export TERMINFO=${PROFILE_HOME:-~}/.terminfo

# Cygwin MinTTY.
[ "$OS" = "Cygwin" -a "$TERM" = "xterm" ] && export TERM=putty-256color

# Check the terminal is valid.
while [ -z "$(tput longname 2>/dev/null)" ]; do
  case $TERM in
    xterm-256color) export TERM=xterm-88color;;
    xterm-88color) export TERM=xterm-color;;
    xterm-color) export TERM=xterm;;
    xterm) break;;
    *) export TERM=xterm-256color;;
  esac
done