blob: 1e5b105b0a6dc3258ae5506bf6dc1c5b6bf3e9ec (
plain)
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-- Run this explicitly through -*- Lua -*-
local lua_bin, inst_mod_path, input_name, output_name = ...
local input_fh = assert(io.open(input_name, "r"))
local output_fh = assert(io.open(output_name, "w"))
local line = input_fh:read "*l"
if not inst_mod_path:match("%?") then
inst_mod_path = inst_mod_path .. "/?.lua"
inst_mod_path = inst_mod_path:gsub("/+", "/")
end
local mod_path_present = false
for path_elem in package.path:gmatch("([^;]+)") do
if path_elem == inst_mod_path then
mod_path_present = true
break
end
end
while line do
local token = line:match("^%-%- @@(.+)$")
if token then
if token == "SHEBANG" then
output_fh:write(("#!%s\n"):format(lua_bin))
elseif token == "GITANO_LUA_PATH" then
if not mod_path_present then
output_fh:write(("package.path = ('%%s;%%s'):" ..
"format(%q, package.path)" ..
"\n"):format(inst_mod_path))
else
output_fh:write("-- Gitano modules installed into " ..
inst_mod_path .. "\n")
end
else
output_fh:write("-- Unknown token: " .. token .. "\n")
end
else
output_fh:write(line .. "\n")
end
line = input_fh:read "*l"
end
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