["task:do_something"].reenable
Then, you can invoke it again:
Rake::Task["task:do_something"].invoke("new_value1", "new_value2")
Thanks, Happy coding!
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