fuse-jars.sh

#!/bin/bash

# Fuses a dacapo-bach JAR with the extra classes that are observed
# when it runs. The result JAR contains the original JAR classes plus
# all classes only existing in the second JAR.
#
# Usage: ./fuse-jars.sh original.jar captured.jar result.jar
#
#   original.jar : original JAR from doop-benchmarks/dacapo-bach
#   captured.jar : result of running the agent recording loaded
#                  classes.
#   result.jar   : the name of the JAR to generate.

RESULT_JAR=$3
MANIFEST=dacapo-bach/tradebeans-skeleton/META-INF/MANIFEST.MF

# function fixDependencies {
#     if [ "$3" == "eclipse-fused.jar" ]
#     then
#        jar xf ${HOME}/doop-benchmarks/dacapo-bach/.libs.d/xml-apis.jar
#     fi
# }

if [ \( "$1" == "" \) -o \( "$2" == "" \) -o \( "$3" == "" \)  ]
then
    echo Usage: ./fuse-jars.sh original.jar captured.jar result.jar
else
    CWD=`pwd`
    OUT_DIR=`mktemp -d`
    echo Using temporary output directory ${OUT_DIR}...
    ORIGINAL_JAR=`realpath $1`
    CAPTURED_JAR=`realpath $2`
    cd ${OUT_DIR}
    # fixDependencies
    jar xf ${CAPTURED_JAR}
    jar xf ${ORIGINAL_JAR}
    cd ${CWD}
    jar cfm ${RESULT_JAR} ${MANIFEST} -C ${OUT_DIR} .
    rm -rf ${OUT_DIR}

    echo 'Statistics (# of classes):'
    jar tf $1 | grep -F '.class' | sort | uniq > ${CWD}/original_classes.txt
    jar tf $2 | grep -F '.class' | sort | uniq > ${CWD}/captured_classes.txt
    jar tf $3 | grep -F '.class' | sort | uniq > ${CWD}/fused_classes.txt
    echo -n 'Original: '
    cat ${CWD}/original_classes.txt | wc -l
    echo -n 'Captured: '
    cat ${CWD}/captured_classes.txt | wc -l
    echo -n 'Fused: '
    cat ${CWD}/fused_classes.txt | wc -l

fi