Bash prompt with exit status, dotfiles git status, git status, and job status.

prompt.sh

# Using this file, you prompt looks something like this:
# <exit status> <username color coded with dotfiles git status> <cwd> <git branch or rev-name> <job status> $
# 💙 andre ~/src/bundler/bundler v1.3.0.pre.2~13 👥 $

BLUE='\001\033[0;34m\002'
CYAN='\001\033[0;36m\002'
GREEN='\001\033[0;32m\002'
YELLOW='\001\033[0;33m\002'
RESET='\001\033[0m\002'

function status_color {
  if [[ "$1" != *"nothing to commit"* ]]; then
    printf $YELLOW
  elif [[ "$1" == *"Your branch is ahead of"* ]]; then
    printf $CYAN
  else
    printf $GREEN
  fi
}

function exit_status {
  if [[ $? -eq 0 ]]; then
    printf "💙 "
  else
    printf "💔 "
  fi
}

function dotfiles_status_colorize {
  local dotfiles="$HOME/src/indirect/dotfiles"
  status_color "$(git --git-dir=$dotfiles/.git --work-tree=$dotfiles status 2> /dev/null)"
  printf $1
  printf $RESET
}

function git_status {
  # Check the status and bail if git failed
  local status=$(git status 2> /dev/null) exited=$?
  if [[ $exited -ne 0 ]]; then return 1; fi

  # Get a human-friendly reference for this commit
  local name=$(git symbolic-ref -q HEAD)
  if [[ -n "$name" ]]; then
    name="${b#refs/heads/}"
  else
    name=$(git name-rev --name-only --no-undefined --always HEAD)
    name="${name#tags/}"
    name="${name#remotes/}"
  fi

  status_color $status
  printf "$name "
  printf $RESET
}

function job_status {
  [[ $1 -gt 0 ]] && printf "👥  "
}

# Set the prompt to "~/Sites/monkeys master $ "
export PS1="\$(exit_status) \$(dotfiles_status_colorize \u) $BLUE\w \$(git_status)\$(job_status \j)$BLUE\$$RESET "