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#!luajit --
-- Hide the shebang, since we don't hope env to be in /usr/bin, so just
-- executing LuaJIT from the PATH, and make a pokerface, like we called
-- it from env
arg[-1]=arg[-2];
arg[-2]=nil;
local function run(cmd)
local f = io.popen(cmd..' 2>&1; echo "-retcode:$?"', 'r') -- XXX: Windows compat?
local l = f:read('*a')
f:close()
local i1,i2,ret = l:gsub("\n%-retcode","-retcode"):find('%-retcode:(%d+)\n$')
l = l:sub(1,i1-1)
return l,tonumber(ret)
end
local function exists(name)
if type(name)~="string" then return false end
return os.rename(name,name) and true or false
end
local ignore_argc=0;
local force_interactive = false;
local interactive = true;
for i,v in pairs(arg) do
if ignore_argc>0 then
ignore_argc=-1;
elseif (v:match("^-l")) then
local req;
if (#v>2) then
req=v:match("^-l(.*)");
else
local nextarg=arg[i+1];
if (type(nextarg)=="string") then
ignore_argc=ignore_argc+1;
req=nextarg;
end
end
require(req);
elseif (v:match("^-e")) then
local ex;
if (#v>2) then
ex=v:match("^-e(.*)");
else
local nextarg=arg[i+1];
if (type(nextarg)=="string") then
ignore_argc=ignore_argc+1;
ex=nextarg;
end
end
loadstring(ex)();
elseif (v:match("^-i")) then
force_interactive=true;
elseif (v:match("^-b")) then
ignore_argc=math.huge; -- working with bytecode is incompatible with other options
local argv=arg;
for k,v in ipairs(argv) do
if v:match("^-[b]?[^ ]*e") then
argv[k+1]=[[']]..argv[k+1]:gsub([['(.*)']],[["%1"]])..[[']]
print(argv[k+1])
end
end
local args=table.concat(argv,' ')
local res,err=run("luajit "..args);
if (err==0) then
print(res);
else
local err_msg;
if res:find("\n") then
err_msg="\n"..res;
else
err_msg=res;
end
print("Error! Exit code: "..err.."; Message: "..(err_msg or "<no message>"))
end
elseif (i>0) then
interactive=false;
if (exists(v)) then
loadfile(v)();
end
end
end
if (force_interactive) then
interactive=true;
end
if (interactive and ignore_argc<math.huge) then
require("iluajit")
end
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