Oh-My-Zsh主题、插件安装与配置
local return_code="%(?..%{$fg[red]%}%? ↵%{$reset_color%})"
if [[ $UID -eq 0 ]]; then
local user_host='%{$terminfo[bold]$fg[red]%}%n'
local user_symbol='#'
else
local user_host='%{$terminfo[bold]$fg[green]%}%n'
local user_symbol='$'
fi
local current_dir='%{$terminfo[bold]$fg[blue]%}%~ %{$reset_color%}'
local git_branch='$(git_prompt_info)'
local rvm_ruby='$(ruby_prompt_info)'
local venv_prompt='$(virtualenv_prompt_info)'
ZSH_THEME_RVM_PROMPT_OPTIONS="i v g"
# ======================== 开始修改 ========================
if true; then
# ==============1.双行显示，退出码放在第一行
PROMPT="[%D{%y/%m/%d} %D{%H:%M:%S} %B${user_host}%b] ${current_dir}${rvm_ruby}${git_branch}${venv_prompt} %B${return_code}%b
"
# 退出码
RPROMPT=""
else
# ==============2.单行显示，退出码在最后
PROMPT="%{$terminfo[bold]$fg[blue]%}%D{%H:%M:%S} ${user_host} ${current_dir}${rvm_ruby}${git_branch}${venv_prompt}"
RPROMPT="%B${return_code}%b"
fi
# ======================== 结束修改 ========================
ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[yellow]%}‹"
ZSH_THEME_GIT_PROMPT_SUFFIX="› %{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[red]%}●%{$fg[yellow]%}"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[yellow]%}"
ZSH_THEME_HG_PROMPT_PREFIX="$ZSH_THEME_GIT_PROMPT_PREFIX"
ZSH_THEME_HG_PROMPT_SUFFIX="$ZSH_THEME_GIT_PROMPT_SUFFIX"
ZSH_THEME_HG_PROMPT_DIRTY="$ZSH_THEME_GIT_PROMPT_DIRTY"
ZSH_THEME_HG_PROMPT_CLEAN="$ZSH_THEME_GIT_PROMPT_CLEAN"
ZSH_THEME_RUBY_PROMPT_PREFIX="%{$fg[red]%}‹"
ZSH_THEME_RUBY_PROMPT_SUFFIX="› %{$reset_color%}"
ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX="%{$fg[green]%}‹"
ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX="› %{$reset_color%}"
ZSH_THEME_VIRTUALENV_PREFIX="$ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX"
ZSH_THEME_VIRTUALENV_SUFFIX="$ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX"