prompt.zsh

#!/usr/bin/env zsh

ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[blue]%}."
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"

ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[yellow]%}Δ%{$reset_color%} "
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[green]%}✓%{$reset_color%} "

ruby_ver() {
  echo "%{$fg[magenta]%}rb:$(chruby_auto; echo $RUBY_VERSION) "
}

python_ver() {
  # add `changeps1: False` to ~/.condarc to disable PS1 mutilation
  if [[ -n "$CONDA_ENV_PATH" ]]; then
      echo "%{$fg[green]%}conda:${CONDA_ENV_PATH##*\/} "
  else
      echo "%{$fg[green]%}py:$(python --version 2>&1 | cut -d' ' -f2) "
  fi
}

node_ver() {
  echo "%{$fg[cyan]%}node:$(node --version) "
}

setopt PROMPT_SUBST

function git_prompt_info() {
  if [[ "$(command git config --get prompt.hide-status 2>/dev/null)" != "1" ]]; then
    ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
    ref=$(command git rev-parse --short HEAD 2> /dev/null) || return 0
    echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/} $(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_SUFFIX"
  fi
}

parse_git_dirty() {
  local STATUS=''
  local FLAGS
  FLAGS=('--porcelain')
  if [[ "$(command git config --get prompt.hide-dirty)" != "1" ]]; then
    if [[ $POST_1_7_2_GIT -gt 0 ]]; then
      FLAGS+='--ignore-submodules=dirty'
    fi
     if [[ "$DISABLE_UNTRACKED_FILES_DIRTY" == "true" ]]; then
      FLAGS+='--untracked-files=no'
    fi
    STATUS=$(command git status ${FLAGS} 2> /dev/null | tail -n1)
  fi
  if [[ -n $STATUS ]]; then
    echo "$ZSH_THEME_GIT_PROMPT_DIRTY"
  else
    echo "$ZSH_THEME_GIT_PROMPT_CLEAN"
  fi
}

# PROMPT_ARROW="%(?.❯❯.%? ❯❯) "
# PROMPT_ARROW="%(?.%{$fg[green]%}❯❯.%{$fg[red]%}%? ❯❯) %{$reset_color%}"
PROMPT_ARROW="%(?..%{$fg[red]%}err: %? )%{$fg[cyan]%}❯❯ %{$reset_color%}"
# PROMPT_ARROW="%(?..err: %{$fg[red]%}%? )%{$fg[cyan]%}❯❯ %{$reset_color%}"
# PROMPT_LINE="%(?.%{$fg[green]%}.%{$fg[red]%})\$(printf %\${COLUMNS}s | tr ' ' '▬')
# ▌%{$reset_color%}"
PROMPT_LINE="%(?.%{$fg[green]%}.%{$fg[red]%})\$(printf %\${COLUMNS}s | tr ' ' '▬')%{$reset_color%}"
PROMPT_DIR="%~%{$reset_color%} "
# PROMPT_DIR="%c%{$reset_color%} "

export PROMPT="${PROMPT_LINE}
${PROMPT_DIR}\$(git_prompt_info)\$(python_ver)\$(node_ver)\$(ruby_ver)
${PROMPT_ARROW}"