From 600d1c62deb6bbf0b4b8c82095e8075942e0eb0c Mon Sep 17 00:00:00 2001
From: Ivan Povalyukhin <ipovalyukhin@yammer-inc.com>
Date: Tue, 19 May 2015 18:12:54 -0700
Subject: [PATCH] fix duplicate entries in PATH; especially after executing
 reload command

---
 lib/helpers.bash                   | 9 +++++++++
 plugins/available/node.plugin.bash | 6 ++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/lib/helpers.bash b/lib/helpers.bash
index 9c4c4dbc..56abccbf 100644
--- a/lib/helpers.bash
+++ b/lib/helpers.bash
@@ -361,3 +361,12 @@ all_groups ()
     cat $file | sort | uniq
     rm $file
 }
+
+function __append_uniq_path() {
+  declare -r new_path="${PATH}:${1}";
+  if [[ $(echo $new_path | tr ":" "\n" | sort | uniq -d) != *"${1}"* ]]; then
+    export PATH="${PATH}:${1}";
+  else
+    return 1;
+  fi
+}
diff --git a/plugins/available/node.plugin.bash b/plugins/available/node.plugin.bash
index 06b158e7..9cc7b6ce 100644
--- a/plugins/available/node.plugin.bash
+++ b/plugins/available/node.plugin.bash
@@ -1,9 +1,7 @@
 cite about-plugin
 about-plugin 'Node.js helper functions'
 
-export PATH=./node_modules/.bin:$PATH
+__append_uniq_path './node_modules/.bin'
 
 # Make sure the global npm prefix is on the path
-[[ `which npm` ]] && export PATH=$(npm config get prefix)/bin:$PATH
-
-
+[[ `which npm` ]] && __append_uniq_path "$(npm config get prefix)/bin"