itg.red.zsh-theme

# itg.zsh-theme
# a designer developed zsh Prompt
# twitter: @itg
# https://github.com/itsthatguy/itg.zsh-theme

# Colors:
local black=235
local dark=008
local white=015
local yellow=003
local blue=038
local darker_blue=030
local darker_green=023
local red=160
local darker_red=124
local darkest_red=88


# COLOR LOVE
echo "REDEFINING COLORS"
printf '\e]4;160;rgb:F3/56/56\e\\\e[38;5;160m██ = RED\e[m\n'
printf '\e]4;124;rgb:CA/40/40\e\\\e[38;5;124m██ = DARKER_RED\e[m\n'
printf '\e]4;88;rgb:98/37/37\e\\\e[38;5;88m██ = DARKEST_RED\e[m\n'


# Extending the git library locally
function git_user_initials {
  MSG=$(git config --get user.initials || echo '✈')
  print $MSG
}

function git_is_dirty() {
  local SUBMODULE_SYNTAX=''
  if [[ $POST_1_7_2_GIT -gt 0 ]]; then
        SUBMODULE_SYNTAX="--ignore-submodules=dirty"
  fi
  if [[ -n $(git status -s ${SUBMODULE_SYNTAX}  2> /dev/null) ]]; then
    return 0
  else
    return 1
  fi
}

function itg_git_prompt_info() {
  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
  echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(parse_git_dirty)$(itg_git_prompt_ahead)$ZSH_THEME_GIT_PROMPT_SUFFIX"
}

function itg_git_prompt_ahead() {
  if $(echo "$(git log $(itg_git_current_upstream)/$(current_branch)..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
    echo "$ZSH_THEME_GIT_PROMPT_AHEAD"
  fi
}

function itg_git_current_upstream() {
  local upstream=$(git config --get branch."$(current_branch)".remote) || return
  echo $upstream
}

# Prompt builder functions
function itg_dir() {
  if git rev-parse --git-dir > /dev/null 2>&1 && [ ! -d .git ]; then
    git_dir_cdup=$(git rev-parse --show-cdup)
    git_dir_top=$(cd $git_dir_cdup; echo ${PWD##*/})
    git_dir_path=$(git rev-parse --show-prefix)
    dir="⭠ $git_dir_top/$git_dir_path"
  else
    if [ -d .git ]; then
      prefix="⭠ "
    else
      prefix=""
    fi
    dir="$prefix%1~"
  fi
  echo -n "%K{$red} %F{$black}$dir"
}

function itg_git() {
  # Is this a dirty git directory?
  # This check is done first to set colors
  if ($(git_is_dirty)); then
    git_status_color_k=$yellow
    git_status_color_f=$darkest_red
  else
    git_status_color_k=$darker_red
    git_status_color_f=$black
  fi

  # Is this a git directory?
  if git rev-parse --git-dir > /dev/null 2>&1; then
    git_prefix=" %K{$git_status_color_k}%F{$red}⮀ %F{$git_status_color_f}"
    git_suffix="%F{$git_status_color_k}⮀"
    git_status=$(itg_git_prompt_info)
  else
    git_prefix=""
    git_suffix="%F{$red}⮀"
    git_status=""
  fi

  echo -e "$git_prefix$git_status %K{$darkest_red}$git_suffix"
}

function itg_pair() {
  echo " %F{$yellow}$(git_user_initials) %k%F{$darkest_red}⮀%f"
}

function itg_rvm() {
  echo -e "%F{$dark}⮂%K{$dark}%F{$white} $(rvm_prompt_info) %k"
}

function itg_wrap_right() {
  echo -e "%F{$dark}⮂%K{$dark}%F{$white} $* %k"
}

function itg_host() {
  item=$(itg_wrap_right %m)
  echo -e "${item}"
}

ZSH_THEME_GIT_PROMPT_PREFIX=''
ZSH_THEME_GIT_PROMPT_SUFFIX=''
ZSH_THEME_GIT_PROMPT_DIRTY='%F{$darkest_red} ✍'
ZSH_THEME_GIT_PROMPT_CLEAN=''

ZSH_THEME_GIT_PROMPT_AHEAD="↑"
ZSH_THEME_GIT_PROMPT_BEHIND="↓"
ZSH_THEME_GIT_PROMPT_DIVERGED="↕"

# command to make sure the prompt reruns the functions on new prompt
function precmd {
  PROMPT="
$(itg_dir)$(itg_git)$(itg_pair) "
  RPROMPT="$(itg_host)"
}