hack to prevent multiple devtodo runs on chpwd

diff --git a/.zsh/zshrc/30_aliases b/.zsh/zshrc/30_aliases
index 19fdb7c9ae67798cbf6af5b2d7e5c12a1a66c69b..69087688319c6569fbcc2546f83bc3188d9a49aa 100644 (file)
--- a/.zsh/zshrc/30_aliases
+++ b/.zsh/zshrc/30_aliases
@@ -149,11 +149,11 @@ alias btd='btdownloadheadless'
 alias mdtest='swaks -s localhost -t'
 
 if whence devtodo >/dev/null; then
-  _devtodo_on_chpwd() { 
+  _devtodo_on_chpwd() {
     local out; out="$(devtodo)"
     [[ -n $out ]] && print "todo:\n$out"
   }
-  chpwd_functions+=_devtodo_on_chpwd
+  [[ -z ${(M)chpwd_functions:#_devtodo_on_chpwd} ]] && chpwd_functions+=_devtodo_on_chpwd
 fi
 
 # vim:ft=zsh