#!/bin/bash -eu
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##########################################################################

find ./ -name pom.xml -exec sed -i 's/source>1.5</source>1.8</g' {} \;
find ./ -name pom.xml -exec sed -i 's/target>1.5</target>1.8</g' {} \;

$MVN clean package -Dmaven.javadoc.skip=true -DskipTests=true -Dpmd.skip=true \
    -Dencoding=UTF-8 -Dmaven.antrun.skip=true -Dcheckstyle.skip=true \
    -Denforcer.fail=false dependency:copy-dependencies

JARFILE_LIST=
for JARFILE in $(find ./target  -name *.jar)
do
  cp $JARFILE $OUT/
  JARFILE_LIST="$JARFILE_LIST$(basename $JARFILE) "
done

curr_dir=$(pwd)
rm -rf $OUT/jar_temp
mkdir $OUT/jar_temp
cd $OUT/jar_temp
for JARFILE in $JARFILE_LIST
do
  jar -xf $OUT/$JARFILE
done
cd $curr_dir

BUILD_CLASSPATH=$JAZZER_API_PATH:$OUT/jar_temp
RUNTIME_CLASSPATH=\$this_dir/jar_temp:\$this_dir
for fuzzer in $(find $SRC -maxdepth 1 -name '*Fuzzer.java')
do
  fuzzer_basename=$(basename -s .java $fuzzer)
  javac -cp $BUILD_CLASSPATH $fuzzer
  cp $SRC/$fuzzer_basename.class $OUT/

  # Create an execution wrapper that executes Jazzer with the correct arguments.
  echo "#!/bin/bash
# LLVMFuzzerTestOneInput for fuzzer detection.
this_dir=\$(dirname "\$0")
if [[ "\$@" =~ (^| )-runs=[0-9]+($| ) ]]
then
mem_settings='-Xmx1900m:-Xss900k'
else
mem_settings='-Xmx2048m:-Xss1024k'
fi
LD_LIBRARY_PATH="$JVM_LD_LIBRARY_PATH":\$this_dir         \
  \$this_dir/jazzer_driver                                \
  --agent_path=\$this_dir/jazzer_agent_deploy.jar         \
  --cp=$RUNTIME_CLASSPATH                                 \
  --target_class=$fuzzer_basename                         \
  --jvm_args="\$mem_settings"                             \
  \$@" > $OUT/$fuzzer_basename

  chmod u+x $OUT/$fuzzer_basename
done
