path: root/home/.bashrc.d/prompt.sh

function __prompt_command() {
    local exit="$?"
    PS1=""
    # set title for terminal emulators
    PS1+="\\[\\e]0;\\u@\\h: \\w\\a\\]"

    local red='\[\e[31m\]'
    local green='\[\e[32m\]'
    local yellow='\[\e[33m\]'
    local light_blue='\[\e[94m\]'
    local reset='\[\e[0m\]'

    PS1+="╭"

    PS1+="${light_blue}\\w${reset}"

    ### Add Git Status
    ## Inspired by http://www.terminally-incoherent.com/blog/2013/01/14/whats-in-your-bash-prompt/
    if [[ $(command -v git) ]]; then
        local git_status
        if git_status="$(git status --porcelain=2 2>/dev/null)"; then
            if [[ -z $git_status ]]; then
                git_color="${green}"
            else
                git_color="${yellow}"
            fi
            local git_branch
            git_branch="$(git status --porcelain=2 --branch 2>/dev/null \
                            | sed --quiet 's/# branch.head //p' - )"
            PS1+=" ${git_color}[${git_branch}]${reset}"
        fi
    fi

    if [ "$exit" -ne 0 ]; then
        PS1+=" ${red}(exit $exit)${reset}"
    fi

    PS1+="\\n╰\$ ${reset}"
}

export PROMPT_COMMAND=__prompt_command