oh-my-theme-v2.zsh-theme

SEGMENT_SEPARATOR_LEFT="\ue0b0"
PRIM_PROMP_COLOR="blue"
ERR_PROMP_COLOR="red"
PROMP_FORMAT="%2c"

function __spacer_left() {
  bg="%{$bg[$1]%}"
  fg="%{$fg[$2]%}"

  print -n "$bg$fg$SEGMENT_SEPARATOR_LEFT"
}

function __prompter() {
  bg="%{$bg[$2]%}"
  fg="%{$fg_bold[$3]%}"

  print -n "$bg$fg $1 %{$reset_color%}"
}

function __errorer() {
  if [[ $? -ne 0 ]]; then
    print -n "$(__prompter ! $ERR_PROMP_COLOR white)$(__spacer_left $1 $ERR_PROMP_COLOR)"
  fi
}

function __parse_node_version() {
  (command node -v | sed -e 's/v//g') 2>/dev/null;
}

function __get_node_version() {
  print -n "%{$fg_bold[green]%}N%{$reset_color%}:$(__parse_node_version)%{$reset_color%}"
}

function __parse_git_dirty() {
  if command git diff-index --quiet HEAD 2> /dev/null; then
    if [[ $(git rev-list @{u}.. 2> /dev/null) ]]; then
      print -n "%{$fg[yellow]%}$(__git_custom_status)%{$reset_color%}"
    else
      print -n "%{$fg[green]%}$(__git_custom_status)%{$reset_color%}"
    fi
  else
    print -n "%{$fg[red]%}$(__git_custom_status)%{$reset_color%}"
  fi
}

function __parse_git_branch() {
  (command git symbolic-ref -q HEAD || command git name-rev --name-only --no-undefined --always HEAD) 2>/dev/null
}

function __git_custom_status() {
  local git_where="$(__parse_git_branch)"
  [ -n "$git_where" ] && print -n "${git_where#(refs/heads/|tags/)}%{$reset_color%} |"
}

function __mstime() {
  perl -MTime::HiRes -e 'printf("%.0f\n",Time::HiRes::time()*1000)'
}

function preexec() {
  TIMER=$(__mstime)
}

function precmd() {
  export PROMPT='$(__errorer $PRIM_PROMP_COLOR)$(__prompter $PROMP_FORMAT $PRIM_PROMP_COLOR black)$(__spacer_left none $PRIM_PROMP_COLOR) '

  if [[ $TIMER -ne 0 ]]; then
    timer_show=$(($(__mstime) - $TIMER))
    t="%F{cyan}${timer_show}ms%{$reset_color%} | "
    unset TIMER
  else
    unset t
  fi

  export RPROMPT='$(__parse_git_dirty) $t$(__get_node_version)'
}