gistfile1.txt

#   Set the shell format to:
#     /path/to/pwd (git branch) $ <input>

RED="\[\033[0;31m\]"
GREEN="\[\033[0;32m\]"
PURPLE="\[\033[0;34m\]"
YELLOW="\[\033[1;33m\]"
PINK="\[\033[0;35m\]"
CYAN="\[\033[0;36m\]"
WHITE="\[\033[1;37m\]"
NORM="\[\033[0m\]"

PATH_COLOR=$PINK
BRANCH_COLOR=$CYAN
BRANCH_STATE_COLOR=$RED
REPOSITORY_REMOTE_COLOR=$RED
PROMPT_COLOR=$GREEN

# parse_git_branch() {
#   branch=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/\1/"`
#   if [ -n "$branch" ]
#   then
#     echo "($branch) "
#   fi
# }

parse_git_status(){
  [ -d .git ] && echo $(git status 2> /dev/null)
}

git_branch_opening_paren() {
  [ -d .git ] && echo " ("
}

git_branch_closing_paren() {
  [ -d .git ] && echo ")"
}

parse_git_branch() {
  [ -d .git ] || return 1
  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
  echo ${ref#refs/heads/}
}

parse_git_remote_status() {
    [ -d .git ] || return 1
    git_status=$(parse_git_status)
    remote_pattern="# Your branch is (.*) of"
    diverge_pattern="# Your branch and (.*) have diverged"
    if [[ ${git_status} =~ ${remote_pattern} ]]; then
      if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
        echo " ↑"
      else
        echo " ↓"
      fi
    else
      if [[ ${git_status} =~ ${diverge_pattern} ]]; then
        echo " ↕"
      fi
    fi
}

parse_git_state() {
    [ -d .git ] || return 1
    if [[ ! $(parse_git_status) =~ "working directory clean" ]]; then
      echo " *"
    fi
}

# export PS1="\w\$(parse_git_branch) ➡  "

PS1="\n$PATH_COLOR\w$BRANCH_COLOR\$(git_branch_opening_paren)\$(parse_git_branch)$BRANCH_STATE_COLOR\$(parse_git_state)$REPOSITORY_REMOTE_COLOR\$(parse_git_remote_status)$BRANCH_COLOR\$(git_branch_closing_paren) $PROMPT_COLOR\$$NORM "