#!/bin/bash
%
    if [[ $REBUILD == "init" ]]; then 
      echo "## Busting Cache, Forcing Rebuild $(date)"
    fi
%
quiet () {
 if [[ $VERBOSE ]]; then $@; fi  
}
quiet echo -e "\n ************************************************* \n" 
quiet echo "****** Initializing Image with build source ******" 
cd init 
pwd; quiet ls -la
export BUILDING=true
export BUILD_DIR=$PWD
export SHELL=/bin/bash
export BIN_DIR=/opt/bin 
mkdir -p $BIN_DIR
echo "export BIN_DIR=${BIN_DIR}" >> /tmp/profile
echo 'export PATH=$BIN_DIR:$PATH' >> /tmp/profile

echo " ##### creating entrypoint script ###"
cat << EOE >$BIN_DIR/entrypoint
.INCLUDE ./init/entrypoint.tpl
EOE
chmod +x $BIN_DIR/entrypoint
quiet echo '------ default entrypoint -----' 
quiet ls -la $BIN_DIR/entrypoint 
quiet cat $BIN_DIR/entrypoint
quiet echo "------------"

echo " ##### creating default start script ###"
cat << "EOS" >$BIN_DIR/start
.INCLUDE ./init/start.sh
EOS
chmod -R +x $BIN_DIR/start
quiet echo "--- DEFAULT START SCRIPT in $BIN_DIR/start ---"
quiet cat $BIN_DIR/start
quiet echo "-----------------------------------"

echo " ##### creating map host id script ###"
cat << "EOM" >$BIN_DIR/map-host-id
.INCLUDE ./init/map-host-id.sh
EOM
chmod +x $BIN_DIR/map-host-id

[[ -f image.info ]] && cp image.info /opt

.INCLUDE ./init/dirs.sh

if [[ -f build.env ]]; then
    echo "-- sourcing /build/build.env --" 
    quiet ls -la
    quiet cat build.env
    quiet echo "----------------------"
    source build.env
fi    

if [[ -f ./init.sh ]]; then
    echo "############## Running Script init.sh of build source #################"
    quiet echo "----- build environment ------"
    quiet env
    quiet echo "----- env ------"   
    quiet echo "-------------------- init.sh ------------------------------"
    quiet cat ./init.sh    
    quiet echo "-------------------------------------------------------------"
    # init.sh must have shebang and be executable
    if ! $SHELL ./init.sh; then return 1; fi
    echo "############## Finished running init.sh build script #########################"
fi

.INCLUDE ./init/profile.sh

echo "****** creating user and group 'host' with ids 1000 *****"
groupadd -g 1000 host
useradd -r -g host -u 1000 host
# map host id now based on build environment
if [[ $VOLUME_DIRS ]]; then
    echo "*** creating and configuring volume directories ***"
    echo $VOLUME_DIRS
    mkdir -p $VOLUME_DIRS 
    $BIN_DIR/map-host-id 
    chmod -R g+rw $VOLUME_DIRS 
fi

echo -e "\n *************  End Initialzation ************************"