dougTheme2 - bash version

doug2.theme.sh

#!/usr/bin/env bash
#
# One line prompt showing the following configurable information
# for git:
# time (virtual_env) username@hostname pwd git_char|git_branch git_dirty_status|→
#
# The → arrow shows the exit status of the last command:
# - bold green: 0 exit status
# - bold red: non-zero exit status
#
# Example outside git repo:
# 07:45:05 user@host ~ →
#
# Example inside clean git repo:
# 07:45:05 user@host .oh-my-bash ±|master|→
#
# Example inside dirty git repo:
# 07:45:05 user@host .oh-my-bash ±|master ✗|→
#
# Example with virtual environment:
# 07:45:05 (venv) user@host ~ →
#

GREEN=$(tput setaf 190)
PURPLE=$(tput setaf 141)

SCM_NONE_CHAR=''
SCM_THEME_PROMPT_DIRTY=" ${red}✗"
SCM_THEME_PROMPT_CLEAN=""
SCM_THEME_PROMPT_PREFIX="${PURPLE}|"
SCM_THEME_PROMPT_SUFFIX="${PURPLE}|"
SCM_GIT_SHOW_MINIMAL_INFO=true

CLOCK_THEME_PROMPT_PREFIX=''
CLOCK_THEME_PROMPT_SUFFIX=' '
THEME_SHOW_CLOCK=true
THEME_CLOCK_COLOR=${THEME_CLOCK_COLOR:-"$blue"}
THEME_CLOCK_FORMAT=${THEME_CLOCK_FORMAT:-"%I:%M:%S"}

VIRTUALENV_THEME_PROMPT_PREFIX='('
VIRTUALENV_THEME_PROMPT_SUFFIX=') '


parse_git_dirty () {                                                                                                                                                                                       [[ $(git status 2> /dev/null | tail -n1 | cut -c 1-17) != "nothing to commit" ]] && echo "*"
}


parse_git_branch () {                                                                                                                                                                                   
   git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/\1$(parse_git_dirty)/"                                                                                                          
}

function prompt_command() {
    # This needs to be first to save last command return code
    local RC="$?"

    hostname="${blue}\u@\h"
    virtualenv="${GREEN}$(virtualenv_prompt)"

    # Set return status color
    if [[ ${RC} == 0 ]]; then
        ret_status="${green}"
    else
        ret_status="${bold_red}"
    fi

    # Append new history lines to history file
    history -a

        PS1="$(clock_prompt)${virtualenv}\n${hostname} ${yellow}\W $(scm_prompt_char_info)${ret_status}→ ${normal}"
}

safe_append_prompt_command prompt_command