Bash Git Prompt

bash-git-prompt.sh

#!/bin/bash

PROMPT_DIRTRIM=2
#        RED="\[\033[0;31m\]"
YELLOW="\[\033[1;33m\]"
GREEN="\[\033[0;32m\]"
#       BLUE="\[\033[0;34m\]"
# LIGHT_BLUE="\[\033[1;34m\]"
LIGHT_RED="\[\033[1;31m\]"
LIGHT_GREEN="\[\033[1;32m\]"
WHITE="\[\033[1;37m\]"
#  DARK_GRAY="\[\033[1;30m\]"
# LIGHT_GRAY="\[\033[0;37m\]"
# LIGHT_CYAN="\[\033[1;36m\]"
#       CYAN="\[\033[0;36m\]"
#     PURPLE="\[\033[0;35m\]"
#      BROWN="\[\033[0;33m\]"
#LIGHT_PURPLE="\[\033[1;35m\]"
#      BLACK="\[\033[0;30m\]"
COLOR_NONE="\[\033[0m\]"

function set_git_branch() {
    this_branch="$(git branch 2>/dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/')"
    if test -z "$this_branch"; then
        PROMPT_BRANCH=""
    else
        PROMPT_BRANCH="${YELLOW}${this_branch}${COLOR_NONE} "
    fi
}

function set_prompt_symbol() {
    if test "$1" -eq 0; then
        PROMPT_SYMBOL="${LIGHT_GREEN}\$${COLOR_NONE} "
    else
        PROMPT_SYMBOL="${LIGHT_RED}\$${COLOR_NONE} "
    fi
}

function set_user_line() {
    PROMPT_USER_LINE="$(date '+%T') ${GREEN}\u${COLOR_NONE} "
}

function set_bash_prompt() {
    set_prompt_symbol $?
    set_user_line
    set_git_branch
    PS1="${PROMPT_USER_LINE}${WHITE}\w${COLOR_NONE} ${PROMPT_BRANCH}${PROMPT_SYMBOL}"
}

PROMPT_COMMAND=set_bash_prompt