[系统相关] CMD窗口启动和批处理文件中启动的程序运行环境有不同？

@echo off

::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
:: 检测系统中是否有distccd在运行
::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
set /a DistccdCount=0
for /f "delims=" %%i in ('tasklist ^| findstr /i "distccd.exe"') do (set /a DistccdCount+=1)
if not %DistccdCount%==0 (echo distccd is already running && goto eof)
:: 先终止当前的distccd线程
::taskkill /F /IM distccd.exe

::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
:: 根据操作系统类型，查询注册表，寻找cygwin安装目录
::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
set TheOs=
if /i not "%os%."=="Windows_NT." goto UnknownSystemError
:: 判断系统版本
for /f "delims=" %%i in ('ver ^| findstr /i "6.1"') do (set TheOs=Win7 && goto Win7)
for /f "delims=" %%i in ('ver ^| findstr /i "6.1"') do (set TheOs=WinVista && goto WinVista)
for /f "delims=" %%i in ('ver ^| findstr /i "5.0"') do (set TheOs=Win2000 && goto Win2000)
for /f "delims=" %%i in ('ver ^| findstr /i "5.1"') do (set TheOs=WinXP && goto WinXP)
for /f "delims=" %%i in ('ver ^| findstr /i "5.2"') do (set TheOs=Win2003 && goto Win2003)
:: 默认是XP
set TheOs=WinXP && goto WinXP

:Win7
:WinVista
echo Find Cygwin install path @%TheOs%
for /f "skip=2 tokens=1-3" %%a in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Cygnus Solutions\Cygwin\mounts v2\/" /v native') do (
  set "CYGWIN_HOME=%%c"
)
if "%CYGWIN_HOME%"=="" (goto UnknowCygwinInstallPath) else (goto FindDistccd)

:Win2000
:WinXP
echo Find Cygwin install path @%TheOs%
for /f "skip=4 tokens=1-3" %%a in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/" /v native') do (
  set "CYGWIN_HOME=%%c"
)
if "%CYGWIN_HOME%"=="" (goto UnknowCygwinInstallPath) else (goto FindDistccd)

:Win2003
echo Find Cygwin install path @%TheOs%
for /f "skip=1 tokens=1-3" %%a in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/" /v native') do (
  set "CYGWIN_HOME=%%c"
)
if "%CYGWIN_HOME%"=="" (goto UnknowCygwinInstallPath) else (goto FindDistccd)

::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
:: 启动distccd
::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
:FindDistccd
echo cygwin install path is: %CYGWIN_HOME%
:: 默认distccd位于cygwin安装目录bin下
set DISTCCD_PATH=%CYGWIN_HOME%\bin
:: 检测distccd是否存在
if not exist %DISTCCD_PATH%\distccd.exe (goto NoDistccd)

:: 环境变量中加入distccd以及cygwin的bin目录
set PATH=%CYGWIN_HOME%\usr\bin;%CYGWIN_HOME%\bin;%PATH%

:: 启动distccd
:: 这里有个没有解决的问题，在cmd窗口中，只要设置正确的PATH，可以直接输入distccd命令启动，但是在bat文件中却有问题
:: 通过bash虽然能启动distccd，但是distccd必须放到cygwin安装目录的bin下。具体原因未知
echo start distccd...
:: 增加mips-elf-gcc.exe的目录，希望distccd执行的时候能找到该编译器
set PATH=%CYGWIN_HOME%\crosscompiler\bin;%PATH%
::%DISTCCD_PATH%\distccd.exe --daemon --allow 192.168.1.0/24 --verbose --log-file 1.txt --pid-file 1.pid
::bash --noprofile -c "distccd --daemon --allow 192.168.1.0/24 --verbose --log-file 1.txt --pid-file 1.pid"
bash --noprofile -c "distccd --daemon --allow 192.168.1.0/24"
if errorlevel 0 (goto Success) else (goto Error)

::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
:: 以下为各种错误处理
::+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
:UnknownSystemError
echo Unknown OS!!!
goto Error

:UnknowCygwinInstallPath
echo Cannot find cygwin install path!!!
goto Error

:NoDistccd
echo Cannot find distccd @%DISTCCD_PATH%
goto Error

:Success
echo distccd start successful...
:: 显示三秒后，直接退出，sleep是cygwin的bin下的工具
sleep 3
goto eof

:Error
echo distccd start failed...
pause
goto eof

:eof
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