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opus/sys/init/5.unpackage.lua

32 lines
769 B
Lua

local LZW = require('opus.compress.lzw')
local Tar = require('opus.compress.tar')
local Util = require('opus.util')
local fs = _G.fs
if not fs.exists('packages') or not fs.isDir('packages') then
return
end
for _, name in pairs(fs.list('packages')) do
local fullName = fs.combine('packages', name)
local packageName = name:match('(.+)%.tar%.lzw$')
if packageName and not fs.isDir(fullName) then
local dir = fs.combine('packages', packageName)
if not fs.exists(dir) then
local s, m = pcall(function()
fs.mount(dir, 'ramfs', 'directory')
local c = Util.readFile(fullName, 'rb')
Tar.untar_string(LZW.decompress(c), dir)
end)
if not s then
fs.delete(dir)
print('failed to extract ' .. fullName)
print(m)
end
end
end
end