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lua: export _VERSION so plugins can check the lua version

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Since we only support one version this is not very informative but let's
include this now in case we ever need it in the future.

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1365>
This commit is contained in:
Peter Hutterer 2025-11-17 15:11:01 +10:00
parent 32ed3060f9
commit a595f0bd48
2 changed files with 3 additions and 3 deletions
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2
doc/user/lua-plugins.rst
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@ -50,7 +50,7 @@ The Lua API available to plugins is limited to the following calls::
assert error ipairs next pairs tonumber
pcall select print tostring type xpcall
table string math
table string math _VERSION
It is not possible to e.g. use the ``io`` module from a script.

4
src/libinput-plugin-lua.c
View file

@ -1221,8 +1221,8 @@ libinput_lua_plugin_init_lua(struct libinput *libinput,
luaopen_base(L);
static const char *allowed_funcs[] = {
"assert", "error", "ipairs", "next", "pcall", "pairs",
"print", "select", "tonumber", "tostring", "type", "xpcall",
"assert", "error", "ipairs", "next", "pcall", "pairs", "print",
"select", "tonumber", "tostring", "type", "xpcall", "_VERSION",
};
ARRAY_FOR_EACH(allowed_funcs, func) {
lua_getglobal(L, *func);