mirror of
https://github.com/Adorable-Catgirl/Zorya-NEO.git
synced 2024-12-24 01:48:06 +11:00
143 lines
3.5 KiB
Lua
143 lines
3.5 KiB
Lua
local inet = require("internet")
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local json = require("json")
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local fs = require("filesystem")
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local comp = require("component")
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local function dl(url)
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local dat = ""
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for chunk in inet.request(url) do
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dat = dat .. chunk
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end
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return dat
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end
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local function writefile(p2, dat)
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local f = io.open(p2, "wb")
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f:write(dat)
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f:close()
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end
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local magic = 0x5f7d
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local magic_rev = 0x7d5f
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local header_fmt = "I2I2I2I2I2I6I6"
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local en = string.unpack("=I2", string.char(0x7d, 0x5f)) == magic -- true = LE, false = BE
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local function get_end(e)
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return (e and "<") or ">"
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end
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local function read_header(dat)
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local e = get_end(en)
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local m = string.unpack(e.."I2", dat)
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if m ~= magic and m ~= magic_rev then return nil, "bad magic" end
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if m ~= magic then
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e = get_end(not en)
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end
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local ent = {}
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ent.magic, ent.namesize, ent.mode, ent.uid, ent.gid, ent.filesize, ent.mtime = string.unpack(e..header_fmt, dat)
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return ent
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end
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local arc = {}
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function arc:fetch(path)
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for i=1, #self.tbl do
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if (self.tbl[i].name == path and self.tbl[i].mode & 32768 > 0) then
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self.seek(self.tbl[i].pos-self.seek(0))
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return self.read(self.tbl[i].filesize), self.tbl[i]
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end
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end
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return nil, "file not found"
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end
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function arc:exists(path)
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for i=1, #self.tbl do
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if (self.tbl[i].name == path) then
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return true
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end
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end
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return false
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end
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function arc:list(path)
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if path:sub(#path) ~= "/" then path = path .. "/" end
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local ent = {}
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for i=1, #self.tbl do
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if (self.tbl[i].name:sub(1, #path) == path and not self.tbl[i].name:find("/", #path+1, false)) then
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ent[#ent+1] = self.tbl[i].name
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end
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end
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return ent
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end
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function arc:close()
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self.close()
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end
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local tsar = {
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read = function(read, seek, close)
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local tbl = {}
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local lname = ""
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while lname ~= "TRAILER!!!" do
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local dat = read(22)
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local e = read_header(dat)
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e.name = read(e.namesize)
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e.pos = seek(e.namesize & 1)
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seek(e.filesize + (e.filesize & 1))
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lname = e.name
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if lname ~= "TRAILER!!!" then
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tbl[#tbl+1] = e
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end
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end
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return setmetatable({tbl = tbl, read = read, seek = seek, close = close}, {__index=arc})
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end
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}
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local arc = ""
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local arc_p = 1
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local function _r(a)
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local dat = arc:sub(arc_p, arc_p+a-1)
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arc_p = arc_p + a
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return dat
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end
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local function _s(a)
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arc_p = arc_p + a
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return arc_p
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end
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local rdat = json.decode(dl("https://api.github.com/repos/Adorable-Catgirl/Zorya-NEO/releases"))[1]
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print("Newest release: "..rdat.tag_name)
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print("Downloading zorya-neo-update.tsar...")
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for i=1, #rdat.assets do
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if (rdat.assets[i].name == "zorya-neo-update.tsar") then
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arc = dl(rdat.assets[i].browser_download_url)
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goto arcdl
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end
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end
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io.stderr:write("ERROR: zorya-neo-update.tsar not found!\n")
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os.exit(1)
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::arcdl::
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local update = tsar.read(_r, _s, function() end)
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for ent in fs.list("/etc/zorya-neo/mods") do
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if (update:exists("mods/"..ent)) then
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writefile("/etc/zorya-neo/mods/"..ent, update:fetch("mods/"..ent))
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end
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end
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for ent in fs.list("/etc/zorya-neo/lib") do
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if (update:exists("lib/"..ent)) then
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writefile("/etc/zorya-neo/lib/"..ent, update:fetch("lib/"..ent))
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end
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end
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if (comp.eeprom.address == "vdev-ZY_VBIOS") then
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io.stderr:write("WARNING: Updating Zorya NEO in a vBIOS does not update Zorya NEO completely!\n")
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else
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print("Flashing EEPROM! Do not turn off the computer!")
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comp.eeprom.set(update:fetch("bios/managed.bios"))
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print("Flashing complete.")
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end
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print("Running zyneo-geninitramfs to finish the update...")
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os.execute("zyneo-geninitramfs")
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print("Update complete. Please restart your computer.") |