Add Travis status to prompt, given travis command exists

robbyrussell-with-travis.zsh-theme.bash

local ret_status="%(?:%{$fg_bold[green]%}➜ :%{$fg_bold[red]%}➜ )"
PROMPT='${ret_status} %{$fg[cyan]%}%c%{$reset_color%}$(travis_status)$(git_prompt_info)'

function travis_status_dir {
  GIT_ROOT=`git rev-parse --show-toplevel`
  echo "${GIT_ROOT}/tmp/.travis"
}

function travis_status_file {
  GIT_SHA=`git rev-parse HEAD`
  DIR=`travis_status_dir`
  echo "${DIR}/${GIT_SHA}.status"
}

function git_root {
  echo `git rev-parse --show-toplevel`
}

function travis_status {
  GIT_ROOT=`git_root`
  if [ ! -f "${GIT_ROOT}/.travis.yml" ]; then
    return
  fi

  if [ ! -d `travis_status_dir` ]; then
    mkdir `travis_status_dir`
  fi

  if [ ! -f `travis_status_file` ]; then
    save_travis_status &>/dev/null &
    echo " \u25CB"
  else
    TRAVIS_FILE=`travis_status_file`
    RESULT=`tail -1 ${TRAVIS_FILE}`

    if [ "$RESULT" != "passed" ] && [ "$RESULT" != "failed" ] && [ "$RESULT" != "waiting" ]; then
      save_travis_status &>/dev/null &
    fi

    if [ "$RESULT" = "passed" ]; then
      echo " \e[32m\u25CF\e[0m"
    elif [ "$RESULT" = "started" ]; then
      echo " \e[33m\u25CF\e[0m"
    elif [ "$RESULT" = "failed" ]; then
      echo " \e[31m\u25CF\e[0m"
    elif [ "$RESULT" = "waiting" ]; then
      echo " \e[33m\u25CB\e[0m"
    else
      echo " \e[33m${RESULT}\e[0m"
    fi
  fi
}

function save_travis_status {
  TRAVIS_FILE=`travis_status_file`
  LINE_COUNT=`wc -l ${TRAVIS_FILE}`
  if [[ LINE_COUNT -lt 2 ]]; then 
    echo "waiting" >> `travis_status_file`
  fi
  echo `travis status`  >> `travis_status_file`
}
ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[blue]%} git:(%{$fg[red]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[blue]%}) %{$fg[yellow]%}✗"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[blue]%})"