mirror of https://github.com/Hilbis/Hilbish
85 lines
1.8 KiB
Lua
85 lines
1.8 KiB
Lua
-- The preload file initializes everything else for our shell
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-- Currently it just adds our builtins
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local fs = require 'fs'
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local commander = require 'commander'
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local bait = require 'bait'
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commander.register('appendpath', function (args)
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bait.throw('appendpath', args)
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local path = ''
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for i = 1, #args do
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path = path .. tostring(args[i]) .. ':'
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end
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path = path:sub(1, -2)
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local ok, err = pcall(function() fs.appendpath(path) end)
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if not ok then
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if err == 1 then
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print('failed to set path')
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end
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bait.throw('command.exit', err)
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else bait.throw('command.exit', 0) end
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end)
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commander.register('cd', function (args)
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bait.throw('cd', args)
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if #args > 0 then
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local path = ''
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for i = 1, #args do
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path = path .. tostring(args[i]) .. ' '
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end
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local ok, err = pcall(function() fs.cd(path) end)
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if not ok then
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if err == 1 then
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print('directory does not exist')
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end
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bait.throw('command.exit', err)
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else bait.throw('command.exit', 0) end
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return
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end
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fs.cd(os.getenv 'HOME')
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bait.throw('command.exit', 0)
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end)
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commander.register('exit', function()
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os.exit(0)
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end)
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do
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local virt_G = { }
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setmetatable(_G, {
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__index = function (self, key)
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local got_virt = virt_G[key]
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if got_virt ~= nil then
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return got_virt
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end
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virt_G[key] = os.getenv(key)
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return virt_G[key]
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end,
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__newindex = function (self, key, value)
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if type(value) == 'string' then
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os.setenv(key, value)
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virt_G[key] = value
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else
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if type(virt_G[key]) == 'string' then
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os.setenv(key, '')
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end
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virt_G[key] = value
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end
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end,
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})
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bait.catch('command.exit', function ()
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for key, value in pairs(virt_G) do
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if type(value) == 'string' then
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virt_G[key] = os.getenv(key)
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end
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end
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end)
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end
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