From ca8080a5d6530185c66a4bc343a5dfc93f8bea25 Mon Sep 17 00:00:00 2001
From: Anton Kuroedov <atk91v@ya.ru>
Date: Sun, 10 Jul 2016 19:45:45 +0300
Subject: [PATCH] Fixes #5217

---
 themes/agnoster.zsh-theme | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/themes/agnoster.zsh-theme b/themes/agnoster.zsh-theme
index 103041eef..6aa484760 100644
--- a/themes/agnoster.zsh-theme
+++ b/themes/agnoster.zsh-theme
@@ -128,6 +128,10 @@ prompt_git() {
 }
 
 prompt_hg() {
+  which hg > /dev/null 2>&1
+  if [[ $? -ne 0 ]]; then
+    return
+  fi
   local rev status
   if $(hg id >/dev/null 2>&1); then
     if $(hg prompt >/dev/null 2>&1); then