refactored updater
This commit is contained in:
369
updater.lua
369
updater.lua
@@ -1,128 +1,115 @@
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local args = {...}
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local internet=require("internet")
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local text=require("text")
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local filesystem=require("filesystem")
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local unicode=require("unicode")
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local term=require("term")
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local event=require("event")
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local keyboard=require("keyboard")
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local repository = "seesberger/PowerManager"
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local repoTargetPath = "/usr/PowerManager/"
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local libTargetPath = "/lib/"
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YES = {"y","yes","Y","Yes","YES"}
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NO = {"n","no","N","No","NO"}
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local helpText = "This updater pulls the git files for installation and application updates.\n"..
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"Usage:\n" ..
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"updater <option> - no args: manual update and install\n"..
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" '' -h - this help text\n" ..
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" '' -a - automatic update no install\n" ..
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" '' -i - automatic update and install"
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SupportedRemotes = {
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Github = {
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BaseUrl = "https://github.com/",
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Implemented = true
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},
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Gitea = {
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BaseUrl = "https://git.realrobin.io",
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Implemented = false
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}
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}
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function manualUpdate()
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print("Manual repo pull...")
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downloadRepo(repository, repoTargetPath, false)
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end
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Repository = {}
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function manualInstall()
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print("installing shortcut...")
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os.execute("mv "..repoTargetPath.."shortcut.lua /usr/bin/powerman.lua")
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end
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---default repo to update
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DefaultRepository = {
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Owner = "seesberger",
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Name = "PowerManager",
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ShortName = "powerman",
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RepoIdentifier = "seesberger/PowerManager",
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Remote = SupportedRemotes.Github,
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CurrentBranch = "master",
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CurrentLocalPath = ""
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}
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function automaticUpdate()
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print("Auto repo pull...")
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downloadRepo(repository, repoTargetPath, true)
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end
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DefaultTemporaryDownloadPath = "/home/.tmp/git/"
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DefaultInstallationPath = "/usr/"
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function automaticInstall()
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print("downloading GUI-API")
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downloadDependencies()
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manualInstall()
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end
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function downloadDependencies(automatic)
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/shapes_default.lua /lib/shapes_default.lua")
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/GUI.lua /lib/GUI.lua")
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/term_mod.lua /lib/term_mod.lua")
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/tech_demo.lua /home/GUI_tech_demo.lua")
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end
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function downloadRepo(repo, target, automatic)
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if not repo:match("^[%w-.]*/[%w-.]*$") then
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print('"'..repo..'" does not look like a valid repo identifier.\nShould be <owner>/<reponame>')
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return
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local function askYesOrNoQuestion(question, expectedTrue, expectedFalse, defaultYesOnEnter)
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local function checkContains(array,value)
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for idx, val in array do
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if value == val then return true
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end
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return false
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end
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target=target and ("/"..target:match("^/?(.-)/?$").."/") or "/tmp/"..repo
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if defaultYesOnEnter==true then print(question.." [Y/n]") else print(question.." [y/N]") end
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while true do
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local userInput = io.read("l")
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if checkContains({""}, userInput) then return defaultYesOnEnter end
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if checkContains(expectedTrue, userInput) then return true end
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if checkContains(expectedFalse, userInput) then return false end
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print("Please answer with yes or no. You can also press ENTER to choose the default option.")
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end
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end
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end
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local function askTextQuestion(question, defaultAnswerOnEnter, allowOnly)
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local allowedInputsString = ""
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for idx, entry in allowOnly do allowedInputsString = allowedInputsString..entry end
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if allowOnly then print(question.." ["..allowedInputsString.."]")
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else print(question) end
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local userInput = nil
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local found = false
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repeat
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userInput = io.read("l")
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if allowOnly then
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for idx, entry in allowOnly do if entry == userInput then found = true end end
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else break end
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until found
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if userInput == "" then return defaultAnswerOnEnter else return userInput end
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end
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--- todo: pcall and catch errors
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local function downloadRepo(repository, autoOverride)
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local function validateRepositoryIdentifier(repository)
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if not repository.RepoIdentifier:match("^[%w-.]*/[%w-.]*$") then
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print('"'..repository.RepoIdentifier..'" does not look like a valid repo identifier.\nShould be <owner>/<reponame>')
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return
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end
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end
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validateRepositoryIdentifier(repository)
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local function makeDirIfNotExists(target)
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if filesystem.exists(target) then
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if not filesystem.isDirectory(target) then
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print("target directory already exists and is not a directory.")
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return
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end
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if filesystem.get(target).isReadOnly() then
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print("target directory is read-only.")
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return
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end
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if not filesystem.isDirectory(target) then error("target directory already exists and is not a directory.") end
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if filesystem.get(target).isReadOnly() then error("target directory is read-only.") end
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else
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if not filesystem.makeDirectory(target) then
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print("target directory is read-only")
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return
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if not filesystem.makeDirectory(target) then error("directory creation failed") end
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end
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end
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--- FIXME: If download only mode is enabled, set this to /home. still todo
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local targetDownloadPath = DefaultTemporaryDownloadPath..repository.RepoIdentifier
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repository.CurrentLocalPath = targetDownloadPath
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local success, err = pcall(makeDirIfNotExists, targetDownloadPath)
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if not success then error("the download failed because of filesystem errors.") end
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-- this isn't acually used, but it is tested and works on decoding the base64 encoded data that github
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--sends for some queries, leaving it in here for possible future/related use, might be able to pull
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--and display difs and things like that?
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local symb="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
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function decode64(text)
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local val,bits=0,0
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local output=""
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for ch in text:gmatch(".") do
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if symb:find(ch) then
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--print("ch "..ch.."-> "..(symb:find(ch)-1))
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val=bit32.lshift(val,6)+symb:find(ch)-1
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else
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print(ch.."?")
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return
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end
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bits=bits+6
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--print("bits : "..bits)
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--print(string.format("val : 0x%04x",val))
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if bits>=8 then
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local och=unicode.char(bit32.rshift(val,bits-8))
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--print("os<<"..och)
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--print("& with "..(2^(bits-8)-1))
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val=bit32.band(val,2^(bits-8)-1)
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bits=bits-8
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--print(string.format("val : 0x%04x",val))
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output=output..och
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end
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end
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return output
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end
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local function gitContents(repo, dir)
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print("fetching contents for "..repo..dir)
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local url="https://api.github.com/repos/"..repo.."/contents"..dir
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local result,response=pcall(internet.request,url)
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local function fetchFilesAndSubdirs(repository, remoteType, dir)
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dir = dir or "" -- default value, start at root dir
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if remoteType == SupportedRemotes.Github then
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print("fetching contents for "..repository.RepoIdentifier..dir)
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local githubApiUrl="https://api.github.com/repos/"..repository.RepoIdentifier.."/contents"..dir
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local success,chunks=pcall(internet.request,githubApiUrl)
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local raw=""
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local files={}
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local directories={}
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if result then
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for chunk in response do
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raw=raw..chunk
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end
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else
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error("you've been cut off. Serves you right.")
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end
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if success then for chunk in chunks do raw=raw..chunk end
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else error("you've been cut off. Serves you right.") end
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response=nil
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--- do not question the magic of the outer gods
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--- turns raw response into t, which has usable fields.
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raw=raw:gsub("%[","{"):gsub("%]","}"):gsub("(\".-\"):(.-[,{}])",function(a,b) return "["..a.."]="..b end)
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local t=load("return "..raw)()
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@@ -130,7 +117,7 @@ function downloadRepo(repo, target, automatic)
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if t[i].type=="dir" then
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table.insert(directories,dir.."/"..t[i].name)
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local subfiles,subdirs=gitContents(repo,dir.."/"..t[i].name)
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local subfiles,subdirs=fetchFilesAndSubdirs(repository.RepoIdentifier,dir.."/"..t[i].name)
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for i=1,#subfiles do
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table.insert(files,subfiles[i])
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end
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@@ -143,108 +130,124 @@ function downloadRepo(repo, target, automatic)
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end
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return files, directories
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else error("not Implemented") end
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end
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local files,dirs=gitContents(repo,"")
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--- fetch and make dirs in the target download path recursively
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local files,dirs=fetchFilesAndSubdirs(repository.RepoIdentifier, "", SupportedRemotes.Github)
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for i=1,#dirs do
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print("making dir "..target..dirs[i])
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if filesystem.exists(target..dirs[i]) then
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if not filesystem.isDirectory(target..dirs[i]) then
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print("error: directory "..target..dirs[i].." blocked by file with the same name")
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return
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end
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else
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filesystem.makeDirectory(target..dirs[i])
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end
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local success, err = pcall(makeDirIfNotExists, targetDownloadPath..dirs[i])
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if not success then error(("the download failed because of filesystem errors. %x"):format(err)) end
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end
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local replaceMode="ask"
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if automatic == true then replaceMode = "always" end
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if autoOverride == true then replaceMode = "always" end
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local function downloadFiles(files, targetDownloadPath, replaceMode)
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for i=1,#files do
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local replace=nil
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if filesystem.exists(target..files[i]) then
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if filesystem.isDirectory(target..files[i]) then
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print("Error: file "..target..files[i].." blocked by directory with same name!")
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return
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if filesystem.exists(targetDownloadPath..files[i]) then
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--- FIXME dir löschen statt error
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if filesystem.isDirectory(targetDownloadPath..files[i]) then error("file "..targetDownloadPath..files[i].." blocked by directory with same name!") end
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if not replaceMode == "ask" then
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replace = (replaceMode=="always")
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replace = not (replaceMode=="never")
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end
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if replaceMode=="always" then
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replace=true
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elseif replaceMode=="never" then
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replace=false
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else
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print("\nFile "..target..files[i].." already exists.\nReplace with new version?")
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else print("\nFile "..targetDownloadPath..files[i].." already exists.\nReplace with new version?") end
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local response=""
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while replace==nil do
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term.write("yes,no,always,skip all[ynAS]: ")
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local char
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repeat
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_,_,char=event.pull("key_down")
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until not keyboard.isControl(char)
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char=unicode.char(char)
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print(char)
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if char=="A" then
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if replace == nil then
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--- FIXME: ggf falsch und buggy
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local userInput = askTextQuestion("\nFile "..targetDownloadPath..files[i].." already exists.\nReplace with new version?","n",{"y","n","A","S"})
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if userInput=="A" then
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replaceMode="always"
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replace=true
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char="y"
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elseif char=="S" then
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userInput="y"
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elseif userInput=="S" then
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replaceMode="never"
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replace=false
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char="n"
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elseif char:lower()=="y" then
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replace=true
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elseif char:lower()=="n" then
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replace=false
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else
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print("invalid response.")
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userInput="n"
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elseif userInput == "y" then replace=true
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elseif userInput == "n" then replace=false
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end
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end
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end
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if replace then
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filesystem.remove(target..files[i])
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end
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end
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if replace~=false then
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print("downloading "..files[i])
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local url="https://raw.github.com/"..repo.."/master"..files[i]
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local result,response=pcall(internet.request,url)
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if result then
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if replace then filesystem.remove(targetDownloadPath..files[i]) end
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if replace or replace == nil then
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--- TODO @Freddy: Coole Animation hinzufügen
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print("downloading file "..files[i])
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local url=repository.Remote.BaseUrl..repository.Name.."/"..repository.CurrentBranch..files[i]
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local success,response=pcall(internet.request,url)
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if success then
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local raw=""
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for chunk in response do
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raw=raw..chunk
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end
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print("writing to "..target..files[i])
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local file=io.open(target..files[i],"w")
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print("writing to "..targetDownloadPath..files[i])
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local file=io.open(targetDownloadPath..files[i],"w")
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if file then -- might be nil under wierd circumstances
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file:write(raw)
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file:close()
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end
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else error("a file did not download correctly. aborting") end
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end
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end
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end
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success, err = pcall(downloadFiles, files, targetDownloadPath, replaceMode)
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if success then print("All files downloaded successfully.") else error(err) end
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end
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local function installShortcut(currentRepoPath, shortcutName)
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print("installing shortcut...")
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os.execute("mv "..currentRepoPath.."shortcut.lua /usr/bin/"..shortcutName..".lua")
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end
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--- todo: automatic read of dependency list (txt file containing lines with <link> <dst> or somethink like it)
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--- removeme
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local function legacyInstallDependencies(enabled)
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if enabled==true then
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/shapes_default.lua /lib/shapes_default.lua")
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/GUI.lua /lib/GUI.lua")
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/term_mod.lua /lib/term_mod.lua")
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os.execute("wget -f https://github.com/kevinkk525/OC-GUI-API/raw/master/tech_demo.lua /home/GUI_tech_demo.lua")
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end
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end
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--- fix legacy shit
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local function runFullInstallTask(repository)
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--- first, download the actual repo.
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--- then, find dependencies - if then exist, download and install them
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--- then, install the actual program
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legacyInstallDependencies(true) --only for testing while new version not implemented yet
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print("downloading "..repository.RepoIdentifier)
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downloadRepo(repository, false) --enable autooverwrite in other situations still todo
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installShortcut(repository.CurrentLocalPath)
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end
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local function printHelpText()
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local helpText = "This updater pulls the git files for installation and application updates.\n"..
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"Usage:\n" ..
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"updater <option> - no args: manual update and install\n"..
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" '' -h or --help - this help text"
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print(helpText)
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end
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local function run(cliArgs)
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if #cliArgs<1 then
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print("No Arguments given. For help, please check -h or --help")
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return
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end
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if cliArgs[1] == ("-h" or "--help") then
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printHelpText()
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return
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elseif cliArgs[1] == ("--setup-default") then
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--- ask user about repo
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Repository = DefaultRepository
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if askYesOrNoQuestion("Use default config? (github::seesberger/PowerManager)?",YES,NO,true) then runFullInstallTask(Repository) end
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return
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else
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print("failed, skipping")
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end
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end
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print('"'..cliArgs[1]..'" - Bad argument. Try --help')
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return
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print("Program exited.")
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end
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end
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if #args<1 then
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print("No Arguments given. Manual process...")
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manualUpdate()
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automaticInstall()
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return
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end
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if args[1] == "-h" then
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print(helpText)
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return
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elseif args[1] == "-a" then
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automaticUpdate()
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return
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elseif args[1] == "-i" then
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automaticUpdate()
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automaticInstall()
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return
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else
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print('"'..args[1]..'" - Bad argument.')
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print(helpText)
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return
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end
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run(args)
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Reference in New Issue
Block a user