Update platform.sh

platform.sh

@@ -4,15 +4,36 @@ required_ruby="2.0.0-p247"
 required_bundle="Bundler version 1.3.5"
 required_gem="2.0.3"
 
-echo "required ruby   => $required_ruby"
-echo "required bundle => $required_bundle"
-echo "required gem    => $required_gem"
+if which rbenv > /dev/null; then
+    echo
+    echo "###########################################################################"
+    echo "### RBENV"
+    echo "rbenv         => $(which rbenv)"
+    echo "rbenv version => $(rbenv version)"
+    echo "rbenv ruby    => $(rbenv which ruby)"
+    echo "rbenv gem     => $(rbenv which gem)"
+    echo "rbenv bundle  => $(rbenv which bundle)"
+fi
 echo
-echo "current ruby   => $(ruby --version)"
-echo "current bundle => $(bundle --version)"
-echo "current gem    => $(gem --version)"
+echo "###########################################################################"
+echo "### Current shell (could be using rbenv)"
+echo "which ruby       => $(which ruby)"
+echo "ruby --version   => $(ruby --version)"
+echo "which gem        => $(which gem)"
+echo "gem --version    => $(gem --version)"
+echo "\$GEM_HOME        => $GEM_HOME"
+echo "which bundle     => $(which bundle)"
+echo "bundle --version => $(bundle --version)"
+echo "\$BUNDLE_PATH     => $BUNDLE_PATH"
 echo
-echo "If the current gem version is different from that required, try:"
+echo "###########################################################################"
+echo "### Required"
+echo "ruby --version   => $required_ruby"
+echo "bundle --version => $required_bundle"
+echo "gem --version    => $required_gem"
+echo
+echo "# Note: if the current gem version is different from that required, try:"
 echo "$ gem update --system $required_gem"
 echo "$ bundle install"
+echo