--[[
-LuCI - IPKG wrapper library
+LuCI - Lua Configuration Interface
-Description:
-Wrapper for the ipkg Package manager
-
-Any return value of false or nil can be interpreted as an error
-
-FileId:
-$Id$
-
-License:
-Copyright 2008 Steven Barth <steven@midlink.org>
+(c) 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+(c) 2008 Steven Barth <steven@midlink.org>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
+You may obtain a copy of the License at
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
+http://www.apache.org/licenses/LICENSE-2.0
+$Id$
]]--
-module("luci.model.ipkg", package.seeall)
-require("luci.util")
-require("luci.fs")
-
-ipkg = luci.fs.access("/bin/opkg") and "opkg" or "ipkg"
-
--- Returns repository information
-function info(pkg)
- return _lookup("info", pkg)
-end
--- Returns a table with status information
-function status(pkg)
- return _lookup("status", pkg)
-end
-
--- Installs packages
-function install(...)
- return _action("install", ...)
-end
-
--- Returns whether a package is installed
-function installed(pkg, ...)
- local p = status(...)[pkg]
- return (p and p.Status and p.Status.installed)
-end
+local os = require "os"
+local io = require "io"
+local util = require "luci.util"
--- Removes packages
-function remove(...)
- return _action("remove", ...)
-end
+local type = type
+local pairs = pairs
+local error = error
--- Updates package lists
-function update()
- return _action("update")
-end
+local ipkg = "opkg -force-defaults"
--- Upgrades installed packages
-function upgrade()
- return _action("upgrade")
-end
+--- LuCI IPKG/OPKG call abstraction library
+module "luci.model.ipkg"
-- Internal action function
-function _action(cmd, ...)
+local function _action(cmd, ...)
local pkg = ""
arg.n = nil
for k, v in pairs(arg) do
pkg = pkg .. " '" .. v:gsub("'", "") .. "'"
end
-
+
local c = ipkg.." "..cmd.." "..pkg.." >/dev/null 2>&1"
local r = os.execute(c)
- return (r == 0), r
-end
-
--- Internal lookup function
-function _lookup(act, pkg)
- local cmd = ipkg .. " " .. act
- if pkg then
- cmd = cmd .. " '" .. pkg:gsub("'", "") .. "'"
- end
-
- return _parselist(luci.util.exec(cmd .. " 2>/dev/null"))
+ return (r == 0), r
end
-- Internal parser function
-function _parselist(rawdata)
- if type(rawdata) ~= "string" then
+local function _parselist(rawdata)
+ if type(rawdata) ~= "function" then
error("IPKG: Invalid rawdata given")
end
-
- rawdata = luci.util.split(rawdata)
+
local data = {}
local c = {}
local l = nil
-
- for k, line in pairs(rawdata) do
+
+ for line in rawdata do
if line:sub(1, 1) ~= " " then
- local split = luci.util.split(line, ":", 1)
- local key = nil
- local val = nil
-
- if split[1] then
- key = luci.util.trim(split[1])
- end
-
- if split[2] then
- val = luci.util.trim(split[2])
- end
-
+ local key, val = line:match("(.-): ?(.*)%s*")
+
if key and val then
if key == "Package" then
c = {Package = val}
data[val] = c
elseif key == "Status" then
c.Status = {}
- for i, j in pairs(luci.util.split(val, " ")) do
+ for j in val:gmatch("([^ ]+)") do
c.Status[j] = true
end
else
end
else
-- Multi-line field
- c[l] = c[l] .. "\n" .. line:sub(2)
+ c[l] = c[l] .. "\n" .. line
end
end
-
+
return data
-end
\ No newline at end of file
+end
+
+-- Internal lookup function
+local function _lookup(act, pkg)
+ local cmd = ipkg .. " " .. act
+ if pkg then
+ cmd = cmd .. " '" .. pkg:gsub("'", "") .. "'"
+ end
+
+ -- IPKG 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
+
+
+--- Return information about installed and available packages.
+-- @param pkg Limit output to a (set of) packages
+-- @return Table containing package information
+function info(pkg)
+ return _lookup("info", pkg)
+end
+
+--- Return the package status of one or more packages.
+-- @param pkg Limit output to a (set of) packages
+-- @return Table containing package status information
+function status(pkg)
+ return _lookup("status", pkg)
+end
+
+--- Install one or more packages.
+-- @param ... List of packages to install
+-- @return Boolean indicating the status of the action
+-- @return IPKG return code
+function install(...)
+ return _action("install", ...)
+end
+
+--- Determine whether a given package is installed.
+-- @param pkg Package
+-- @return Boolean
+function installed(pkg)
+ local p = status(pkg)[pkg]
+ return (p and p.Status and p.Status.installed)
+end
+
+--- Remove one or more packages.
+-- @param ... List of packages to install
+-- @return Boolean indicating the status of the action
+-- @return IPKG return code
+function remove(...)
+ return _action("remove", ...)
+end
+
+--- Update package lists.
+-- @return Boolean indicating the status of the action
+-- @return IPKG return code
+function update()
+ return _action("update")
+end
+
+--- Upgrades all installed packages.
+-- @return Boolean indicating the status of the action
+-- @return IPKG return code
+function upgrade()
+ return _action("upgrade")
+end
projects / project / luci.git / blobdiff