src/bin/startGroovy.bat - groovy - Git at Google

 @if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem                                                                         ##
 @rem  Groovy JVM Bootstrap for Windowz                                       ##
 @rem                                                                         ##
 @rem ##########################################################################

 @rem
 @rem $Revision$ $Date$
 @rem

 @rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal

 set DIRNAME=%~1
 shift

 set CLASS=%~1
 shift

 if exist "%USERPROFILE%/.groovy/preinit.bat" call "%USERPROFILE%/.groovy/preinit.bat"

 @rem Determine the command interpreter to execute the "CD" later
 set COMMAND_COM="cmd.exe"
 if exist "%SystemRoot%\system32\cmd.exe" set COMMAND_COM="%SystemRoot%\system32\cmd.exe"
 if exist "%SystemRoot%\command.com" set COMMAND_COM="%SystemRoot%\command.com"

 @rem Use explicit find.exe to prevent cygwin and others find.exe from being used
 set FIND_EXE="find.exe"
 if exist "%SystemRoot%\system32\find.exe" set FIND_EXE="%SystemRoot%\system32\find.exe"
 if exist "%SystemRoot%\command\find.exe" set FIND_EXE="%SystemRoot%\command\find.exe"

 :check_JAVA_HOME
 @rem Make sure we have a valid JAVA_HOME
 if not "%JAVA_HOME%" == "" goto have_JAVA_HOME
 for %%P in (%PATH%) do if exist %%P\..\bin\java.exe set JAVA_HOME=%%P\..
 if not "%JAVA_HOME%" == "" goto valid_JAVA_HOME
 java -version 2>NUL
 if not ERRORLEVEL 1 goto default_JAVA_EXE

 echo.
 echo ERROR: Environment variable JAVA_HOME has not been set.
 echo Attempting to find JAVA_HOME from PATH also failed.
 goto common_error

 :have_JAVA_HOME
 @rem Remove trailing slash from JAVA_HOME if found
 if "%JAVA_HOME:~-1%"=="\" SET JAVA_HOME=%JAVA_HOME:~0,-1%

 @rem Validate JAVA_HOME
 %COMMAND_COM% /C DIR "%JAVA_HOME%" 2>&1 | %FIND_EXE% /I /C "%JAVA_HOME%" >nul
 if not errorlevel 1 goto valid_JAVA_HOME_DIR

 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

 :common_error
 echo Please set the JAVA_HOME variable in your environment
 echo to match the location of your Java installation.
 goto end

 :default_JAVA_EXE
 set JAVA_EXE=java.exe
 goto check_GROOVY_HOME

 :valid_JAVA_HOME_DIR
 set JAVA_EXE=%JAVA_HOME%\bin\java.exe
 if exist "%JAVA_EXE%" goto valid_JAVA_HOME

 echo.
 echo ERROR: No java.exe found at: %JAVA_EXE%
 goto common_error

 :valid_JAVA_HOME
 if exist "%JAVA_HOME%\lib\tools.jar" set TOOLS_JAR=%JAVA_HOME%\lib\tools.jar

 :check_GROOVY_HOME
 @rem Define GROOVY_HOME if not set
 if "%GROOVY_HOME%" == "" set GROOVY_HOME=%DIRNAME%..

 @rem Remove trailing slash from GROOVY_HOME if found
 if "%GROOVY_HOME:~-1%"=="\" SET GROOVY_HOME=%GROOVY_HOME:~0,-1%

 @rem classpath handling
 set _SKIP=1
 set CP=
 if "x%~1" == "x-cp" set CP=%~2
 if "x%~1" == "x-classpath" set CP=%~2
 if "x" == "x%CP%" goto init
 shift
 shift

 :init
 @rem get name of script to launch with full path
 set GROOVY_SCRIPT_NAME=%~f1
 @rem Get command-line arguments, handling Windowz variants
 if not "%OS%" == "Windows_NT" goto win9xME_args
 if "%eval[2+2]" == "4" goto 4NT_args

 :win9xME_args
 @rem Slurp the command line arguments.
 set CMD_LINE_ARGS=

 :win9xME_args_slurp
 if "x%~1" == "x" goto execute

 rem horrible roll your own arg processing inspired by jruby equivalent

 rem escape minus (-d), quotes (-q), star (-s).
 set _ARGS=%*
 if not defined _ARGS goto execute
 set _ARGS=%_ARGS:-=-d%
 set _ARGS=%_ARGS:"=-q%
 rem Windowz will try to match * with files so we escape it here
 rem but it is also a meta char for env var string substitution
 rem so it can't be first char here, hack just for common cases.
 rem If in doubt use a space or bracket before * if using -e.
 set _ARGS=%_ARGS: *= -s%
 set _ARGS=%_ARGS:)*=)-s%
 set _ARGS=%_ARGS:0*=0-s%
 set _ARGS=%_ARGS:1*=1-s%
 set _ARGS=%_ARGS:2*=2-s%
 set _ARGS=%_ARGS:3*=3-s%
 set _ARGS=%_ARGS:4*=4-s%
 set _ARGS=%_ARGS:5*=5-s%
 set _ARGS=%_ARGS:6*=6-s%
 set _ARGS=%_ARGS:7*=7-s%
 set _ARGS=%_ARGS:8*=8-s%
 set _ARGS=%_ARGS:9*=9-s%
 rem prequote all args for 'for' statement
 set _ARGS="%_ARGS%"

 :win9xME_args_loop
 rem split args by spaces into first and rest
 for /f "tokens=1,*" %%i in (%_ARGS%) do call :get_arg "%%i" "%%j"
 goto process_arg

 :get_arg
 rem remove quotes around first arg
 for %%i in (%1) do set _ARG=%%~i
 rem set the remaining args
 set _ARGS=%2
 rem return
 goto :EOF

 :process_arg
 if "%_ARG%" == "" goto execute

 if "x%_ARG%" == "x%CLASS%" goto found_class
 if "x1" == "x%_SKIP%" goto skip

 rem now unescape -q, -s, -d
 set _ARG=%_ARG:-q="%
 set _ARG=%_ARG:-s=*%
 set _ARG=%_ARG:-d=-%

 set CMD_LINE_ARGS=%CMD_LINE_ARGS% %_ARG%
 set _ARG=
 goto win9xME_args_loop

 :found_class
 set _SKIP=0
 set _ARG=
 goto win9xME_args_loop

 :skip
 set _ARG=
 goto win9xME_args_loop

 :4NT_args
 @rem Get arguments from the 4NT Shell from JP Software
 set CMD_LINE_ARGS=%$

 :execute
 @rem Setup the command line
 set STARTER_CLASSPATH=%GROOVY_HOME%\lib\@GROOVYJAR@

 if exist "%USERPROFILE%/.groovy/init.bat" call "%USERPROFILE%/.groovy/init.bat"

 @rem Setting a classpath using the -cp or -classpath option means not to use
 @rem the global classpath. Groovy behaves then the same as the java
 @rem interpreter
 if "x" == "x%CP%" goto empty_cp
 :non_empty_cp
 set CP=%CP%;.
 goto after_cp
 :empty_cp
 set CP=.
 if "x" == "x%CLASSPATH%" goto after_cp
 set CP=%CLASSPATH%;%CP%
 :after_cp

 set STARTER_MAIN_CLASS=org.codehaus.groovy.tools.GroovyStarter
 set STARTER_CONF=%GROOVY_HOME%\conf\groovy-starter.conf

 if "%JAVA_OPTS%" == "" set JAVA_OPTS="-Xmx128m"
 set JAVA_OPTS=%JAVA_OPTS% -Dprogram.name="%PROGNAME%"
 set JAVA_OPTS=%JAVA_OPTS% -Dgroovy.home="%GROOVY_HOME%"
 if not "%TOOLS_JAR%" == "" set JAVA_OPTS=%JAVA_OPTS% -Dtools.jar="%TOOLS_JAR%"
 set JAVA_OPTS=%JAVA_OPTS% -Dgroovy.starter.conf="%STARTER_CONF%"
 set JAVA_OPTS=%JAVA_OPTS% -Dscript.name="%GROOVY_SCRIPT_NAME%"

 if exist "%USERPROFILE%/.groovy/postinit.bat" call "%USERPROFILE%/.groovy/postinit.bat"

 @rem Execute Groovy
 "%JAVA_EXE%" %JAVA_OPTS% -classpath "%STARTER_CLASSPATH%" %STARTER_MAIN_CLASS% --main %CLASS% --conf "%STARTER_CONF%" --classpath "%CP%" %CMD_LINE_ARGS%

 :end
 @rem End local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" endlocal

 @rem Optional pause the batch file
 if "%GROOVY_BATCH_PAUSE%" == "on" pause
	@if "%DEBUG%" == "" @echo off
	@rem ##########################################################################
	@rem ##
	@rem Groovy JVM Bootstrap for Windowz ##
	@rem ##
	@rem ##########################################################################

	@rem
	@rem $Revision$ $Date$
	@rem

	@rem Set local scope for the variables with windows NT shell
	if "%OS%"=="Windows_NT" setlocal

	set DIRNAME=%~1
	shift

	set CLASS=%~1
	shift

	if exist "%USERPROFILE%/.groovy/preinit.bat" call "%USERPROFILE%/.groovy/preinit.bat"

	@rem Determine the command interpreter to execute the "CD" later
	set COMMAND_COM="cmd.exe"
	if exist "%SystemRoot%\system32\cmd.exe" set COMMAND_COM="%SystemRoot%\system32\cmd.exe"
	if exist "%SystemRoot%\command.com" set COMMAND_COM="%SystemRoot%\command.com"

	@rem Use explicit find.exe to prevent cygwin and others find.exe from being used
	set FIND_EXE="find.exe"
	if exist "%SystemRoot%\system32\find.exe" set FIND_EXE="%SystemRoot%\system32\find.exe"
	if exist "%SystemRoot%\command\find.exe" set FIND_EXE="%SystemRoot%\command\find.exe"

	:check_JAVA_HOME
	@rem Make sure we have a valid JAVA_HOME
	if not "%JAVA_HOME%" == "" goto have_JAVA_HOME
	for %%P in (%PATH%) do if exist %%P\..\bin\java.exe set JAVA_HOME=%%P\..
	if not "%JAVA_HOME%" == "" goto valid_JAVA_HOME
	java -version 2>NUL
	if not ERRORLEVEL 1 goto default_JAVA_EXE

	echo.
	echo ERROR: Environment variable JAVA_HOME has not been set.
	echo Attempting to find JAVA_HOME from PATH also failed.
	goto common_error

	:have_JAVA_HOME
	@rem Remove trailing slash from JAVA_HOME if found
	if "%JAVA_HOME:~-1%"=="\" SET JAVA_HOME=%JAVA_HOME:~0,-1%

	@rem Validate JAVA_HOME
	%COMMAND_COM% /C DIR "%JAVA_HOME%" 2>&1 \| %FIND_EXE% /I /C "%JAVA_HOME%" >nul
	if not errorlevel 1 goto valid_JAVA_HOME_DIR

	echo.
	echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

	:common_error
	echo Please set the JAVA_HOME variable in your environment
	echo to match the location of your Java installation.
	goto end

	:default_JAVA_EXE
	set JAVA_EXE=java.exe
	goto check_GROOVY_HOME

	:valid_JAVA_HOME_DIR
	set JAVA_EXE=%JAVA_HOME%\bin\java.exe
	if exist "%JAVA_EXE%" goto valid_JAVA_HOME

	echo.
	echo ERROR: No java.exe found at: %JAVA_EXE%
	goto common_error

	:valid_JAVA_HOME
	if exist "%JAVA_HOME%\lib\tools.jar" set TOOLS_JAR=%JAVA_HOME%\lib\tools.jar

	:check_GROOVY_HOME
	@rem Define GROOVY_HOME if not set
	if "%GROOVY_HOME%" == "" set GROOVY_HOME=%DIRNAME%..

	@rem Remove trailing slash from GROOVY_HOME if found
	if "%GROOVY_HOME:~-1%"=="\" SET GROOVY_HOME=%GROOVY_HOME:~0,-1%

	@rem classpath handling
	set _SKIP=1
	set CP=
	if "x%~1" == "x-cp" set CP=%~2
	if "x%~1" == "x-classpath" set CP=%~2
	if "x" == "x%CP%" goto init
	shift
	shift

	:init
	@rem get name of script to launch with full path
	set GROOVY_SCRIPT_NAME=%~f1
	@rem Get command-line arguments, handling Windowz variants
	if not "%OS%" == "Windows_NT" goto win9xME_args
	if "%eval[2+2]" == "4" goto 4NT_args

	:win9xME_args
	@rem Slurp the command line arguments.
	set CMD_LINE_ARGS=

	:win9xME_args_slurp
	if "x%~1" == "x" goto execute

	rem horrible roll your own arg processing inspired by jruby equivalent

	rem escape minus (-d), quotes (-q), star (-s).
	set _ARGS=%*
	if not defined _ARGS goto execute
	set _ARGS=%_ARGS:-=-d%
	set _ARGS=%_ARGS:"=-q%
	rem Windowz will try to match * with files so we escape it here
	rem but it is also a meta char for env var string substitution
	rem so it can't be first char here, hack just for common cases.
	rem If in doubt use a space or bracket before * if using -e.
	set _ARGS=%_ARGS: *= -s%
	set _ARGS=%_ARGS:)*=)-s%
	set _ARGS=%_ARGS:0*=0-s%
	set _ARGS=%_ARGS:1*=1-s%
	set _ARGS=%_ARGS:2*=2-s%
	set _ARGS=%_ARGS:3*=3-s%
	set _ARGS=%_ARGS:4*=4-s%
	set _ARGS=%_ARGS:5*=5-s%
	set _ARGS=%_ARGS:6*=6-s%
	set _ARGS=%_ARGS:7*=7-s%
	set _ARGS=%_ARGS:8*=8-s%
	set _ARGS=%_ARGS:9*=9-s%
	rem prequote all args for 'for' statement
	set _ARGS="%_ARGS%"

	:win9xME_args_loop
	rem split args by spaces into first and rest
	for /f "tokens=1,*" %%i in (%_ARGS%) do call :get_arg "%%i" "%%j"
	goto process_arg

	:get_arg
	rem remove quotes around first arg
	for %%i in (%1) do set _ARG=%%~i
	rem set the remaining args
	set _ARGS=%2
	rem return
	goto :EOF

	:process_arg
	if "%_ARG%" == "" goto execute

	if "x%_ARG%" == "x%CLASS%" goto found_class
	if "x1" == "x%_SKIP%" goto skip

	rem now unescape -q, -s, -d
	set _ARG=%_ARG:-q="%
	set _ARG=%_ARG:-s=*%
	set _ARG=%_ARG:-d=-%

	set CMD_LINE_ARGS=%CMD_LINE_ARGS% %_ARG%
	set _ARG=
	goto win9xME_args_loop

	:found_class
	set _SKIP=0
	set _ARG=
	goto win9xME_args_loop

	:skip
	set _ARG=
	goto win9xME_args_loop

	:4NT_args
	@rem Get arguments from the 4NT Shell from JP Software
	set CMD_LINE_ARGS=%$

	:execute
	@rem Setup the command line
	set STARTER_CLASSPATH=%GROOVY_HOME%\lib\@GROOVYJAR@

	if exist "%USERPROFILE%/.groovy/init.bat" call "%USERPROFILE%/.groovy/init.bat"

	@rem Setting a classpath using the -cp or -classpath option means not to use
	@rem the global classpath. Groovy behaves then the same as the java
	@rem interpreter
	if "x" == "x%CP%" goto empty_cp
	:non_empty_cp
	set CP=%CP%;.
	goto after_cp
	:empty_cp
	set CP=.
	if "x" == "x%CLASSPATH%" goto after_cp
	set CP=%CLASSPATH%;%CP%
	:after_cp

	set STARTER_MAIN_CLASS=org.codehaus.groovy.tools.GroovyStarter
	set STARTER_CONF=%GROOVY_HOME%\conf\groovy-starter.conf

	if "%JAVA_OPTS%" == "" set JAVA_OPTS="-Xmx128m"
	set JAVA_OPTS=%JAVA_OPTS% -Dprogram.name="%PROGNAME%"
	set JAVA_OPTS=%JAVA_OPTS% -Dgroovy.home="%GROOVY_HOME%"
	if not "%TOOLS_JAR%" == "" set JAVA_OPTS=%JAVA_OPTS% -Dtools.jar="%TOOLS_JAR%"
	set JAVA_OPTS=%JAVA_OPTS% -Dgroovy.starter.conf="%STARTER_CONF%"
	set JAVA_OPTS=%JAVA_OPTS% -Dscript.name="%GROOVY_SCRIPT_NAME%"

	if exist "%USERPROFILE%/.groovy/postinit.bat" call "%USERPROFILE%/.groovy/postinit.bat"

	@rem Execute Groovy
	"%JAVA_EXE%" %JAVA_OPTS% -classpath "%STARTER_CLASSPATH%" %STARTER_MAIN_CLASS% --main %CLASS% --conf "%STARTER_CONF%" --classpath "%CP%" %CMD_LINE_ARGS%

	:end
	@rem End local scope for the variables with windows NT shell
	if "%OS%"=="Windows_NT" endlocal

	@rem Optional pause the batch file
	if "%GROOVY_BATCH_PAUSE%" == "on" pause