fix duplicate entries in PATH; especially after executing reload command

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
+}

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"