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Change printed banner to print only Lua version. #7

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Change printed banner to print only Lua version. #7

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25 changes: 3 additions & 22 deletions croissant/do.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -319,26 +319,7 @@ local function appendToDebugHistory(code)
end
end

local function luaVersion()
local f = function()
return function()
end
end

local t = {
nil,
[false] = "Lua 5.1",
[true] = "Lua 5.2",
[1/"-0"] = "Lua 5.3",
[1] = "LuaJIT"
}

return t[1] or t[1/0] or t[f() == f()]
end

local function banner()
local version = luaVersion()

if tonumber(_VERSION:match("Lua (%d+)")) < 5
or tonumber(_VERSION:match("Lua %d+%.(%d+)")) < 1 then
print(colors.red "Croissant requires at least Lua 5.1")
Expand All @@ -347,9 +328,9 @@ local function banner()

print(
"🥐 Croissant 0.0.1 (C) 2019 Benoit Giannangeli\n"
.. version .. (version:match "^LuaJIT"
and " Copyright (C) 2005-2017 Mike Pall. http://luajit.org/"
or " Copyright (C) 1994-2018 Lua.org, PUC-Rio")
.. (type(jit) == "table"
and jit.version
or ("PUC-Rio " .. _VERSION))
)
end

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