#!/bin/sh
B=../../out/build

if [ ! -d "$B" ]; then
  echo "$B does not exist; build the software first." >&2
  exit 1
fi

startswith() {
  [ "$1" != "${1#"$2"}" ]
}

all_packages() {
  local stamp dir pkg
  (
    for stamp in $(cd $B && echo */.stamp_* */.configured); do
      dir=$(dirname $stamp)
      [ -L "$B/$dir" ] && continue
      pkg=${dir%%-[0-9]*}
      pkg=${pkg%%-HEAD}
      pkg=${pkg%%-master}
      pkg=${pkg%%-[svRr][0-9]*}
      startswith "$pkg" host- && continue
      echo "$pkg"
    done

    # Include all .jar files from SageTV
    for jar in $(cd $B/google_sageserver-HEAD/build/bruno && find -name '*.jar'); do
      echo "google_sageserver/$(basename "$jar")"
    done
  ) | sort | uniq
}

all_packages | while read pkg; do
  found=
  if [ "$pkg" != "${pkg#*/}" ]; then
    # contains a slash, it's a particular filename
    [ -e "licenses/$pkg" ] && found=1
  fi

  # it's probably just a package name, so match any file in that package.
  for d in licenses/$pkg/*; do
    [ -e "$d" ] && found=1 && break
  done
  [ -n "$found" ] || echo "$pkg"
done