Add per job before_script handling for exec command (!355) · Merge requests · GitLab.org / gitlab-runner · GitLab

What does this MR do?

Allows for local execution of the runner via exec to recognize the before_script part of the ci configuration file

Why was this MR needed?

To fix issue for people running local builds with the runner.

Does this MR meet the acceptance criteria?

Documentation created/updated - N/A
Tests
- Added for this feature/bug
- All builds are passing
Branch has no merge conflicts with master (if you do - rebase it please)

What are the relevant issue numbers?

Closes #1373 (closed) and #1636 (closed)