if [ ! -z "$SUDO_USER" ]; then
  export P4USER=$SUDO_USER
  export P4TICKETS=/tmp/.p4tickets.$SUDO_USER
else
  export P4USER=$USER
fi
export P4CONFIG=.p4config
export P4DIFF="diff -u"
if [ -e "$HOME/.vim/script/p4" ]; then
  export P4EDITOR="vim -S '$HOME/.vim/script/p4'"
else
  export P4EDITOR=vim
fi
if [ -z "$DISPLAY" ]; then
  export P4MERGE="vim -o -c '3wincmd j' -c 'wincmd L'"
else
  export P4MERGE="p4merge"
fi