Invoke javap with latest Scala 2.9.1 and Akka 2.0 jars from ivy cache

javap

#!/bin/bash
# Author Mike Slinn
# Invoke javap with latest Scala 2.9.1 and Akka 2.0 jars
# Does not use SBT or scala scripts, so this actually works on all platforms that have bash,
# including Cygwin.
# Common Akka and Scala jars are included in the classpath, also the current SBT project 
# class files if invoked from the root of an SBT project
# Invoke javap as usual with all options except classpath:
#   javap scala.None
# You can add to the classpath with -cp, if that option is provided first:
#   javap -cp org.apache.httpcomponents/httpclient/jars/ scala.None
# The additions to the classpath are assumed to exist in the ~.ivy2/cache and must end with /jars/
# The latest jar in that directory will be used

if [ $OSTYPE == cygwin ]; then
  DELIM=";"
  DHOME=`cygpath -dmas "$HOMEDRIVE$HOMEPATH"`
  IVY=$DHOME/.ivy2/cache
else
  IVY=~/.ivy2/cache
  DELIM=:
fi

function newest {
  for f in $IVY/${1}*.jar; do JAR=$f; done
    echo $JAR
}

function D {
  if [ "$CP" != "" ]; then 
    echo "$DELIM"
  else
    echo ""
  fi
}

# Include SBT/Maven compiled project classes if invoked from root of project
if [ -d target/scala-2.9.1/classes ]; then
  CP=target/scala-2.9.1/classes
fi

# getopts is broken under cygwin :(
while [ "$1" == -cp ]; do
  shift
  CP=$CP$(D)$(newest $1)
  shift
done

CP=$CP$(D)$(newest com.typesafe.akka/akka-actor/jars/)
CP=$CP$(D)$(newest org.scala-lang/scala-library/jars/)
CP=$CP$(D)$(newest com.github.scala-incubator.io/scala-io-core_2.9.1/jars/)
CP=$CP$(D)$(newest com.github.scala-incubator.io/scala-io-file_2.9.1/jars/)
CP=$CP$(D)$(newest org.scala-tools/scala-stm_2.9.1/jars/)
#echo $CP
"$JAVA_HOME/bin/javap" -classpath "$CP" "$@"