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#!/bin/bash --

set -e

. /usr/share/javahelper/jh_lib.sh

syntax()
{
   echo "Usage: java-propose-classpath [-c<class> | <jars...>]"
   exit 1
}

dodepends()
{
   classes="$@"
   depends=
   for j in /usr/share/java/*.jar ; do
      if [ "$j" != "${SRC}" ] && [ -f "$j" ]; then
         if jar tf "$j" $classes | grep . >/dev/null; then
            depends="$depends $j"
         fi
      fi
   done

   echo -n "${SRC}: "
   realdepends=
   if [ -n "$depends" ]; then
      for j in $depends; do
         realdepends="$realdepends
`readlink -f "$j"`"
      done
   fi
   echo "$realdepends" | LC_ALL=C sort -biu | xargs
}

ARGS="c" parseargs "$@"

if [ "$ARGC" = "0" ] && [ -z "`getarg c`" ]; then
   syntax
fi

if [ -n "`getarg c`" ]; then

   export SRC=""
   dodepends `getarg c | sed 's,\.,/,g'`

else

   for (( i=0; i < "$ARGC"; i++ )); do
      JAR="`readlink -f "${ARGV[$i]}"`"

      TEMPDIR="`mktemp -d`"
      OLDDIR="`pwd`"
      cd "$TEMPDIR"
      jar xf "$JAR" >/dev/null

      classes="`find -name '*.class' -exec jcf-dump --print-constants java.lang.Object \{\} \; | grep 'Class name:' | cut -d'"' -f2| sed 's/\[\[*L\(.*\);/\1/;s/$/.class/' | LC_ALL=C sort -u | grep -v ^java[/\.]`"

      cd "$OLDDIR"
      rm -rf "$TEMPDIR"

      classes2=
      for j in $classes; do
         if [ ! -f $j ]; then
            classes2="$classes2 $j"
         fi
      done

      export SRC="${ARGV[$i]}"
      dodepends $classes2

   done
fi