Relies on oh-my-fish (https://github.com/bpinto/oh-my-fish) and virtualfish (https://github.com/adambrenecki/virtualfish)

config.fish

# paths
set fish_path $HOME/.oh-my-fish

set -x PATH /usr/local/bin /usr/local/share/npm/bin /usr/local/sbin ~/bin /usr/local/pear/bin $PATH
set -x DYLD_LIBRARY_PATH /usr/local/mysql/lib $DYLD_LIBRARY_PATH
set -x GHI_TOKEN "REDACTED"
set -x PYTHONPATH /usr/local/lib/python2.7/site-packages $PYTHONPATH

# Because of some bullshit in the listing feed
set -x STATSD_PORT 1
set -x SG_ENV dev

set -x LOLCOMMITS_DEVICE "FaceTime HD Camera (Built-in)"

# Theme
# ENV vars
set fish_theme robbyrussell
set VIRTUALFISH_HOME $HOME/virtualenvs
set VIRTUALFISH_COMPAT_ALIASES true

# Aliases
alias git=hub
alias python='python -tt'
alias ls='ls -laGh'
alias tower=gittower
alias composer='php /usr/local/bin/composer.phar'
alias pipr='pip install -r requirements.txt --upgrade'

# Which plugins would you like to load? (plugins can be found in ~/.oh-my-fish/plugins/*)
# Custom plugins may be added to ~/.oh-my-fish/custom/plugins/
# Example format: set fish_plugins autojump git
set fish_plugins git brew autojump

# Path to your custom folder (default path is $FISH/custom)
#set fish_custom $HOME/dotfiles/oh-my-fish

# Load oh-my-fish cofiguration.
. $fish_path/oh-my-fish.fish
. $HOME/.config/fish/virtualfish.fish

# RBENV
set PATH $HOME/.rbenv/bin $PATH
set PATH $HOME/.rbenv/shims $PATH
rbenv rehash >/dev/null ^&1

function rbenv_shell
  set -l vers $argv[1]

  switch "$vers"
    case '--complete'
      echo '--unset'
      echo 'system'
      exec rbenv-versions --bare
      return
    case '--unset'
      set -e RBENV_VERSION
      return 1
    case ''
      if [ -z "$RBENV_VERSION" ]
        echo "rbenv: no shell-specific version configured" >&2
        return 1
      else
        echo "$RBENV_VERSION"
        return
      end
    case '*'
      rbenv prefix "$vers" > /dev/null
      set -g -x RBENV_VERSION "$vers"
  end
end

function rbenv
  set -l command $argv[1]
  [ (count $argv) -gt 1 ]; and set -l args $argv[2..-1]

  switch $command
    case shell
      rbenv_shell $args
    case '*'
      command rbenv $command $args
  end
end