My current .bash_profile with rbenv, homebrew, and git integration.

.bash_profile

export CLICOLOR=1
export LSCOLORS=GxFxCxDxBxegedabagaced

alias ls="ls -GFh"
alias be="bundle exec"

export PATH=/usr/local/bin:/usr/local/heroku/bin:$HOME/.rbenv/bin:$PATH

eval "$(rbenv init -)"

if [ -f $(brew --prefix)/etc/bash_completion ]; then
  . $(brew --prefix)/etc/bash_completion
fi

export PS1='\[\e[01;30m\]\t`if [ $? = 0 ]; then echo "\[\e[32m\] ✔ "; else echo "\[\e[31m\] ✘ "; fi`\[\e[00;37m\]\u\[\e[01;37m\]:`[[ $(git status 2> /dev/null) =~ Changes\ to\ be\ committed: ]] && echo "\[\e[33m\]" || echo "\[\e[31m\]"``[[ ! $(git status 2> /dev/null) =~ nothing\ to\ commit,\ working\ .+\ clean ]] || echo "\[\e[32m\]"`$(__git_ps1 "(%s)\[\e[00m\]")\[\e[01;34m\]\w\[\e[00m\]\$ '

# Git prompt features (read ~/.git-prompt.sh for reference)
export GIT_PS1_SHOWDIRTYSTATE="true"
export GIT_PS1_SHOWSTASHSTATE="true"
export GIT_PS1_SHOWUNTRACKEDFILES="true"
export GIT_PS1_SHOWUPSTREAM="auto"
export GIT_PS1_SHOWCOLORHINTS="true"

export LSCOLORS=GxFxCxDxBxegedabagaced

Wow! Didn't know about this, thanks!