#! /bin/bash
set -ex
repos=$1
shift
d=$1
shift
for pkg in "$@";do
  t=/tmp/dtneeded.$$
  rm -rf $t
  mkdir $t
  cd $t
  if ! dnf --disablerepo='*' --enablerepo=$repos download $pkg;then
    echo $pkg >>$d/error-dnf
    continue
  fi
  if ! test -e $pkg.rpm;then
    echo $pkg >>$d/error-e
    continue
  fi
  rpm2archive $pkg.rpm
  rm -f $pkg.rpm
  tar xzf $pkg.rpm.tgz
  rm -f $pkg.rpm.tgz
  find -type f|while read -r i;do
    llvm-readelf --dynamic-table $i >xxx 2>/dev/null || :
    if test -s xxx;then
      mkdir -p $d/`dirname $i`
      mv -f xxx $d/$i
    fi
  done
  rm -rf $t
done