Hi, i take some issue. Exactly, i need to import some .sh file to my pipeline script for using function from this file later, maybe, it's like YAML anchors, but in another file. And it should execute before all scripts every time, when i started pipeline. Earlier i use gitlab pipeline and it look like this: 
I just import file and can use it. Can you help me realize it on bitbucket pipelines?
I already done this:
Where "test_import" it's a simple function from .sh file
In pipelines i have the next one:
