Update 'ccptinstall.lua'
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ccptinstall.lua
230
ccptinstall.lua
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--[[
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ComputerCraft Package Tool Installer
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Author: PentagonLP
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Version: 1.0
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Lines of Code: 161; Characters: 5541
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ComputerCraft Package Tool Installer
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Author: PentagonLP, Hion-V
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Version: 1.1
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Lines of Code: 161; Characters: 5541
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]]
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-- Read arguments
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args = {...}
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-- FILE MANIPULATION FUNCTIONS --
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--[[ Checks if file exists
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@param String filepath: Filepath to check
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@return boolean: Does the file exist?
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@param String filepath: Filepath to check
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@return boolean: Does the file exist?
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--]]
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function file_exists(filepath)
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local f=io.open(filepath,"r")
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if f~=nil then
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io.close(f)
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return true
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else
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return false
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end
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local f=io.open(filepath,"r")
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if f~=nil then
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io.close(f)
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return true
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else
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return false
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end
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end
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--[[ Stores a file in a desired location
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@param String filepath: Filepath where to create file (if file already exists, it gets overwritten)
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@param String content: Content to store in file
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@param String filepath: Filepath where to create file (if file already exists, it gets overwritten)
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@param String content: Content to store in file
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--]]
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function storeFile(filepath,content)
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writefile = fs.open(filepath,"w")
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writefile.write(content)
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writefile.close()
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writefile = fs.open(filepath,"w")
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writefile.write(content)
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writefile.close()
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end
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--[[ Reads a file from a desired location
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@param String filepath: Filepath to the file to read
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@param String createnew: (Optional) Content to store in new file and return if file does not exist. Can be nil.
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@return String|boolean content|error: Content of the file; If createnew is nil and file doesn't exist boolean false is returned
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@param String filepath: Filepath to the file to read
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@param String createnew: (Optional) Content to store in new file and return if file does not exist. Can be nil.
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@return String|boolean content|error: Content of the file; If createnew is nil and file doesn't exist boolean false is returned
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--]]
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function readFile(filepath,createnew)
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readfile = fs.open(filepath,"r")
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if readfile == nil then
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if not (createnew==nil) then
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storeFile(filepath,createnew)
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return createnew
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else
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return false
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end
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end
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content = readfile.readAll()
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readfile.close()
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return content
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readfile = fs.open(filepath,"r")
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if readfile == nil then
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if not (createnew==nil) then
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storeFile(filepath,createnew)
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return createnew
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else
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return false
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end
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end
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content = readfile.readAll()
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readfile.close()
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return content
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end
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--[[ Stores a table in a file
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@param String filepath: Filepath where to create file (if file already exists, it gets overwritten)
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@param Table data: Table to store in file
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@param String filepath: Filepath where to create file (if file already exists, it gets overwritten)
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@param Table data: Table to store in file
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--]]
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function storeData(filepath,data)
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storeFile(filepath,textutils.serialize(data):gsub("\n",""))
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storeFile(filepath,textutils.serialize(data):gsub("\n",""))
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end
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--[[ Reads a table from a file in a desired location
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@param String filepath: Filepath to the file to read
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@param boolean createnew: If true, an empty table is stored in new file and returned if file does not exist.
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@return Table|boolean content|error: Table thats stored in the file; If createnew is false and file doesn't exist boolean false is returned
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@param String filepath: Filepath to the file to read
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@param boolean createnew: If true, an empty table is stored in new file and returned if file does not exist.
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@return Table|boolean content|error: Table thats stored in the file; If createnew is false and file doesn't exist boolean false is returned
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--]]
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function readData(filepath,createnew)
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if createnew then
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return textutils.unserialize(readFile(filepath,textutils.serialize({}):gsub("\n","")))
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else
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return textutils.unserialize(readFile(filepath,nil))
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end
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if createnew then
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return textutils.unserialize(readFile(filepath,textutils.serialize({}):gsub("\n","")))
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else
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return textutils.unserialize(readFile(filepath,nil))
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end
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end
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-- HTTP FETCH FUNCTIONS --
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--[[ Gets result of HTTP URL
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@param String url: The desired URL
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@return Table|boolean result|error: The result of the request; If the URL is not reachable, an error is printed in the terminal and boolean false is returned
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@param String url: The desired URL
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@return Table|boolean result|error: The result of the request; If the URL is not reachable, an error is printed in the terminal and boolean false is returned
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--]]
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function gethttpresult(url)
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if not http.checkURL(url) then
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print("ERROR: Url '" .. url .. "' is blocked in config. Unable to fetch data.")
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return false
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end
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result = http.get(url)
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if result == nil then
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print("ERROR: Unable to reach '" .. url .. "'")
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return false
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end
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return result
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if not http.checkURL(url) then
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print("ERROR: Url '" .. url .. "' is blocked in config. Unable to fetch data.")
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return false
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end
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result = http.get(url)
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if result == nil then
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print("ERROR: Unable to reach '" .. url .. "'")
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return false
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end
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return result
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end
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--[[ Download file HTTP URL
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@param String filepath: Filepath where to create file (if file already exists, it gets overwritten)
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@param String url: The desired URL
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@return nil|boolean nil|error: nil; If the URL is not reachable, an error is printed in the terminal and boolean false is returned
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@param String filepath: Filepath where to create file (if file already exists, it gets overwritten)
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@param String url: The desired URL
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@return nil|boolean nil|error: nil; If the URL is not reachable, an error is printed in the terminal and boolean false is returned
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--]]
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function downloadfile(filepath,url)
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result = gethttpresult(url)
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if result == false then
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return false
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end
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storeFile(filepath,result.readAll())
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result = gethttpresult(url)
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if result == false then
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return false
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end
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storeFile(filepath,result.readAll())
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end
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-- MISC HELPER FUNCTIONS --
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--[[ Checks wether a String starts with another one
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@param String haystack: String to check wether is starts with another one
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@param String needle: String to check wether another one starts with it
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@return boolean result: Wether the firest String starts with the second one
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@param String haystack: String to check wether is starts with another one
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@param String needle: String to check wether another one starts with it
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@return boolean result: Wether the firest String starts with the second one
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]]--
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function startsWith(haystack,needle)
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return string.sub(haystack,1,string.len(needle))==needle
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return string.sub(haystack,1,string.len(needle))==needle
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end
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-- MAIN PROGRAMM --
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if (args[1]=="install") or (args[1]==nil) then
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print("[Installer] Well, hello there!")
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print("[Installer] Thank you for downloading the ComputerCraft Package Tool! Installing...")
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print("[Installer] Installing 'properprint' library...")
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if downloadfile("lib/properprint","https://raw.githubusercontent.com/PentagonLP/properprint/main/properprint")== false then
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return false
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end
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print("[Installer] Successfully installed 'properprint'!")
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print("[Installer] Installing 'ccpt'...")
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if downloadfile("ccpt","https://raw.githubusercontent.com/PentagonLP/ccpt/main/ccpt")==false then
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return false
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end
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print("[Installer] Successfully installed 'ccpt'!")
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print("[Installer] Running 'ccpt update'...")
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shell.run("ccpt","update")
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print("[Installer] Reading package data...")
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packagedata = readData("/.ccpt/packagedata")
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print("[Installer] Storing installed packages...")
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storeData("/.ccpt/installedpackages",{
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ccpt = packagedata["ccpt"]["newestversion"],
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pprint = packagedata["pprint"]["newestversion"]
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})
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print("[Installer] 'ccpt' successfully installed!")
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print("[Installer] Well, hello there!")
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print("[Installer] Thank you for downloading the ComputerCraft Package Tool! Installing...")
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print("[Installer] Installing 'properprint' library...")
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if downloadfile("lib/properprint","https://raw.githubusercontent.com/Hion-V/properprint/main/properprint")== false then
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return false
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end
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print("[Installer] Successfully installed 'properprint'!")
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print("[Installer] Installing 'ccpt'...")
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if downloadfile("ccpt","https://git.subsonics.nl/pootercraft/ccpt/raw/branch/main/ccpt")==false then
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return false
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end
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print("[Installer] Successfully installed 'ccpt'!")
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print("[Installer] Running 'ccpt update'...")
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shell.run("ccpt","update")
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print("[Installer] Reading package data...")
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packagedata = readData("/.ccpt/packagedata")
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print("[Installer] Storing installed packages...")
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storeData("/.ccpt/installedpackages",{
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ccpt = packagedata["ccpt"]["newestversion"],
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pprint = packagedata["pprint"]["newestversion"]
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})
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print("[Installer] 'ccpt' successfully installed!")
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elseif args[1]=="update" then
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print("[Installer] Updating 'ccpt'...")
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if downloadfile("ccpt","https://raw.githubusercontent.com/PentagonLP/ccpt/main/ccpt")==false then
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return false
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end
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print("[Installer] Updating 'ccpt'...")
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if downloadfile("ccpt","https://git.subsonics.nl/pootercraft/ccpt/raw/branch/main/ccpt")==false then
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return false
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end
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elseif args[1]=="remove" then
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print("[Installer] Uninstalling 'ccpt'...")
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fs.delete("/ccpt")
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fs.delete("/.ccpt")
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shell.setCompletionFunction("ccpt", nil)
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if file_exists("startup") and startsWith(startup,"-- ccpt: Seach for updates\nshell.run(\"ccpt\",\"startup\")") then
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print("[Installer] Removing 'ccpt' from startup...")
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startup = readFile("startup","")
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storeFile("startup",string.sub(startup,56))
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end
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print("[Installer] So long, and thanks for all the fish!")
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print("[Installer] Uninstalling 'ccpt'...")
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fs.delete("/ccpt")
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fs.delete("/.ccpt")
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shell.setCompletionFunction("ccpt", nil)
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if file_exists("startup") and startsWith(startup,"-- ccpt: Seach for updates\nshell.run(\"ccpt\",\"startup\")") then
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print("[Installer] Removing 'ccpt' from startup...")
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startup = readFile("startup","")
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storeFile("startup",string.sub(startup,56))
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end
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print("[Installer] So long, and thanks for all the fish!")
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else
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print("[Installer] Invalid argument: " .. args[1])
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print("[Installer] Invalid argument: " .. args[1])
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end
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