I forgot to mention: the pattern to provide re-usable GitLab CI/CD
definitions that I'm inspired by is Debian's pipeline project:
https://salsa.debian.org/salsa-ci-team/pipeline/
It is easy to setup a new project to use their reusable pipeline -- just
add the CI/CD configuration file setting
Bruno Haible writes:
> gnulib-tool is used is many CI jobs. Just adding 'python3' to the
> prerequisites of such a job makes it run faster. Here are the execution
> times for a single run, before and after adding 'python3', for those
> CIs that I maintain or co-maintain. In minutes and seconds.
