#! /bin/sh
set -e

sdk=$1'-sdk'
repo=$1

echo Building system local p2 repository... >&2

eclipse=$(rpm --eval '%{_libdir}')/eclipse

datadir=/usr/share/eclipse
javadir=/usr/share/java
jnidir=/usr/lib/java

launcher="/usr/lib*/eclipse/plugins/org.eclipse.equinox.launcher_*.jar"
if [ ! -e ${launcher} ]; then
  launcher="$(pwd)/tycho-bundles/tycho-bundles-external/target/eclipse/plugins/org.eclipse.equinox.launcher_*.jar"
fi

trap "rm -rf $sdk" 0
mkdir -p $sdk/plugins $sdk/features
pushd $sdk >/dev/null

      (cd $eclipse;
	ls -d plugins/* features/* 2>/dev/null) |
      while read f; do
         [ ! -e $f ] && ln -s $eclipse/$f $f
      done
      (cd $eclipse/dropins; ls -d * 2>/dev/null) |
      while read f; do
	  if [ -e $eclipse/dropins/$f/eclipse ]; then
	      (cd $eclipse/dropins/$f/eclipse;
				ls -d plugins/* features/* 2>/dev/null) |
	      while read g; do
		  [ ! -e $g ] && \
		    ln -s $eclipse/dropins/$f/eclipse/$g $g
	      done
          else
	      (cd $eclipse/dropins/$f;
				ls -d plugins/* features/* 2>/dev/null) |
	      while read g; do
	          [ ! -e $g ] && \
		    ln -s $eclipse/dropins/$f/$g $g
	      done
          fi
      done
      (cd $datadir/dropins; ls -d * 2>/dev/null) |
      while read f; do
	  if [ -e $datadir/dropins/$f/eclipse ]; then
	      (cd $datadir/dropins/$f/eclipse;
				ls -d plugins/* features/* 2>/dev/null) |
	      while read g; do
		  [ ! -e $g ] && \
		    ln -s $datadir/dropins/$f/eclipse/$g $g
	      done
          else
	      (cd $datadir/dropins/$f;
				ls -d plugins/* features/* 2>/dev/null) |
	      while read g; do
	          [ ! -e $g ] && \
		    ln -s $datadir/dropins/$f/$g $g
	      done
          fi
      done

for p in $(ls -d $eclipse/dropins/jdt/plugins/*); do
    plugin=$(basename $p)
    [ ! -e plugins/$plugin ] && ln -s $eclipse/dropins/jdt/plugins/$plugin plugins/$plugin
done
for f in $(ls -d $eclipse/dropins/jdt/features/*); do
    feature=$(basename $f)
    [ ! -e features/$feature ] && ln -s $eclipse/dropins/jdt/features/$feature features/$feature
done
for p in $(ls -d $eclipse/dropins/sdk/plugins/*); do
    plugin=$(basename $p)
    [ ! -e plugins/$plugin ] && ln -s $eclipse/dropins/sdk/plugins/$plugin plugins/$plugin
done
for f in $(ls -d $eclipse/dropins/sdk/features/*); do
    feature=$(basename $f)
    [ ! -e features/$feature ] && ln -s $eclipse/dropins/sdk/features/$feature features/$feature
done

# jars in %%{_javadir} may not be uniquely named
id=1
for p in $(find $javadir $jnidir -name "*.jar"); do
    if unzip -p $p 'META-INF/MANIFEST.MF' | grep -q 'Bundle-SymbolicName'; then
        plugin=${id}-$(basename $p)
        [ ! -e plugins/$plugin ] && ln -s $p plugins/$plugin
        id=$((${id} + 1))
    fi
done

popd >/dev/null

(set -x
java -jar ${launcher} -nosplash -application org.eclipse.equinox.p2.publisher.FeaturesAndBundlesPublisher \
-metadataRepository file:$repo \
-artifactRepository file:$repo \
-source $sdk \
-compress -append -publishArtifacts)

# In debugging mode dump contents of local p2 repo
if [ x"$2" = x-X ]; then
    echo === begin local p2 repo dump ===
    find $repo -name \*.jar
    echo === end local p2 repo dump ===
fi