My custom Oh My Zsh Theme.

ivan.zsh-theme

################################################################################
# Oh My Zsh Ivan Theme

# ------------------------------------------------------------------------------
# Constants

local _COLOR_BLUE="%{$fg[blue]%}"
local _COLOR_BLUE_BOLD="%{$fg_bold[blue]%}"
local _COLOR_CYAN="%{$fg[cyan]%}"
local _COLOR_CYAN_BOLD="%{$fg_bold[cyan]%}"
local _COLOR_GREEN="%{$fg[green]%}"
local _COLOR_GREEN_BOLD="%{$fg_bold[green]%}"
local _COLOR_GREY="%{$fg[grey]%}"
local _COLOR_GREY_BOLD="%{$fg_bold[grey]%}"
local _COLOR_MAGENTA="%{$fg[magenta]%}"
local _COLOR_MAGENTA_BOLD="%{$fg_bold[magenta]%}"
local _COLOR_RED="%{$fg[red]%}"
local _COLOR_RED_BOLD="%{$fg_bold[red]%}"
local _COLOR_RESET="%{$reset_color%}"
local _COLOR_YELLOW="%{$fg[yellow]%}"
local _COLOR_YELLOW_BOLD="%{$fg_bold[yellow]%}"

SPACER_CHARACTER="-"

# ------------------------------------------------------------------------------
# Helpers

local get_string_length() {
  local string=$1

  echo ${#string}
}

local print_spacer () {
  local start_string=$1
  local end_string=$2

  local merged_string="${1}${2}"
  local zero='%([BSUbfksu]|([FB]|){*})'
  local merged_string_length=${#${(S%%)merged_string//$~zero/}}
  local spacer_length=$((COLUMNS - merged_string_length - ${ZLE_RPROMPT_INDENT:-1} - 1))
  (( spacer_length > 0 )) || return

  printf "${SPACER_CHARACTER}%.0s" {1..$spacer_length}
}

local print_header () {
  local header_start="${_COLOR_CYAN}%~${_COLOR_RESET} ${_COLOR_YELLOW_BOLD}$(git_prompt_status)${_COLOR_RESET}"
  local header_end="$(git_prompt_info)"
  local header_end_length=`get_string_length $header_end`
  local header_space=`print_spacer $header_start $header_end`
  local header_space_length=`get_string_length $header_space`
  local git_branch=$(git_prompt_info)

  print
  if [[ $header_end_length -gt 0 ]]; then
    if [[ header_space_length -gt 0 ]]; then
      print -Pr "${header_start}${_COLOR_GREY}${header_space}${_COLOR_RESET} ${header_end}"
    else
      print -Pr "${header_start}${_COLOR_GREY}"
      print -Pr "${header_end}"
    fi
  else
    print -Pr "${header_start}${_COLOR_GREY}${header_space}${SPACER_CHARACTER}${_COLOR_RESET}"
  fi
}

# ------------------------------------------------------------------------------
# Git

ZSH_THEME_GIT_PROMPT_PREFIX="${_COLOR_BLUE_BOLD}[git:"
ZSH_THEME_GIT_PROMPT_SUFFIX="]${_COLOR_RESET}"

ZSH_THEME_GIT_PROMPT_CLEAN=""
ZSH_THEME_GIT_PROMPT_DIRTY=""

ZSH_THEME_GIT_PROMPT_ADDED="(✚) "
ZSH_THEME_GIT_PROMPT_DELETED="(✖) "
ZSH_THEME_GIT_PROMPT_MODIFIED="(✹) "
ZSH_THEME_GIT_PROMPT_RENAMED="(➜) "
ZSH_THEME_GIT_PROMPT_UNMERGED="(═) "
ZSH_THEME_GIT_PROMPT_UNTRACKED="(✭) "

# ------------------------------------------------------------------------------
# Template

local _BODY_START="${_COLOR_YELLOW_BOLD}➞${_COLOR_RESET}"
local _BODY_END="${_COLOR_GREEN}%D{%H:%M:%S}${_COLOR_RESET}"

setopt prompt_subst

PROMPT="${_BODY_START}  "
RPROMPT="${_BODY_END}"

# ------------------------------------------------------------------------------
# Load

autoload -U add-zsh-hook
add-zsh-hook precmd print_header