Consider using https://github.com/hermeticbuild/hermetic-launcher for stage1 or stage0 bootstrap

[aignas]

I wonder if it is possible to use something like
https://github.com/hermeticbuild/hermetic-launcher

It support templating to some degree.

Things that I don't think would work, but I haven't fully checked the code there:

• Creating symlinks as part of the bootstrap.
• Unzipping as part of the bootstrap.