adding .rvmrc file to automatically set ruby version and gemset name in rvm environments

Author: mjgiarlo

.rvmrc

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+# This is an RVM Project .rvmrc file, used to automatically load the ruby
+# development environment upon cd'ing into the directory
+
+# First we specify our desired <ruby>[@<gemset>], the @gemset name is optional.
+environment_id="ruby-1.9.3-p125@noid"
+rubygems_version="1.8.23"
+
+# Install rubies when used instead of only displaying a warning and exiting
+rvm_install_on_use_flag=1
+
+#
+# Uncomment following line if you want options to be set only for given project.
+#
+# PROJECT_JRUBY_OPTS=( --1.9 )
+
+#
+# First we attempt to load the desired environment directly from the environment
+# file. This is very fast and efficient compared to running through the entire
+# CLI and selector. If you want feedback on which environment was used then
+# insert the word 'use' after --create as this triggers verbose mode.
+#
+if [[ -d "${rvm_path:-$HOME/.rvm}/environments" \
+  && -s "${rvm_path:-$HOME/.rvm}/environments/$environment_id" ]] ; then
+  \. "${rvm_path:-$HOME/.rvm}/environments/$environment_id"
+
+  if [[ -s "${rvm_path:-$HOME/.rvm}/hooks/after_use" ]]; then
+    . "${rvm_path:-$HOME/.rvm}/hooks/after_use"
+  fi
+else
+  # If the environment file has not yet been created, use the RVM CLI to select.
+  if ! rvm --create  "$environment_id"; then
+    echo "Failed to create RVM environment '${environment_id}'."
+    exit 1
+  fi
+fi
+
+#
+# If you use an RVM gemset file to install a list of gems (*.gems), you can have
+# it be automatically loaded. Uncomment the following and adjust the filename if
+# necessary.
+#
+# filename=".gems"
+# if [[ -s "$filename" ]] ; then
+#   rvm gemset import "$filename" | grep -v already | grep -v listed | grep -v complete | sed '/^$/d'
+# fi
+
+# Use the specified rubygems_version
+if [[ -n "${rubygems_version}" && ("$(gem --version)" != ${rubygems_version}) ]] ; then
+  rvm rubygems "${rubygems_version}"
+fi
+
+# Ensure that Bundler is installed, install it if it is not.
+if ! (command -v bundle > /dev/null) ; then
+  printf "The rubygem 'bundler' is not installed, installing it now.\n"
+  gem install bundler
+fi
+