Add update script

dot_local/bin/executable_update-all

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+alias paru='paru --skipreview'
+alias zigup='zigup --install-dir "${HOME}/.local/share/zigup" --path-link "${HOME}/.local/bin/zig"'
+
+updates=$(checkupdates)
+aur_updates=$(paru -Qua)
+
+if [ "$updates" = "" ] && [ "$aur_updates" = "" ]; then
+  echo "System is already up to date."
+  exit 0
+fi
+
+river_has_update=$(echo "$aur_updates" | grep -c 'river-git')
+zls_has_update=$(echo "$aur_updates" | grep -c 'zls-git')
+
+if [ "$river_has_update" -ne 0 ] && [ "$zls_has_update" -ne 0 ]; then
+  zigup master
+  paru -Syu --exclude river-git
+  zigup 0.11.0
+  paru -S river-git
+  zigup master
+elif [ "$river_has_update" -ne 0 ]; then
+  zigup 0.11.0
+  paru -Syu
+  zigup master
+else
+  zigup master
+  paru -Syu
+fi