Zsh: move tmux lauch to it's own configuration file and make it the

first one executed

home/.config/zsh/08-pacman.zsh

@@ -0,0 +1,17 @@
+# from https://wiki.archlinux.org/index.php/Zsh#On-demand_rehash
+
+zshcache_time="$(date +%s%N)"
+
+autoload -Uz add-zsh-hook
+
+rehash_precmd() {
+    if [[ -e /var/cache/zsh/pacman ]]; then
+        local paccache_time="$(date -r /var/cache/zsh/pacman +%s%N)"
+        if ((zshcache_time < paccache_time)); then
+            rehash
+            zshcache_time="$paccache_time"
+        fi
+    fi
+}
+
+add-zsh-hook -Uz precmd rehash_precmd