Lookup CI setup scripts in a argument provided path

In preparation for migration to the new colcon-ROS2-enabled industrial_ci

See https://github.com/ros-industrial/industrial_ci/pull/361#pullrequestreview-236934549

I've tested it in a fork of vision_libraries and it worked for that case at least.

marked as a Work In Progress

changed the description

Do not test/review yet. I realised I had made some mistakes in my tests and this will not work as-is.

Would be good to provide a working example.

added 2 commits

• ef6657f0 - Print out where entry scripts are looked for
• 7090f37b - Prevent GitLab substituting the variable too early

Compare with previous version

Made some adjustments to the MR branch that should make it work now.

In order to test, I pushed another branch with a modified URL for the ci_run_entry_points.sh script, which is needed for the test to be meaningful, but should not be included into the master branch when merging.

Also launched this vision_libraries job to check that it works as expected. The job already went succesfully through the relevant bit, i.e. the before_script step, so I think it should eventually succeed.

For my side, this is good for review/merge if the job passes.

unmarked as a Work In Progress

The test job passed.

mentioned in commit 2e88ec6f

merged