fix coreupdate

coreupdate

@@ -28,8 +28,21 @@ mkdir -p "$COREDESKTOP/updates.d"
 sudo cp "$COREDESKTOP/coreupdate" ~/.local/bin/coreupdate
 sudo cp "$COREDESKTOP/corerefresh" ~/.local/bin/corerefresh
 
+if [[ -z "$COREUPDATE_REEXECED" ]]; then
+    export COREUPDATE_REEXECED=1
+    exec ~/.local/bin/coreupdate
+fi
+
 for plugin in "$COREDESKTOP/updates.d/"*.sh; do
-    [ -f "$plugin" ] && source "$plugin"
+    if [ -f "$plugin" ]; then
+        unset -f is_installed run_update
+        source "$plugin"
+        if declare -f run_update > /dev/null; then
+            if ! declare -f is_installed > /dev/null || is_installed; then
+                run_update
+            fi
+        fi
+    fi
 done
 
 echo "Done."