#! /bin/bash

function minibuild () {

basedir=$1

src=`cat "${basedir}/build.properties" | grep 'source..' | cut -d'=' -f2 | tr ' ' '\0'`

output=`cat "${basedir}/build.properties" | grep 'output..' | cut -d'=' -f2 | tr ' ' '\0'`

bName=`cat "${basedir}/META-INF/MANIFEST.MF" | grep 'Bundle-SymbolicName:' | sed 's/Bundle-SymbolicName: \([a-zA-Z0-9_.-]*\)\(;\)\?.*/\1/'`

artifactId=`cat "${basedir}/pom.xml" | sed '/<parent>/,/<\/parent>/ d' | grep "<artifactId>" | sed 's/.*<artifactId>\(.*\)<\/artifactId>.*/\1/'`

version=`cat "${basedir}/pom.xml" | grep "<version>" | sed 's/.*<version>\(.*\)<\/version>.*/\1/'`

# External (System) dependencies

if [ $# -eq 3 ]; then

  mkdir -p "${basedir}/target/externalDeps"

  copyBundles $3 "${basedir}/target/externalDeps"

else

  mkdir -p "${basedir}/target"

fi

mkdir -p "${basedir}/${output}"

# Compile

cp=

if [ $# -gt 1 ]; then

  cp='-classpath '$2':'"${basedir}"'/target/externalDeps/*'

fi

javac -d "${basedir}/${output}" \

  $(for file in `find "${basedir}/${src}" -name "*.java"`; \

    do echo -n "${file} "; \

  done;) \

  ${cp}

# Package

pushd ${basedir}

pushd ${output}

classfiles=`for file in $(find . -name "*.class"); do echo -n ' -C '${output} ${file} ; done;`

popd

packagefiles="${classfiles}"

[ -e about.html ] && packagefiles="about.html $packagefiles"

[ -e plugin.properties ] && packagefiles="plugin.properties $packagefiles"

[ -e plugin.xml ] && packagefiles="plugin.xml $packagefiles"

[ -e OSGI-INF ] && packagefiles="OSGI-INF $packagefiles"

jar -cfmv "target/${bName}-${version}.jar" 'META-INF/MANIFEST.MF' ${packagefiles}

popd

# Install

loc=".m2/org/eclipse/tycho/${artifactId}/${version}"

mkdir -p ${loc}

cp "${basedir}/target/${bName}-${version}.jar" ${loc}

cp "${basedir}/pom.xml" "${loc}/${bName}-${version}.pom"

}

function copyBundles () {

# scls='scl1 scl2 scl3'

baseLocations=( '/usr/share/java' '/usr/lib/java' '/usr/lib*/eclipse' )

osgiLocations=(${baseLocations[@]} ${osgiLocations[@]} )

for scl in ${scls} ; do

  osgiLocations=( ${baseLocations[@]/#//opt/rh/${scl}/root} ${osgiLocations[@]} )

done

if [ ${eclipse_bootstrap} -eq 1 ]; then

prefix="$(pwd)/bootstrap"

osgiLocations=( ${osgiLocations[@]/#/${prefix}} )

osgiLocations+=( ${osgiLocations[@]/${prefix}/} )

osgiLocations=( ${prefix}/extras ${osgiLocations[@]} )

fi

wantedBundles=`echo $1 | tr ',' ' '`

destDir=$2

for loc in ${osgiLocations[@]} ; do

  for jar in `find ${loc} -name "*.jar" 2>/dev/null`; do

    bsn=`readBSN ${jar}`

    if [ -n "${bsn}" ]; then

      versionline=`unzip -p ${jar} 'META-INF/MANIFEST.MF' | grep 'Bundle-Version:'`

      vers=`echo "${versionline}" | sed 's/Bundle-Version: \([a-zA-Z0-9_.-]*\).*/\1/'`

      if echo ${wantedBundles} | grep "${bsn}" ; then

        cp ${jar} "${destDir}/${bsn}_${vers}.jar"

        wantedBundles=`removeFromList "${wantedBundles}" "${bsn}"`

      fi

    fi

  done

done

}

function symlinkBundles () {

# Bootstrap Built Tycho provides some Eclipse bundles

# Prevent non-bootstrap build's de-bundling from symlinking to them

# SCL priority is from right to left.

# scls='scl1 scl2 scl3'

baseLocations=( '/usr/share/java/eclipse' '/usr/share/java' '/usr/lib/java' )

osgiLocations=(${baseLocations[@]} ${osgiLocations[@]} )

for scl in ${scls} ; do

  osgiLocations=( ${baseLocations[@]/#//opt/rh/${scl}/root} ${osgiLocations[@]} )

done

wantedBundles=`echo $1 | tr ',' ' '`

for loc in ${osgiLocations[@]} ; do

  for jar in `find ${loc} -name "*.jar" 2>/dev/null`; do

    bsn=`readBSN ${jar}`

    if [ -n "${bsn}" ]; then

      echo ${wantedBundles} | grep -q "${bsn}"

      if [ $? -eq 0 ]; then

        ln -s ${jar} "${bsn}.jar"

        wantedBundles=`removeFromList "${wantedBundles}" "${bsn}"`

      fi

    fi

  done

done

}

function removeFromList () {

arr=( ${1} )

for (( i=0; i < ${#arr[@]}; i++ )); do

  if [ "${arr[${i}]}" = "$2" ]; then

    arr[${i}]=

  fi

done

echo ${arr[@]}

}

function isolateProject () {

sed -i "/<artifactId>org.eclipse.osgi<\/artifactId>/ a <version>${osgiV}</version>" "$1/pom.xml"

sed -i "/<artifactId>org.eclipse.osgi.compatibility.state<\/artifactId>/ a <version>${osgiV}</version>" "$1/pom.xml"

cp $1/pom.xml $1/pom.xml.bak

sed -i '/<parent>/,/<\/parent>/ d' "$1/pom.xml"

if [ $# -eq 2 ]; then

  sed -i "/<modelVersion>/ a <groupId>org.eclipse.tycho<\/groupId><version>$2<\/version>" "$1/pom.xml"

else

  sed -i "/<modelVersion>/ a <groupId>org.eclipse.tycho<\/groupId><version>${v}<\/version>" "$1/pom.xml"

fi

}

function unifyProject () {

cp $1/pom.xml.bak $1/pom.xml

sed -i "/<version>${osgiV}<\/version>/ d" "$1/pom.xml"

}

function readBSN () {

bsn=

manEntryPat="^[a-zA-Z-]*:"

foundBSNLine=0

while read line; do

if [ ${foundBSNLine} -eq 1 ]; then

  echo ${line} | grep -qE ${manEntryPat}

  if [ $? -eq 0 ]; then

    break

  else

    bsn=${bsn}"`echo ${line} | sed 's/\([a-zA-Z0-9_.-]*\)\(;\)\?.*/\1/'`"

  fi

fi

echo ${line} | grep -q "Bundle-SymbolicName:"

if [ $? -eq 0 ]; then

  bsn=`echo ${line} | grep 'Bundle-SymbolicName:' | sed 's/Bundle-SymbolicName: \([a-zA-Z0-9_.-]*\)\(;\)\?.*/\1/'`

  echo ${line} | grep "Bundle-SymbolicName:" | grep -q ";"

  if [ $? -eq 0 ]; then

    break

  fi

  foundBSNLine=1

fi

done < <(unzip -p $1 'META-INF/MANIFEST.MF')

echo ${bsn}

}