93 lines
1.9 KiB
Lua
93 lines
1.9 KiB
Lua
local fs = require("filesystem")
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print("Regenerating Zorya NEO initramfs...")
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fs.copy("/.zy2/image.tsar", "/.zy2/image.tsar.old")
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local f = io.open("/.zy2/image.tsar", "wb")
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local lst = {}
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for ent in fs.list("/etc/zorya-neo/initramfs.d") do
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if ent:sub(#ent) ~= "/" then
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lst[#lst+1] = ent
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end
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end
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table.sort(lst)
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local modes = {
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["fifo"] = 1,
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["char device"] = 2,
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["directory"] = 4,
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["block device"] = 6,
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["file"] = 8,
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["link"] = 0xA,
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["socket"] = 0xC
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}
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local function getperm(perm, mode)
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local md = 0
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for i=1, 9 do
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if (perm:sub(10-i,10-i) ~= "-") then
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md = md | (1 << (i-1))
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end
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end
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return md | (modes[mode] << 12)
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end
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local function create_node(attr)
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local ent = {
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magic = 0x5f7d,
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namesize = #attr.name,
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name = attr.name,
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mode = getperm(attr.permissions, attr.mode),
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uid = attr.uid,
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gid = attr.gid,
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filesize = attr.filesize,
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mtime = (attr.mtime*1000)//1
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}
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f:write(string.pack("=I2I2I2I2I2I6I6", ent.magic, ent.namesize, ent.mode, ent.uid, ent.gid, ent.filesize, ent.mtime))
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f:write(attr.name or "")
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if (ent.namesize & 1 > 0) then
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f:write("\0")
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end
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f:write(attr.data or "")
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if (ent.filesize & 1 > 0) then
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f:write("\0")
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end
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end
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local arc = {}
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function arc.file(path, perm, data)
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create_node({
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data = data,
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filesize = #data,
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uid = 0,
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gid = 0,
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mtime = os.time(),
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name = path,
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permissions = perm or "rw-r--r--",
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mode = "file"
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})
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end
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function arc.dir(path, perm)
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create_node({
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uid = 0,
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filesize = 0,
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gid = 0,
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mtime = os.time(),
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name = path,
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permissions = perm or "rwxr-xr-x",
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mode = "directory"
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})
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end
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for i=1, #lst do
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print("> "..lst[i])
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loadfile("/etc/zorya-neo/initramfs.d/"..lst[i])(arc)
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end
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local zy_dat = [[{os="Zorya NEO", version={2,0,0}, generator="OpenOS"}]]
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create_node({
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data = zy_dat,
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filesize = #zy_dat,
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uid = 0,
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gid = 0,
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mtime = os.time(),
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name = "TRAILER!!!",
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permissions = "---------",
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mode = "file"
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})
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f:close()
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print("Generated new initramfs.") |