* --'''platform'''=''name-of-platform'' (see supported platforms; default: the one we are working on)
* --'''engines'''=''list-of-engines'' (options: luatex, xetex, pdftex, all; default: '''all''')
* --'''context'''=''version'' (options: current, beta, alpha, ''yyyy.mm.dd''; default: '''currentbeta''')
=== What to do ===
* --'''force''' (as opposed to --dryrun; do the real thing; this is '''needed''') ''needs to be fixed''