A shell script for creating a new gemset. The default gemset name is the current working directory but there is an optional parameter for creating a custom gemset name

newgemset.sh

#!/usr/bin/env bash

readonly rubyversion="1.9.3"

# Source RVM as a function into local environment.
if [[ -s "$HOME/.rvm/scripts/rvm" ]] ; then

  # First try to load from a user install
  source "$HOME/.rvm/scripts/rvm"

elif [[ -s "/usr/local/rvm/scripts/rvm" ]] ; then

  # Then try to load from a root install
  source "/usr/local/rvm/scripts/rvm"

else

  printf "ERROR: An RVM installation was not found.\n"
  exit;

fi

if [ "$#" -eq "0" ]
then

    name="${PWD##*/}"

else

    name="$1"

fi

rvm use $rubyversion
rvm gemset create $name
rvm use $rubyversion@$name
echo  "rvm use $rubyversion@$name" >> .rvmrc
rvm rvmrc trust
gem env gemdir