Lang: Clarification what it is for

parent f0f2f82f
......@@ -2,15 +2,20 @@ The updater language
This document is about the language describing specific update
scenarios. It is the core configuration language of the updater
itself, listing which packages should be installed, where they come
from and any special quirks needed for specific situations. Other ways
of configuring are possible (like command line requests to install
some packages, or listing things in UCI file), but these are usually
implemented in this language.
The language is, strictly speaking, ordinary Lua (currently the
supported version of Lua on OpenWRT is 5.1, but there should be very
little difference in what we use). Just the set of functions available
is limited to the functions listed here.
Note that using conditions and loops is fully supported and sometimes
Note that using conditions, loops and variables is fully supported
and sometimes desirable.
Security levels
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