Silvio Traversaro

Thanks @knmcguire ! Asking the user may be misleading I am afraid. The only Python that we are sure will it work is the one contained in the pixi environment...

The user need to be in the pixi environment, otherwise we do not have any way to know which python environment we should use. I would try to make it...

> That sounds like a plan. I'll leave this gist for now as an example so we can make a seperate PR on that. There are also more places where...

> Next to all the python files (and that's already a lot) Yes, but the problem is that the Python launcher do not support relocatable shebangs line, and even if...

The CMake config files should be fixed by: * https://github.com/ros2/rviz/pull/1450 * https://github.com/ros-perception/laser_geometry/pull/95

> Okay, thought about this a bit. Do you think that we could add the script to the tarball and create a `pixi run` target that would allow users to...

Ok, navigating a bit I guess the relevant part of code is https://github.com/ros2/ci/blob/7e70897a5fdeb29958e341bc891f1948d05219ae/ros2_batch_job/packaging.py#L116 .

> Hmm would it also be possible for pixi to retrieve the toml file as well to avoid using irm all together? But it might be getting out of scope...

> > mcap_vendor no binaries available 🚨 > > For this one, it is probably worthwhile to reach out to the relevant people on Debian, Ubuntu, RHEL, Fedora, and pixi...

Just FYI, at my org we obtained good result in caching compilation steps with pixi+colcon with ccache, see https://github.com/robotology/robotology-superbuild/pull/1920 (that is not colcon but we also did that in internal...