Hilbish/nature/commands/cd.lua

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local bait = require 'bait'
local commander = require 'commander'
local fs = require 'fs'
local dirs = require 'nature.dirs'
dirs.old = hilbish.cwd()
commander.register('cd', function (args)
if #args > 1 then
print("cd: too many arguments")
return 1
elseif #args > 0 then
local path = args[1]:gsub('$%$','\0'):gsub('${([%w_]+)}', os.getenv)
:gsub('$([%w_]+)', os.getenv):gsub('%z','$'):gsub('^%s*(.-)%s*$', '%1')
if path == '-' then
path = dirs.old
print(path)
end
dirs.setOld(hilbish.cwd())
dirs.push(path)
local ok, err = pcall(function() fs.cd(path) end)
if not ok then
print(err)
return 1
end
bait.throw('cd', path)
return
end
fs.cd(hilbish.home)
bait.throw('cd', hilbish.home)
dirs.push(hilbish.home)
end)