CLASSPATH append problem in bin/jruby script under cygwin
---------------------------------------------------------

                 Key: JRUBY-3081
                 URL: http://jira.codehaus.org/browse/JRUBY-3081
             Project: JRuby
          Issue Type: Bug
    Affects Versions: JRuby 1.1.4
         Environment: cygwin
            Reporter: Steve Riegel
            Assignee: Thomas E Enebo


java -classpath arg ends up containing ":" character due to explicit 
$CP_DELIMETER concat on exec line:

  exec "$JAVA_CMD" $JAVA_OPTS "[EMAIL PROTECTED]" -Xbootclasspath/a:"$JRUBY_CP" 
-classpath "$CP$CP_DELIMETER$CLASSPATH" ...

The ":" character partially damages the -classpath arg by causing the 
immediately preceding jar (at end of $CP) to be skipped/ignored.

Worked around by handling $CLASSPATH append during $CP construction, being 
careful to process completely in unix form before converting back to windows 
form:

81a82,87
>     if [ "$CLASSPATH" != "" ]; then
>         CP="$CLASSPATH"
>         if $cygwin; then
>             CP=`cygpath -p -u "$CP"`
>         fi
>     fi
228c234
<   exec "$JAVA_CMD" $JAVA_OPTS "[EMAIL PROTECTED]" 
-Xbootclasspath/a:"$JRUBY_CP" -classpath "$CP$CP_DELIMETER$CLASSPATH" \
---
>   exec "$JAVA_CMD" $JAVA_OPTS "[EMAIL PROTECTED]" 
> -Xbootclasspath/a:"$JRUBY_CP" -classpath "$CP" \

(Sorry, I'm not sure how to determine the exact version of the jruby script 
file.  I am using the jruby-1.1.4 release dated 28-Aug-2008 13:40.)

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