[ZSH] Fix autopull

zsh/.zshrc

@@ -6,16 +6,14 @@
 [[ -f ~/.zsh/.virtual_env_config.zsh ]] && source ~/.zsh/.virtual_env_config.zsh
 [[ -f ~/.zsh/.local_config ]] && source ~/.zsh/.local_config
 
-function update_dotfiles () {
-cd ~/dotfiles
-sleep 120
-fetch=$(git fetch)
-if [[ -n "$fetch" ]]; then 
-    git pull || echo "git pull of dotfiles failed, please see log."
+update_dotfiles() {
+    cd ~/dotfiles || return
+    if git fetch --dry-run 2>&1 | grep -q .; then
+        git pull > /dev/null 2>&1
     fi
 }
 
-update_dotfiles &|
+update_dotfiles 2>&1 &!
 
 # Load Antidote
 mkdir -p ${ZDOTDIR:-~}/.cache/zsh