--[[
LuCI - Lua Configuration Interface
-(c) 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+(c) 2008-2011 Jo-Philipp Wich <xm@subsignal.org>
(c) 2008 Steven Barth <steven@midlink.org>
Licensed under the Apache License, Version 2.0 (the "License");
]]--
local os = require "os"
+local io = require "io"
+local fs = require "nixio.fs"
local util = require "luci.util"
local type = type
local pairs = pairs
local error = error
+local table = table
-local ipkg = "opkg"
+local ipkg = "opkg --force-removal-of-dependent-packages --force-overwrite"
+local icfg = "/etc/opkg.conf"
---- LuCI IPKG/OPKG call abstraction library
+--- LuCI OPKG call abstraction library
module "luci.model.ipkg"
-- Internal action function
local function _action(cmd, ...)
local pkg = ""
- arg.n = nil
- for k, v in pairs(arg) do
+ for k, v in pairs({...}) do
pkg = pkg .. " '" .. v:gsub("'", "") .. "'"
end
-
- local c = ipkg.." "..cmd.." "..pkg.." >/dev/null 2>&1"
+
+ local c = "%s %s %s >/tmp/opkg.stdout 2>/tmp/opkg.stderr" %{ ipkg, cmd, pkg }
local r = os.execute(c)
- return (r == 0), r
+ local e = fs.readfile("/tmp/opkg.stderr")
+ local o = fs.readfile("/tmp/opkg.stdout")
+
+ fs.unlink("/tmp/opkg.stderr")
+ fs.unlink("/tmp/opkg.stdout")
+
+ return r, o or "", e or ""
end
-- Internal parser function
-local function _parselist(rawdata)
+local function _parselist(rawdata)
if type(rawdata) ~= "function" then
- error("IPKG: Invalid rawdata given")
+ error("OPKG: Invalid rawdata given")
end
-
+
local data = {}
local c = {}
local l = nil
-
+
for line in rawdata do
if line:sub(1, 1) ~= " " then
local key, val = line:match("(.-): ?(.*)%s*")
-
+
if key and val then
if key == "Package" then
c = {Package = val}
c[l] = c[l] .. "\n" .. line
end
end
-
+
return data
end
if pkg then
cmd = cmd .. " '" .. pkg:gsub("'", "") .. "'"
end
-
- return _parselist(util.execi(cmd .. " 2>/dev/null"))
+
+ -- OPKG sometimes kills the whole machine because it sucks
+ -- Therefore we have to use a sucky approach too and use
+ -- tmpfiles instead of directly reading the output
+ local tmpfile = os.tmpname()
+ os.execute(cmd .. (" >%s 2>/dev/null" % tmpfile))
+
+ local data = _parselist(io.lines(tmpfile))
+ os.remove(tmpfile)
+ return data
end
--- Install one or more packages.
-- @param ... List of packages to install
-- @return Boolean indicating the status of the action
--- @return IPKG return code
+-- @return OPKG return code, STDOUT and STDERR
function install(...)
return _action("install", ...)
end
--- Remove one or more packages.
-- @param ... List of packages to install
-- @return Boolean indicating the status of the action
--- @return IPKG return code
+-- @return OPKG return code, STDOUT and STDERR
function remove(...)
return _action("remove", ...)
end
--- Update package lists.
-- @return Boolean indicating the status of the action
--- @return IPKG return code
+-- @return OPKG return code, STDOUT and STDERR
function update()
return _action("update")
end
--- Upgrades all installed packages.
-- @return Boolean indicating the status of the action
--- @return IPKG return code
+-- @return OPKG return code, STDOUT and STDERR
function upgrade()
return _action("upgrade")
end
+-- List helper
+function _list(action, pat, cb)
+ local fd = io.popen(ipkg .. " " .. action ..
+ (pat and (" '%s'" % pat:gsub("'", "")) or "")) -- .. " | grep -vE '^ '")
+
+ if fd then
+ local name, version, desc
+ while true do
+ local line = fd:read("*l")
+ if not line then break end
+
+ if line:sub(1,1) ~= " " then
+ name, version, desc = line:match("^(.-) %- (.-) %- (.+)")
+
+ if not name then
+ name, version = line:match("^(.-) %- (.+)")
+ desc = ""
+ end
+
+ cb(name, version, desc)
+
+ name = nil
+ version = nil
+ desc = nil
+ end
+ end
+
+ fd:close()
+ end
+end
+
+--- List all packages known to opkg.
+-- @param pat Only find packages matching this pattern, nil lists all packages
+-- @param cb Callback function invoked for each package, receives name, version and description as arguments
+-- @return nothing
+function list_all(pat, cb)
+ _list("list", pat, cb)
+end
+
+--- List installed packages.
+-- @param pat Only find packages matching this pattern, nil lists all packages
+-- @param cb Callback function invoked for each package, receives name, version and description as arguments
+-- @return nothing
+function list_installed(pat, cb)
+ _list("list_installed", pat, cb)
+end
+
+--- Determines the overlay root used by opkg.
+-- @return String containing the directory path of the overlay root.
+function overlay_root()
+ local od = "/"
+ local fd = io.open(icfg, "r")
+
+ if fd then
+ local ln
+
+ repeat
+ ln = fd:read("*l")
+ if ln and ln:match("^%s*option%s+overlay_root%s+") then
+ od = ln:match("^%s*option%s+overlay_root%s+(%S+)")
+
+ local s = fs.stat(od)
+ if not s or s.type ~= "dir" then
+ od = "/"
+ end
+
+ break
+ end
+ until not ln
+
+ fd:close()
+ end
+
+ return od
+end
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