add linuxos module

1 files changed, 187 insertions, 0 deletions

diff --git a/xmake/core/base/linuxos.lua b/xmake/core/base/linuxos.lua
new file mode 100644
index 000000000..3e4b94e41
--- /dev/null
+++ b/xmake/core/base/linuxos.lua
@@ -0,0 +1,187 @@
+--!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) then
+                    name = "archlinux"
+                elseif os_release:find("fedora", 1, true) then
+                    name = "fedora"
+                elseif os_release:find("ubuntu", 1, true) then
+                    name = "ubuntu"
+                elseif os_release:find("debian", 1, true) then
+                    name = "debian"
+                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)"
+                    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
+                        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