Support for --dry-run or annotation to skip execution of specific lines

[leduckhc]

Message:

Hi Firecow team and community,

First of all, thanks for this great tool — it really helps with local GitLab CI/CD testing!

I’d like to propose or inquire about a feature that could improve debugging and iteration on .gitlab-ci.yml scripts:

1. A --dry-run mode that prints the generated shell script with variables substituted, without actually running the commands. This would let us verify exactly what will be executed.

2. Alternatively (or additionally), support for annotating certain lines of the generated script to be skipped during execution. Something like a special comment or tag such as # @DoNotExecute on a line, which tells the runner to not run that line. This could allow mixed partial runs, i.e. execute some commands but intentionally skip others.

Both ideas would help users better understand and debug their CI scripts locally, without having to add temporary echo statements or comment/uncomment large blocks of code manually.

Is this something you would consider adding? Or are there any existing ways or workarounds to achieve a similar effect?

Thanks for your time and for maintaining this project!