bash-rw-indicator

# emonPi bash RW / RO prompt
# Thanks to Andy Taylor: https://community.openenergymonitor.org/t/increase-emonsd-pre-built-sd-card-to-8gb-min/1730/12?u=glyn.hudson
# Add the end of /etc/bash.bashrc

set_bash_prompt(){
    fs_mode=$(mount | sed -n -e "s/^\/dev\/mmcblk0p2 on \/ .*(\(r[w|o]\).*/\1/p")

    if [ $(id -u) -eq 0 ];
      then
        PS1='\[\033[01;31m\]\u@\h${fs_mode:+($fs_mode)}\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
      else
        PS1='\[\033[01;32m\]\u@\h${fs_mode:+($fs_mode)}\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
    fi
}

# setup fancy prompt
PROMPT_COMMAND=set_bash_prompt