#!/usr/bin/env bash

set -e
for link; do
  test -h "$link" || continue
  dir=$(dirname "$link")
  reltarget=$(readlink "$link")
  case $reltarget in
    /*) abstarget=$reltarget;;
    *)  abstarget=$dir/$reltarget;;
  esac
  rm -fv "$link"
  cp -afv "$abstarget" "$link" || {
    # Restore link on failure
    rm -rfv "$link"
    ln -sfv "$reltarget" "$link"
  }
done
