.git-prompt.sh

# Regular
txtblk='\e[0;30m' # Black
txtred='\e[0;31m' # Red
txtgrn='\e[0;32m' # Green
txtylw='\e[0;33m' # Yellow
txtblu='\e[0;34m' # Blue
txtpur='\e[0;35m' # Purple
txtcyn='\e[0;36m' # Cyan
txtwht='\e[0;37m' # White

# Bold
bldblk='\e[1;30m' # Black
bldred='\e[1;31m' # Red
bldgrn='\e[1;32m' # Green
bldylw='\e[1;33m' # Yellow
bldblu='\e[1;34m' # Blue
bldpur='\e[1;35m' # Purple
bldcyn='\e[1;36m' # Cyan
bldwht='\e[1;37m' # White

# Underline
unkblk='\e[4;30m' # Black
undred='\e[4;31m' # Red
undgrn='\e[4;32m' # Green
undylw='\e[4;33m' # Yellow
undblu='\e[4;34m' # Blue
undpur='\e[4;35m' # Purple
undcyn='\e[4;36m' # Cyan
undwht='\e[4;37m' # White

# Background
bakblk='\e[40m'   # Black
bakred='\e[41m'   # Red
bakgrn='\e[42m'   # Green
bakylw='\e[43m'   # Yellow
bakblu='\e[44m'   # Blue
bakpur='\e[45m'   # Purple
bakcyn='\e[46m'   # Cyan
bakwht='\e[47m'   # White
txtrst='\e[0m'    # Text Reset


find_git_branch() {
  # Based on: http://stackoverflow.com/a/13003854/170413
  local branch
  if branch=$(git rev-parse --abbrev-ref HEAD 2> /dev/null); then
    if [[ "$branch" == "HEAD" ]]; then
      branch='detached*'
    fi
    git_branch="($branch)"
  else
    git_branch=""
  fi
}

find_git_dirty() {
  local status=$(git status --porcelain 2> /dev/null)
  if [[ "$status" != "" ]]; then
    git_dirty='*'
  else
    git_dirty=''
  fi
}

PROMPT_COMMAND="find_git_branch; find_git_dirty; $PROMPT_COMMAND"

# Default Git enabled prompt with dirty state
# export PS1="\u@\h \w \[$txtcyn\]\$git_branch\[$txtred\]\$git_dirty\[$txtrst\]\$ "

# Another variant:
# export PS1="\[$bldgrn\]\u@\h\[$txtrst\] \w \[$bldylw\]\$git_branch\[$txtcyn\]\$git_dirty\[$txtrst\]\$ "

# Default Git enabled root prompt (for use with "sudo -s")
# export SUDO_PS1="\[$bakred\]\u@\h\[$txtrst\] \w\$ "