fix loading classpath in batch script

Author: bishabosha

dist/bin/common.bat

@@ -41,16 +41,3 @@ if not defined _PROG_HOME (
 set "_ETC_DIR=%_PROG_HOME%\etc"
 
 set _PSEP=;
-
-@rem input parameter: %1=command for classpath file
-@rem output parameter: _CLASS_PATH
-:loadClasspathFromFile
-set "__COMMAND=%~1"
-set _CLASS_PATH=
-for /f "delims=" %%f in ("%_ETC_DIR%\%__COMMAND%.classpath") do (
-    set "relpath=%%f"
-    set "relpath=!relpath:/=\!"
-
-    set "_CLASS_PATH=!_CLASS_PATH!%_PROG_HOME%\maven2\%relpath%%_PSEP%"
-)
-goto :eof

dist/bin/scalac.bat

@@ -89,7 +89,7 @@ goto :eof
 @rem output parameter: _JVM_CP_ARGS
 :compilerJavaClasspathArgs
 
-call :loadClasspathFromFile "scala"
+call :loadClasspathFromFile
 
 set "__TOOLCHAIN=%_CLASS_PATH%"
 
@@ -100,6 +100,22 @@ if defined _SCALA_CPATH (
 )
 goto :eof
 
+@REM concatentate every line in "%_ETC_DIR%\scala.classpath" with _PSEP
+:loadClasspathFromFile
+set _CLASS_PATH=
+if exist "%_ETC_DIR%\scala.classpath" (
+    for /f "usebackq delims=" %%i in ("%_ETC_DIR%\scala.classpath") do (
+        set "_LIB=%_PROG_HOME%\maven2\%%i"
+        set "_LIB=!_LIB:/=\!"
+        if not defined _CLASS_PATH (
+            set "_CLASS_PATH=!_LIB!"
+        ) else (
+            set "_CLASS_PATH=!_CLASS_PATH!%_PSEP%!_LIB!"
+        )
+    )
+)
+goto :eof
+
 @rem #########################################################################
 @rem ## Cleanups
 

dist/bin/scaladoc.bat

@@ -107,7 +107,23 @@ goto :eof
 :classpathArgs
 set "_ETC_DIR=%_PROG_HOME%\etc"
 @rem keep list in sync with bash script `bin\scaladoc` !
-call :loadClasspathFromFile "scaladoc"
+call :loadClasspathFromFile
+goto :eof
+
+@REM concatentate every line in "%_ETC_DIR%\scaladoc.classpath" with _PSEP
+:loadClasspathFromFile
+set _CLASS_PATH=
+if exist "%_ETC_DIR%\scaladoc.classpath" (
+    for /f "usebackq delims=" %%i in ("%_ETC_DIR%\scaladoc.classpath") do (
+        set "_LIB=%_PROG_HOME%\maven2\%%i"
+        set "_LIB=!_LIB:/=\!"
+        if not defined _CLASS_PATH (
+            set "_CLASS_PATH=!_LIB!"
+        ) else (
+            set "_CLASS_PATH=!_CLASS_PATH!%_PSEP%!_LIB!"
+        )
+    )
+)
 goto :eof
 
 @rem #########################################################################