#!/bin/bash

md5_source="2cp.md5"
md5_source_rm="2rm.md5"

md5_aim="aim.md5"


md5_aim_tmp="$(mktemp)"
cat "${md5_aim}" > $md5_aim_tmp
md5_source_tmp="$(mktemp)"
cat "${md5_source}" > $md5_source_tmp
echo "2cp file: '$md5_source_tmp'"

#wenn delete file exits -> handle deletons (importand for konflict handling
[ -f "${md5_source_rm}" ] && {
  cat "${md5_source_rm}"  | cut -c -32 | while read line; do
    sed -i "/$line/d" "${md5_aim_tmp}"
  done
  cat "${md5_source_rm}"  | cut -c 35- | while read line; do
    l=$(grep "  $line"$ "${md5_aim_tmp}")
    [ -n "$l" ] && {
      echo $l
      md5=$(echo $l | cut -c -32)
      sed -i "/$md5/d" "${md5_aim_tmp}"
    }
  done
}

#gleiche dateien anhand md5 aussortieren
cat "${md5_aim_tmp}" | cut -c -32 | while read line; do sed -i "/$line/d" "${md5_source_tmp}" ; done

#dateien die verschiedenen md5 haben aber bei beiden existieren als konflikte behandeln
echo Konflicts:
echo
cat "${md5_aim_tmp}" | cut -c 35- | while read line; do
  l=$(grep "  $line"$ "${md5_source_tmp}" | tee -a konflicts)
  [ -n "$l" ] && {
    echo $l
    md5=$(echo $l | cut -c -32)
    sed -i "/$md5/d" "${md5_source_tmp}"
  }
done