Cleaned up the plugins.

plugins/ruby/ruby.plugin.zsh

@@ -14,3 +14,40 @@ if [[ "$OSTYPE" == darwin* ]]; then
   unset cache_file
 fi
 
+# Loads RVM into the shell session.
+completion_file="${0:h}/_rvm"
+if [[ ! -e "$completion_file" ]] && [[ -L "$completion_file" ]]; then
+  unlink "$completion_file" 2> /dev/null
+fi
+
+if [[ -s "$HOME/.rvm/scripts/rvm" ]]; then
+  # Auto adding variable-stored paths to ~ list conflicts with RVM.
+  unsetopt auto_name_dirs
+
+  # Source RVM.
+  source "$HOME/.rvm/scripts/rvm"
+
+  # Complete RVM.
+  if [[ ! -e "$completion_file" ]]; then
+    ln -s \
+      "$rvm_path/scripts/zsh/Completion/_rvm" \
+      "$completion_file" \
+      2> /dev/null
+  fi
+fi
+unset completion_file
+
+# Loads rbenv into the shell session.
+if [[ -s "$HOME/.rbenv/bin/rbenv" ]]; then
+  path=("$HOME/.rbenv/bin" $path)
+  eval "$(rbenv init -)"
+fi
+
+# Set environment variables for launchd processes.
+if [[ "$OSTYPE" == darwin* ]]; then
+  for env_var in GEM_PATH GEM_HOME; do
+    launchctl setenv "$env_var" "${(P)env_var}" &!
+  done
+  unset env_var
+fi
+