My bash profile config.

.bash_profile

#RVM
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"

function ruby_version {
   ruby -e '/(.*)\/(.*)/.match(`echo $GEM_HOME`);print ($2.nil? ?  "" : $2)'
}

function parse_git_branch {
 git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}

function proml {

   #colors
   local        BLUE="\[\033[0;34m\]"
   local         RED="\[\033[0;31m\]"
   local      YELLOW="\[\033[0;33m\]"
   local   LIGHT_RED="\[\033[1;31m\]"
   local       GREEN="\[\033[0;32m\]"
   local LIGHT_GREEN="\[\033[1;32m\]"
   local       WHITE="\[\033[1;37m\]"
   local  LIGHT_GRAY="\[\033[0;37m\]"

   #rvm - ruby@gemset
   local GEMSET_NAME=`rvm current`

   #git
   local BRANCH=`git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
   local STATUS=`git status 2>/dev/null`
   local GIT_PROMT=''

   #git.states
   local STATE=" "
   local PROMPT_COLOR=$YELLOW
   local NOTHING_TO_COMMIT="# Initial commit"
   local BEHIND="# Your branch is behind"
   local AHEAD="# Your branch is ahead"
   local UNTRACKED="# Untracked files"
   local DIVERGED="have diverged"
   local CHANGED="# Changed but not updated"
   local TO_BE_COMMITED="# Changes to be committed"
   local LOG=`git log -1 2> /dev/null`

   if [ "$STATUS" != "" ]; then
    if [[ "$STATUS" =~ "$NOTHING_TO_COMMIT" ]]; then
      PROMPT_COLOR=$LIGHT_RED
      STATE=""
    elif [[ "$STATUS" =~ "$DIVERGED" ]]; then
      PROMPT_COLOR=$LIGHT_RED
      STATE="${STATE}${RED}↕${NO_COLOR}"
    elif [[ "$STATUS" =~ "$BEHIND" ]]; then
      PROMPT_COLOR=$LIGHT_RED
      STATE="${STATE}${RED}↓${NO_COLOR}"
    elif [[ "$STATUS" =~ "$AHEAD" ]]; then
      PROMPT_COLOR=$LIGHT_RED
      STATE="${STATE}${RED}↑${NO_COLOR}"
    elif [[ "$STATUS" =~ "$CHANGED" ]]; then
      PROMPT_COLOR=$LIGHT_RED
      STATE=""
    elif [[ "$STATUS" =~ "$TO_BE_COMMITED" ]]; then
      PROMPT_COLOR=$LIGHT_RED
      STATE=""
    else
      PROMPT_COLOR=$YELLOW
      STATE=""
    fi
   fi

   if [[ "$BRANCH" != "" ]]; then
       GIT_PROMT="$PROMPT_COLOR{ $(parse_git_branch)$STATE }"
   fi

   PS1=" $LIGHT_RED\u::$GREEN[\w] $BLUE`ruby_version` $PROMPT_COLOR\$(parse_git_branch)$STATE $GREEN\$$WHITE\n⤷   "
   # PS1=" $LIGHT_RED\u::$GREEN[\w]"
   # PS1="$PS1 $BLUE`ruby_version`$PROMPT_COLOR "
   # PS1=$PS1'$(__git_ps1 "(%s)")'
   # PS1="$PS1 $STATE $GREEN\$$WHITE\n⤷   "
}

proml

cd() {
 builtin cd $*
 if [[ -s .rvmrc ]] ; then source .rvmrc ; fi
 proml
}

# mysql
export PATH=$PATH:/usr/local/mysql/bin
# export LD_LIBRARY_PATH=/usr/local/mysql/lib ldconfig
# postgres
# export PATH=${PATH}:/Library/PostgreSQL/9.0/bin
export RUBYOPT="-ropenssl"
# AMAZON
export MG_AWS_CERT=/Users/mauriciovoto/Web/projetos/mallguide-rails/doc/mallguide.pem
alias aws_app_prod="ssh -i $MG_AWS_CERT ubuntu@107.20.137.45"
alias aws_db_master="ssh -i $MG_AWS_CERT ubuntu@ec2-107-22-41-198.compute-1.amazonaws.com"
alias aws_db_mirror="ssh -i $MG_AWS_CERT ubuntu@ec2-107-22-107-40.compute-1.amazonaws.com"
alias aws_db_desenv="ssh -i $MG_AWS_CERT ubuntu@ec2-23-20-75-136.compute-1.amazonaws.com"
alias aws_app_desenv="ssh -i $MG_AWS_CERT ubuntu@50.19.241.93"
alias aws_app_jenkins="ssh -i $MG_AWS_CERT ubuntu@23.21.226.208"
alias aws_app_staging="ssh -i $MG_AWS_CERT ubuntu@23.21.219.255"

export JAVA_HOME=/usr
export EC2_HOME=/Users/mauriciovoto/Estudos/ec2-api-tools-1.5.2.3
export PATH=$PATH:$EC2_HOME/bin
export EC2_PRIVATE_KEY=/Users/mauriciovoto/Web/projetos/mallguide-rails/doc/pk-PMMUVCAP7CM4BJ4A4KY7DCSNDP7GZ7I4.pem
export EC2_CERT=/Users/mauriciovoto/Web/projetos/mallguide-rails/doc/cert-PMMUVCAP7CM4BJ4A4KY7DCSNDP7GZ7I4.pem

# Jenkins
export JENKINS_HOME=/Users/Shared/Jenkins/Home
export WAR_HOME=/Applications/Jenkins
alias start_jenkins="sudo java -jar $WAR_HOME/jenkins.war"

export CC=/usr/bin/gcc-4.2