Hilbish/nature/init.lua

-- Prelude initializes everything else for our shell
local _ = require 'succulent' -- Function additions

package.path = package.path .. ';' .. hilbish.dataDir .. '/?/init.lua'
.. ';' .. hilbish.dataDir .. '/?/?.lua'

require 'nature.hooks'
require 'nature.commands'
require 'nature.completions'

local shlvl = tonumber(os.getenv 'SHLVL')
if shlvl ~= nil then
	os.setenv('SHLVL', tostring(shlvl + 1))
else
	os.setenv('SHLVL', '0')
end

do
	local virt_G = { }

	setmetatable(_G, {
		__index = function (_, key)
			local got_virt = virt_G[key]
			if got_virt ~= nil then
				return got_virt
			end

			virt_G[key] = os.getenv(key)
			return virt_G[key]
		end,

		__newindex = function (_, key, value)
			if type(value) == 'string' then
				os.setenv(key, value)
				virt_G[key] = value
			else
				if type(virt_G[key]) == 'string' then
					os.setenv(key, '')
				end
				virt_G[key] = value
			end
		end,
	})
end