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magik6000

Nov 22nd, 2013

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--CCPT - ComputerCraft Packaging Tool
if not http then
error("HTTP API MUST be enabled to use this program")
end
---UTILITIES
local function CGetS(file,name)
local _cfg = fs.open(file,"r")
if not _cfg then
error("Could not open configuration file: "..file)
end
local x = true;
while x do
local line = _cfg.readLine()
if line == nil then
x = false;
else
local side = false
local prop = ""
local val = ""
for a=1,#line do
if line:sub(a,a) == '=' then
side = true
elseif side then
val = val .. line:sub(a,a)
else
prop = prop .. line:sub(a,a)
end
end
if prop == name then
_cfg.close()
return val
end
end
end
_cfg.close()
end
local function CGetN(file,name)
return tonumber(CGetS(file,name))
end
local function download(file, url)
local res = http.get(url)
if res then
if file ~= nil then
local fhnd = fs.open(file, "w");
if fhnd then
fhnd.write(res.readAll())
fhnd.close()
return res.readAll()
else
res.close()
error("Could not open "..file.." for writing")
end
else
return res.readAll()
end
else
error("Download failed for: "..url)
end
res.close()
end
function split(text,splitter)
local rt = {}
local act = ""
for x=1,#text do
if text:sub(x,x+#splitter-1) == splitter then
rt[#rt+1]=act
act=""
else
act = act .. text:sub(x,x)
end
end
if act ~= "" then
rt[#rt+1] = act
end
return rt;
end
---Intarnal functions
local function update_list()
local sync = CGetS("/etc/ccpt/config","master")
if sync then
download("/etc/ccpt/list",sync)
else
error("Update failed: master server not set!")
end
end
local function base_find(name)
local base = fs.open("/etc/ccpt/list","r")
if not base then
error("Could not open base file: /etc/ccpt/list")
end
local x = true;
while x do
local line = base.readLine()
if line == nil then
x = false;
else
local entry = split(line,";")
if entry[1] == "p" then
if entry[2] == name then
local ret = {name=entry[2],url=entry[4],version=tonumber(entry(3))}
return ret
end
end
end
end
end
---MAIN CODE
local argv = {...}
if argv[1] == "init" then
print("Installing directories")
fs.makeDir("/etc/")
fs.makeDir("/etc/ccpt")
fs.makeDir("/bin/")
fs.makeDir("/usr/")
fs.makeDir("/usr/bin")
fs.makeDir("/usr/lib")
fs.makeDir("/usr/share")
print("Downloading default config")
download("/etc/ccpt/config","http://cc.nativehttp.org/fresh/config")
print("Updating package list")
update_list()
elseif argv[1] == "update" then
print("Updating package list")
update_list()
elseif argv[1] == "install" then
if argv[2] == nil then
print("Usage: ccpk install [name]")
else
print("Reading Database")
local entry = base_find(argv[2])
if entry then
print("Downloading package header")
local header = download(nil, entry.url..entry.name.."/index")
else
print("Package not found!")
end
end
end

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