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|
--!A cross-platform build utility based on Lua
--
-- 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
--
-- 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.
--
-- Copyright (C) 2015-present, TBOOX Open Source Group.
--
-- @author ruki
-- @file linuxos.lua
--
-- define module: linuxos
local linuxos = linuxos or {}
-- load modules
local os = require("base/os")
local path = require("base/path")
local semver = require("base/semver")
-- get lsb_release information
--
-- e.g.
--
-- Distributor ID: Ubuntu
-- Description: Ubuntu 16.04.7 LTS
-- Release: 16.04
-- Codename: xenial
--
function linuxos._lsb_release()
local lsb_release = linuxos._LSB_RELEASE
if lsb_release == nil then
local ok, result = os.iorun("lsb_release -a")
if ok then
lsb_release = result
end
if lsb_release then
lsb_release = lsb_release:trim():lower()
end
linuxos._LSB_RELEASE = lsb_release or false
end
return lsb_release or nil
end
-- get uname information
function linuxos._uname_r()
local uname_r = linuxos._UNAME_R
if uname_r == nil then
local ok, result = os.iorun("uname -r")
if ok then
uname_r = result
end
if uname_r then
uname_r = uname_r:trim():lower()
end
linuxos._UNAME_R = uname_r or false
end
return uname_r or nil
end
-- get system name
--
-- e.g.
-- - ubuntu
-- - debian
-- - archlinux
-- - rhel
-- - centos
-- - fedora
-- - opensuse
-- - ...
function linuxos.name()
local name = linuxos._NAME
if name == nil then
-- get it from /etc/os-release first
if name == nil and os.isfile("/etc/os-release") then
local os_release = io.readfile("/etc/os-release")
if os_release then
os_release = os_release:trim():lower()
if os_release:find("arch linux", 1, true) or os_release:find("archlinux", 1, true) then
name = "archlinux"
elseif os_release:find("centos linux", 1, true) or os_release:find("centos", 1, true) then
name = "centos"
elseif os_release:find("fedora", 1, true) then
name = "fedora"
elseif os_release:find("uos", 1, true) then
name = "uos"
elseif os_release:find("deepin", 1, true) then
name = "deepin"
elseif os_release:find("linux mint", 1, true) or os_release:find("linuxmint", 1, true) then
name = "linuxmint"
-- kylin contains keyword 'UBUNTU_CODENAME', so we check kylin before ubuntu
elseif os_release:find("kylin", 1, true) then
name = "kylin"
elseif os_release:find("ubuntu", 1, true) then
name = "ubuntu"
elseif os_release:find("debian", 1, true) then
name = "debian"
elseif os_release:find("gentoo linux", 1, true) then
name = "gentoo"
elseif os_release:find("opensuse", 1, true) then
name = "opensuse"
elseif os_release:find("manjaro", 1, true) then
name = "manjaro"
end
end
end
-- get it from lsb release
if name == nil then
local lsb_release = linuxos._lsb_release()
if lsb_release and lsb_release:find("ubuntu", 1, true) then
name = "ubuntu"
end
end
-- is archlinux?
if name == nil and os.isfile("/etc/arch-release") then
name = "archlinux"
end
-- unknown
name = name or "unknown"
linuxos._NAME = name
end
return name
end
-- get system version
function linuxos.version()
local version = linuxos._VERSION
if version == nil then
-- get it from /etc/os-release first
if version == nil and os.isfile("/etc/os-release") then
local os_release = io.readfile("/etc/os-release")
if os_release then
os_release = os_release:trim():lower():split("\n")
for _, line in ipairs(os_release) do
-- ubuntu: VERSION="16.04.7 LTS (Xenial Xerus)"
-- fedora: VERSION="32 (Container Image)"
-- debian: VERSION="9 (stretch)"
-- kylin : VERSION="V10(kylin)"
if line:find("version=") then
line = line:sub(9)
version = semver.match(line)
if not version then
version = line:match("\"(%d+)%s+.*\"")
if version then
version = semver.new(version .. ".0")
end
end
-- is kylin?
if not version and line:find("kylin", 1, true) then
version = line:match("\"v(%d+)%(kylin%)\"")
if version then
version = semver.new(version .. ".0")
end
end
if version then
break
end
end
end
end
end
-- get it from lsb release
if version == nil then
local lsb_release = linuxos._lsb_release()
if lsb_release and lsb_release:find("ubuntu", 1, true) then
for _, line in ipairs(lsb_release:split("\n")) do
-- release: 16.04
if line:find("release:") then
version = semver.match(line, 9)
if version then
break
end
end
end
end
end
linuxos._VERSION = version
end
return version
end
-- get linux kernel version
function linuxos.kernelver()
local version = linuxos._KERNELVER
if version == nil then
if version == nil then
local uname_r = linuxos._uname_r()
if uname_r then
version = semver.match(uname_r)
end
end
linuxos._KERNELVER = version
end
return version
end
-- return module: linuxos
return linuxos
|
