Change update/upgrade functions.

zsh/aliases.zsh

@@ -18,9 +18,14 @@ if [ $(command -v fd) ]; then
 fi
 
 function ud() {
-  wd dots
-  git pull
-  git submodule update -f
+  wd dots && git pull
+  for i in $XDG_DATA_HOME/repos/zsh_modules/*; do cd $i && git pull; done; cd
   vim -c "PlugUpdate" -c "PlugClean" -c "q" -c "q"
   rm -rf ~/go
 }
+function upgrade() {
+  case $(lsb_release -i | awk '{print $3}') in
+    Gentoo) eix-sync && eix-update && emerge -avuDU @world ;;
+    VoidLinux) xbps-install -Su && xbps-remove -RoO ;;
+  esac
+}