# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.

#!/bin/sh

docker pull sathwik/docker-maven-gulp:latest

export JAVA_OPTS="-Xmx1024M -XX:MaxPermSize=512M"
MVN_ARGS="$@"
CONTAINER_USERNAME="dummy"
CONTAINER_GROUPNAME="dummy"
HOMEDIR="/home/$CONTAINER_USERNAME"
GROUP_ID=$(id -g)
USER_ID=$( id -u)

CREATE_USER_COMMAND="groupadd -f -g $GROUP_ID $CONTAINER_GROUPNAME \
    && useradd -u $USER_ID -g $CONTAINER_GROUPNAME $CONTAINER_USERNAME \
    && mkdir --parent $HOMEDIR \
    && chown -R $CONTAINER_USERNAME:$CONTAINER_GROUPNAME $HOMEDIR"

SU_USER="su $CONTAINER_USERNAME -c "

# A hack for frontend_maven_plugin to use node and npm binaries 
# installed in the docker container
FRONTEND_RM_COMMAND="$SU_USER 'rm -rf /workspace/node'"
FRONTEND_MK_COMMAND="$SU_USER 'mkdir -p /workspace/node' \
                  && $SU_USER 'ln -s /opt/node/bin/node /workspace/node/node' \
                  && $SU_USER 'ln -s /opt/node/bin/npm /workspace/node/npm' \
                  && $SU_USER 'ln -s /opt/node/lib/node_modules /workspace/node'"

MVN_COMMAND="$SU_USER 'mvn $MVN_ARGS'"

FINAL_COMMAND="$CREATE_USER_COMMAND \
                && $FRONTEND_RM_COMMAND \
                && $FRONTEND_MK_COMMAND \
                && $MVN_COMMAND \
                && $FRONTEND_RM_COMMAND"

docker run --rm \
    -e JAVA_OPTS \
    -v `pwd`:/workspace \
    -v $HOME/.m2:/home/dummy/.m2 \
    -v /tmp:/tmp \
    --entrypoint bash sathwik/docker-maven-gulp:latest -c "$FINAL_COMMAND"