From 780d1a5a08589afa051271bbe6c74c1f2e05c368 Mon Sep 17 00:00:00 2001
From: Mathias Fredriksson <mafredri@gmail.com>
Date: Thu, 25 Aug 2016 18:59:34 +0300
Subject: [PATCH] Prevent parameter expansion in preprompt

By unsetting `prompt_subst` for the `prompt_pure_preprompt_render`
function we can avoid e.g. git branch names with a `$`-sign to be
expanded as parameters.

Fixes #224 and #225 (as a result of 6cbd49a).
---
 pure.zsh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pure.zsh b/pure.zsh
index b0ecfbf..1db1813 100644
--- a/pure.zsh
+++ b/pure.zsh
@@ -123,6 +123,9 @@ prompt_pure_string_length_to_var() {
 }
 
 prompt_pure_preprompt_render() {
+	# make sure prompt_subst is unset to prevent parameter expansion in prompt
+	setopt local_options no_prompt_subst
+
 	# check that no command is currently running, the preprompt will otherwise be rendered in the wrong place
 	[[ -n ${prompt_pure_cmd_timestamp+x} && "$1" != "precmd" ]] && return