Watson Bash Prompt

watson_prompt.bash

# Add this to your ~/.provile or ~/.bashrc depending on your system
# 
# watson directory (require watson >= 1.3)
# This value is the default on MacOSX
WATSON_DIR="$HOME/Library/Application Support/watson"

watson_status() {
    # colors taken from git-aware-prompt
    # https://github.com/jimeh/git-aware-prompt
    local txtred="$(tput setaf 1 2>/dev/null || echo '\e[0;31m')"  # Red
    local txtgrn="$(tput setaf 2 2>/dev/null || echo '\e[0;32m')"  # Green
    local txtrst="$(tput sgr 0 2>/dev/null || echo '\e[0m')"  # Text Reset

    # Started
    local status="$txtgrn"

    # Stopped
    if [[ $(cat "$WATSON_DIR/state") == '{}' ]]; then
        status="$txtred"
    fi
    echo -e "$status""◉""$txtrst"
}

# Add watson_status call to your prompt
PS1="\[\$(watson_status)\] \u@\h"

Here is an example result of watson status in your prompt: