added arguments to shortcut and removed installer.lua as it was unnecessary

installer.lua

@@ -1,33 +1,2 @@
-local args = {...}
-local headerText = "PowerManager - Installer\n"
-local startOnBootText = "Beim Boot ausführen?"
-local automaticUpdateText = "Automatisch updates herunterladen?"
-
---returns the user input as bool (Y/N) -> (1/0)
-local function askThatDamnUser(prompt)
-    while true do
-        print(">>> " .. prompt)
-        local userInput = io.read()
-
-        if userInput == "Y" then
-            return true
-        elseif userInput == "N" then
-            return false
-        else
-            print("Hallo? => ( Y / N ) Nicht -> " .. userInput)
-        end
-    end
-end
-
-
-local startOnBoot = askThatDamnUser(startOnBootText)
-local automaticUpdate = askThatDamnUser(automaticUpdateText)
-
-if startOnBoot then
-    print("notImplementedYet")
-end
-if automaticUpdate then
-    print("notImplementedYet")
-end
 
 os.execute("mv shortcut.lua /usr/bin/powerman.lua")

main.lua

@@ -1,2 +1 @@
-dofile("/usr/PowerManager/updater.lua")
 dofile("/usr/PowerManager/PowerManager.lua")

shortcut.lua

@@ -1 +1,20 @@
-dofile("/home/PowerManager/main.lua")
+local args = {...}
+local helpText = "This is a tool for displaying and managing your Power cells and generators."
+
+
+if #args<1 then
+    dofile("/usr/PowerManager/main.lua")
+    return
+end
+
+if args[1] == "-h" then
+    print(helpText)
+    return
+elseif args[1] == "update" then
+    dofile("/usr/PowerManager/updater.lua")
+    return
+else
+    print('"'..args[1]..'" - Bad argument. you can use: powerman update')
+    print(helpText)
+    return
+end

updater.lua

@@ -17,7 +17,7 @@ function manualUpdate()
 end
 
 function manualInstall()
-    os.execute(targetFilepath.."installer.lua -m")
+    os.execute("mv shortcut.lua /usr/bin/powerman.lua")
 end
 
 function automaticUpdate()
@@ -25,10 +25,10 @@ function automaticUpdate()
 end
 
 function automaticInstall()
-    os.execute(targetFilepath.."installer.lua -a")
+    os.execute("mv shortcut.lua /usr/bin/powerman.lua")
 end
 
-function downloadRepo(repo, target, auto)
+function downloadRepo(repo, target, automatic)
 
     if not repo:match("^[%w-.]*/[%w-.]*$") then
         print('"'..repo..'" does not look like a valid repo identifier.\nShould be <owner>/<reponame>')
@@ -142,7 +142,7 @@ function downloadRepo(repo, target, auto)
     end
 
     local replaceMode="ask"
-    if auto then replacemode = "always" end
+    if auto == true then replaceMode = "always" end
     for i=1,#files do
         local replace=nil
         if filesystem.exists(target..files[i]) then