From: Daniel Hahler <git@thequod.de>
Date: Thu, 23 Apr 2015 12:39:36 +0000 (+0200)
Subject: Fix return value of _autoenv_source; use ': $(( .. ))'
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=8763a5b627a9b4d93e3fc3dd66a819d6b1bde582;hp=9a010cbdf6d58d7c82a7e5000a9b116735ec1764;p=zsh-autoenv.git

Fix return value of _autoenv_source; use ': $(( .. ))'

`(( foo++ ))` returns an error in case $foo is not defined.
---

diff --git a/autoenv.zsh b/autoenv.zsh
index 05ac0b7..1a01c07 100644
--- a/autoenv.zsh
+++ b/autoenv.zsh
@@ -238,9 +238,9 @@ _autoenv_source() {
   # Change to directory of env file, source it and cd back.
   local new_dir=$PWD
   _autoenv_debug "== SOURCE: ${bold_color:-}$env_file${reset_color:-}\n      PWD: $PWD"
-  (( _autoenv_debug_indent++ ))
+  : $(( _autoenv_debug_indent++ ))
   source $env_file
-  (( _autoenv_debug_indent-- ))
+  : $(( _autoenv_debug_indent-- ))
   _autoenv_debug "== END SOURCE =="
 
   if [[ $autoenv_event == enter ]]; then
@@ -337,7 +337,7 @@ _autoenv_chpwd_handler() {
 
   _autoenv_chpwd_prev_dir=$PWD
 
-  (( _autoenv_debug_indent++ ))
+  : $(( _autoenv_debug_indent++ ))
 }
 # }}}