File obsgendiff of Package release-compare

#!/bin/bash

out=/.build.packages/obsgendiff
outreleased=/.build.packages/obsgendiff.released

echo "Running obsgendiff data differ..."

# extract released obsgendiff aggregates
for obsgendiff in /.build.packages/SOURCES/*.obsgendiff; do
  [ -e "$obsgendiff" ] || continue
  mkdir -p "${outreleased}"
  tar xfv "$obsgendiff" -C "${outreleased}"
done

# create changelogs based on the packaged rpms
mkdir -p $out/{changelogs,disturl}
for packages in /.build.packages/KIWI/*.packages; do
  cat "$packages" | while read line; do
    IFS='|' read -r -a a <<< "$line"
    name="${a[0]}"
    rpm="${name}.rpm"

    # only the worker knows where it was downloaded from....
    file=`find /.build.packages/SOURCES/repos/ -name $rpm`
    rpm -qp "$file" --changelog 2>/dev/null > $out/changelogs/${name}
    rpm -qp "$file" --qf '%{DISTURL}\n' 2>/dev/null > $out/disturl/${name}
  done

  # create archive
  cd $out
  gendiff=${packages%.packages}.obsgendiff
  tar cfJ /.build.packages/OTHER/${gendiff##*/} *
  cd -
done

# create diff to released archive
# NOTE: it had to be published or it won't exist
if [ -d "${outreleased}" ]; then
  diff -urN "${outreleased}/" "$out/" > /.build.packages/OTHER/changelog.diff
fi

exit 0