Bootstrap Mac shell with my bash prompt and git tab completion

.bootstrap_git

echo "Downloading tab completion to ~/.tab_completion_git"
curl -s "https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash" > ~/.tab_completion_git

echo "Downloading bash prompt to ~/.bash_prompt"
curl -s "https://gist.githubusercontent.com/alanmquach/31d9088cf7f4126c59d1/raw/5ce769a35513a98997e5dda32b259e9ac3ece0a1/.bash_prompt" > ~/.bash_prompt

echo "Adding .tab_completion_git, .bash_prompt to .bash_profile"
echo 'for file in ~/.{tab_completion_git,bash_prompt}; do [ -r "$file" ] && [ -f "$file" ] && source "$file"; done' >> ~/.bash_profile
echo 'export BASH_PROFILE_SOURCED=true' >> ~/.bash_profile

if [ -s ~/.bashrc ]; then
  source ~/.bashrc
  if [ ! "${BASH_PROFILE_SOURCED}" == "true" ]; then
    echo "Adding .bash_profile to .bashrc"
    echo '[ -s ~/.bash_profile ] && source ~/.bash_profile' >> .bashrc
  else 
    echo "Looks like .bashrc already sources .bash_profile"
  fi
else
  echo "Adding .bash_profile from .bashrc"
  echo '[ -s ~/.bash_profile ] && source ~/.bash_profile' >> .bashrc
fi

echo "All done! New terminal sessions will have a git prompt and git tab completion."