You can either say you want all scripts, or give a list of script names,
not both. Add it this way and not with an add_mutually_exclusive_group,
as I'll add a add_mutually_exclusive_group in the next patch to only
specify --all or --fast, but having --fast with script names is fine.
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lists.sr.ht/~postmarketos/pmbootstrap-devel/%3C20221111072354.3431-2-ollieparanoid@postmarketos.org%3E
3fd22104a8