My theme for Oh My Bash - https://github.com/ohmybash/oh-my-bash

mytheme.sh

# Set term to 256color mode, if 256color is not supported, colors won't work properly
if [[ $COLORTERM = gnome-* && $TERM = xterm ]] && infocmp gnome-256color >/dev/null 2>&1; then
  export TERM=gnome-256color
elif infocmp xterm-256color >/dev/null 2>&1; then
  export TERM=xterm-256color
fi


# Define custom colors we need
# non-printable bytes in PS1 need to be contained within \[ \].
# Otherwise, bash will count them in the length of the prompt
function set_custom_colors() {
  light_red="\[$(tput setaf 160)\]"
  light_green="\[$(tput setaf 40)\]"
}

# Initialize custom colors
set_custom_colors


#! bash oh-my-bash.module
SCM_THEME_PROMPT_DIRTY=" ${light_red}✗"
SCM_THEME_PROMPT_CLEAN=" ${light_green}✔"
SCM_THEME_PROMPT_PREFIX=" "
SCM_THEME_PROMPT_SUFFIX="${_omb_prompt_green}"
SCM_GIT_SHOW_MINIMAL_INFO="true"

GIT_THEME_PROMPT_DIRTY=" ${light_red}✗"
GIT_THEME_PROMPT_CLEAN=" ${light_green}✔"
GIT_THEME_PROMPT_PREFIX=" ${_omb_prompt_green}"
GIT_THEME_PROMPT_SUFFIX="${_omb_prompt_green}"

# Nicely formatted terminal prompt
function _omb_theme_PROMPT_COMMAND(){
  PS1="\n${_omb_prompt_bold_gray}${_omb_prompt_navy}\@${_omb_prompt_bold_gray} "
  PS1+="${_omb_prompt_bold_gray}${_omb_prompt_green}\u${_omb_prompt_olive} "
  PS1+="${_omb_prompt_bold_gray}${_omb_prompt_purple}\w${_omb_prompt_bold_gray}"
  PS1+="$(scm_prompt_info)\n${_omb_prompt_reset_color}▶ "
}

_omb_util_add_prompt_command _omb_theme_PROMPT_COMMAND