Script to show a bug with maven dependency plugin

maven_copy_dep_bug.sh

#!/usr/bin/env bash

# demonstrate a bug in maven dependency:copy-dependencies
# if useRepositoryLayout, copy-dependencies won't copy over the poms
# if the directory already exists

COPY=$(readlink -f _maven_bug_copy_dir)
rm -rf ${COPY}
rm -rf _maven_bug_commons-math

git clone https://github.com/apache/commons-math.git _maven_bug_commons-math
cd _maven_bug_commons-math

DEP_CD=org.apache.maven.plugins:maven-dependency-plugin:2.10

# copy only the jars
mvn -fn \
        ${DEP_CD}:copy-dependencies \
        -DoutputDirectory=${COPY} \
        -Dmdep.useRepositoryLayout=true \

# now get the poms too!
mvn -fn \
        ${DEP_CD}:copy-dependencies \
        -DoutputDirectory=${COPY} \
        -Dmdep.copyPom=true \
# overWriteReleases will fix the problem
#        -DoverWriteReleases=true \
        -Dmdep.useRepositoryLayout=true \

# where is the pom?
ls ${COPY}/junit/junit/4.11/*.pom
exit $?