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, sinks)
if #args > 1 then
sinks.out:writeln("cd: too many arguments")
return 1
end
local path = args[1] and args[1] or hilbish.home
if path == '-' then
path = dirs.old
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sinks.out:writeln(path)
end
dirs.setOld(hilbish.cwd())
dirs.push(path)
local ok, err = pcall(function() fs.cd(path) end)
if not ok then
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sinks.out:writeln(err)
return 1
end
bait.throw('cd', path)
end)