add default rbenv_prompt_info implementation to close #878
Diff
1diff --git a/lib/rbenv.zsh b/lib/rbenv.zsh
2new file mode 100644
3index 0000000000000000000000000000000000000000..a8b6c323ccae4f9bbe3f4955e258b88463b14e60
4--- /dev/null
5+++ b/lib/rbenv.zsh
6@@ -0,0 +1,2 @@
7+# using the rbenv plugin will override this with a real implementation
8+function rbenv_prompt_info() {}