Hammerspoon init that installs SpoonInstall if needed

init.lua

local INSTALL_URL = "https://github.com/Hammerspoon/Spoons/raw/refs/heads/master/Spoons/SpoonInstall.spoon.zip"
local spoons_dir = hs.configdir .. "/Spoons"
local install_dir = spoons_dir .. "/SpoonInstall.spoon"
local zip_file = install_dir .. ".zip"

if hs.fs.attributes(install_dir) == nil then
	hs.fs.mkdir(spoons_dir)

	local unpack = hs.task.new("/usr/bin/unzip", function(exit_code, _stdout, stderr)
		if exit_code ~= 0 then
			hs.printf("[SpoonInstall] Unpack failed: %s", stderr)
			return
		end

		os.remove(zip_file)
		hs.printf("Reloading configuration")
		hs.reload()
	end, { "-o", zip_file, "-d", spoons_dir })

	local download = hs.task.new("/usr/bin/curl", function(exit_code, _stdout, stderr)
		if exit_code ~= 0 then
			hs.printf("[SpoonInstall] Download failed: %s", stderr)
			return
		end

		unpack:start()
	end, { "-Lfo", zip_file, INSTALL_URL })

	if hs.fs.attributes(zip_file) then
		unpack:start()
		unpack:waitUntilExit()
	else
		download:start()
		download:waitUntilExit()
	end
end

hs.loadSpoon("SpoonInstall")
-- SpoonInstall is now loaded. Add your configuration here.