Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

/var/lib/dpkg/info/teamviewer.preinst

 #!/bin/bash
# cf. pretrans (RPM)

function RenameOldDirs()
{
  MoveDir    '/opt/teamviewer/config'   || return 1
  MoveDir    '/opt/teamviewer/logfiles' || return 1
  RemoveLink '/etc/teamviewer'          || return 1
}

function MoveDir()
{
  local name="$1"
  local newName="$name.old"
  local cntName="$newName"
  local cnt=0

  [ -h "$name" ] && return 0
  [ -d "$name" ] || return 0

  if [ -e "$newName" ]; then
    while [ -e "$cntName" ] ; do
      cntName="$newName$((++cnt))"
    done
    mv "$newName" "$cntName" || return 1
  fi

  mv "$name" "$newName" || return 1
}

function RemoveLink()
{
  local name="$1"
  [ -h "$name" ] || return 0

  rm "$name"
}

RenameOldDirs