strip trailing backslashes from ANT_HOME, CLASSPATH, JIKESPATH. PR# 39300.

fix reversed gotos bypassing run-with-classpath options. PR# 39475.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@399386 13f79535-47bb-0310-9956-ffa450edef68

src/script/ant.bat

@@ -25,12 +25,18 @@ if exist "%HOME%\antrc_pre.bat" call "%HOME%\antrc_pre.bat"
 if "%OS%"=="Windows_NT" @setlocal
 if "%OS%"=="WINNT" @setlocal
 
-rem %~dp0 is expanded pathname of the current script under NT
-set DEFAULT_ANT_HOME=%~dp0..
+if "%ANT_HOME%"=="" goto setDefaultAntHome
+
+:stripAntHome
+if not _%ANT_HOME:~-1%==_\ goto checkClasspath
+set ANT_HOME=%ANT_HOME:~0,-1%
+goto stripAntHome
 
-if "%ANT_HOME%"=="" set ANT_HOME=%DEFAULT_ANT_HOME%
-set DEFAULT_ANT_HOME=
+:setDefaultAntHome
+rem %~dp0 is expanded pathname of the current script under NT
+set ANT_HOME=%~dp0..
 
+:checkClasspath
 set _USE_CLASSPATH=yes
 rem CLASSPATH must not be used if it is equal to ""
 if "%CLASSPATH%"=="""" set _USE_CLASSPATH=no
@@ -58,6 +64,15 @@ rem This label provides a place for the argument list loop to break out
 rem and for NT handling to skip to.
 
 :doneStart
+
+if _USE_CLASSPATH==no goto findAntHome
+
+:stripClasspath
+if not _%CLASSPATH:~-1%==_\ goto findAntHome
+set CLASSPATH=%CLASSPATH:~0,-1%
+goto stripClasspath
+
+:findAntHome
 rem find ANT_HOME if it does not exist due to either an invalid value passed
 rem by the user or the %0 problem on Windows 9x
 if exist "%ANT_HOME%\lib\ant.jar" goto checkJava
@@ -99,32 +114,39 @@ if not "%JIKESPATH%"=="" goto runAntWithJikes
 
 :runAnt
 if "%_USE_CLASSPATH%"=="no" goto runAntNoClasspath
-:runAntNoClasspath
-"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" org.apache.tools.ant.launch.Launcher %ANT_ARGS% %ANT_CMD_LINE_ARGS%
+:runAntWithClasspath
+"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" org.apache.tools.ant.launch.Launcher %ANT_ARGS% -cp "%CLASSPATH%" %ANT_CMD_LINE_ARGS%
 rem Check the error code of the Ant build
 if not "%OS%"=="Windows_NT" goto onError
 set ANT_ERROR=%ERRORLEVEL%
 goto end
 
-:runAntWithClasspath
-"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" org.apache.tools.ant.launch.Launcher %ANT_ARGS% -cp "%CLASSPATH%" %ANT_CMD_LINE_ARGS%
+:runAntNoClasspath
+"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" org.apache.tools.ant.launch.Launcher %ANT_ARGS% %ANT_CMD_LINE_ARGS%
 rem Check the error code of the Ant build
 if not "%OS%"=="Windows_NT" goto onError
 set ANT_ERROR=%ERRORLEVEL%
 goto end
 
 :runAntWithJikes
+
+if not _%JIKESPATH:~-1%==_\ goto checkJikesAndClasspath
+set JIKESPATH=%JIKESPATH:~0,-1%
+goto runAntWithJikes
+
+:checkJikesAndClasspath
+
 if "%_USE_CLASSPATH%"=="no" goto runAntWithJikesNoClasspath
 
-:runAntWithJikesNoClasspath
-"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" "-Djikes.class.path=%JIKESPATH%" org.apache.tools.ant.launch.Launcher %ANT_ARGS% %ANT_CMD_LINE_ARGS%
+:runAntWithJikesAndClasspath
+"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" "-Djikes.class.path=%JIKESPATH%" org.apache.tools.ant.launch.Launcher %ANT_ARGS%  -cp "%CLASSPATH%" %ANT_CMD_LINE_ARGS%
 rem Check the error code of the Ant build
 if not "%OS%"=="Windows_NT" goto onError
 set ANT_ERROR=%ERRORLEVEL%
 goto end
 
-:runAntWithJikesAndClasspath
-"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" "-Djikes.class.path=%JIKESPATH%" org.apache.tools.ant.launch.Launcher %ANT_ARGS%  -cp "%CLASSPATH%" %ANT_CMD_LINE_ARGS%
+:runAntWithJikesNoClasspath
+"%_JAVACMD%" %ANT_OPTS% -classpath "%ANT_HOME%\lib\ant-launcher.jar" "-Dant.home=%ANT_HOME%" "-Djikes.class.path=%JIKESPATH%" org.apache.tools.ant.launch.Launcher %ANT_ARGS% %ANT_CMD_LINE_ARGS%
 rem Check the error code of the Ant build
 if not "%OS%"=="Windows_NT" goto onError
 set ANT_ERROR=%ERRORLEVEL%