lxc-bash-prompt.sh

# Bash prompt for LXC prompty detection
#
# Author: Andrej Vitez <contact@andrejvitez.com>
#
# Add this file to your homedir .bash_profile file or create a new one under
# /etc/profile.d/lxc.sh
#
# This script will add LXC tag to your PS prompt to hint user that is using lxc container.

# Skip all for noninteractive shells.
[ ! -t 0 ] && return

export CLICOLOR=1
export LSCOLORS=Gxfxcxdxbxegedabagacad

function get_lxc_env() {
  LXC_TAG=$(cat /etc/lxc_tag)
  if grep lxc /proc/1/environ &> /dev/null; then
    if [[ ! -z "$LXC_TAG" ]]; then
       LXC_TAG=":$LXC_TAG"
    fi
    echo -e "[lxc$LXC_TAG] "
  fi
}

PSLINE='\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$'
PS1="\$(get_lxc_env)$PSLINE "