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--
-- ion/query/mod_query_chdir.lua
--
-- Copyright (c) Tuomo Valkonen 2004-2009.
--
-- See the included file LICENSE for details.
--
local function simplify_path(path)
local npath=string.gsub(path, "([^/]+)/+%.%./+", "")
if npath~=path then
return simplify_path(npath)
else
return string.gsub(string.gsub(path, "([^/]+)/+%.%.$", ""), "/+", "/")
end
end
local function relative_path(path)
return not string.find(path, "^/")
end
local function empty_path(path)
return (not path or path=="")
end
local function ws_chdir(mplex, params)
local nwd=params[1]
ws=assert(ioncore.find_manager(mplex, "WGroupWS"))
if not empty_path(nwd) and relative_path(nwd) then
local owd=ioncore.get_dir_for(ws)
if empty_path(owd) then
owd=os.getenv("PWD")
end
if owd then
nwd=owd.."/"..nwd
end
end
local ok, err=ioncore.chdir_for(ws, nwd and simplify_path(nwd))
if not ok then
mod_query.warn(mplex, err)
end
end
local function ws_showdir(mplex, params)
local dir=ioncore.get_dir_for(mplex)
if empty_path(dir) then
dir=os.getenv("PWD")
end
mod_query.message(mplex, dir or "(?)")
end
mod_query.defcmd("cd", ws_chdir)
mod_query.defcmd("pwd", ws_showdir)
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