Doggy Bootloader installer

local component = require("component")
local computer = require("computer")
local event = require("event")
local term = require("term")
math.randomseed(os.clock() * 100000000000)  -- Seed for randomness

-- Function to draw the loading bar
local function drawLoadingBar(percent)
    local width = 50  -- Width of the loading bar
    local filledLength = math.floor(width * percent)

    term.clear()
    term.setCursor(1, 1)

    -- Draw border
    term.write("╔" .. string.rep("═", width + 2) .. "╗\n")
    term.write("║  " .. "Flashing BIOS..." .. string.rep(" ", width - 18) .. "║\n") -- Adjusting for text width
    term.write("╠" .. string.rep("═", width + 2) .. "╣\n")

    -- Draw the loading bar
    term.write("║  [")

    -- Fill the bar with different characters
    if filledLength > 0 then
        term.write(string.rep("█", filledLength))  -- Filled part
    end

    -- Empty part with spaces
    term.write(string.rep("░", width - filledLength))  -- Use a different character for empty part

    term.write("]  " .. math.floor(percent * 100) .. "%  ║\n")

    -- Draw the bottom border
    term.write("╚" .. string.rep("═", width + 2) .. "╝")
    term.setCursor(1, 1)
end

-- Function to introduce stuttering and stop at checkpoints
local function executeWithLoading(commands)
    local totalCommands = #commands

    for i, command in ipairs(commands) do
        local filledPercent = 0

        while filledPercent < 1 do
            -- Determine the amount to increase
            local increment = math.random(1, 5) / 100  -- Random increment between 1% and 5%
            filledPercent = math.min(1, filledPercent + increment)  -- Update filled percentage

            -- Randomly decide to stutter (pause briefly)
            if math.random(1, 10) <= 3 then  -- 30% chance to stutter
                os.sleep(math.random(100, 300) / 1000)  -- Random pause between 100ms and 300ms
            else
                drawLoadingBar((i - 1) / totalCommands + filledPercent / totalCommands)  -- Calculate overall progress
                os.sleep(math.random(10, 50) / 1000)  -- Random sleep between 10ms and 50ms
            end

            -- Introduce stops at specific checkpoints
            if filledPercent >= 0.25 and filledPercent < 0.26 then
                drawLoadingBar((i - 1) / totalCommands + filledPercent / totalCommands)  -- Stop at 25%
                os.sleep(0.5)  -- Pause at 25%
            elseif filledPercent >= 0.50 and filledPercent < 0.51 then
                drawLoadingBar((i - 1) / totalCommands + filledPercent / totalCommands)  -- Stop at 50%
                os.sleep(0.5)  -- Pause at 50%
            elseif filledPercent >= 1.0 then
                drawLoadingBar((i - 1) / totalCommands + filledPercent / totalCommands)  -- Finalize at 100%
                os.sleep(1)  -- Pause to show 100% loaded
            end
        end

        os.execute(command .. " > /dev/null 2>&1")  -- Hide command output
    end

    -- Finalize the loading bar to 100%
    drawLoadingBar(1)
    os.sleep(1)  -- Pause to show 100% loaded
end

-- Commands to execute
local commands = {
    "pastebin get fXVY4pKD DOS",
    "flash DOS -q",
    "rm DOS",
    "reboot"
}

-- Start execution with loading bar
executeWithLoading(commands)