Update flake, add modified nixswitch script nixupdate to update flake and rebuild

home/scripts/nixupdate

@@ -0,0 +1,36 @@
+
+#!/usr/bin/env bash
+#
+# NixOS update and rebuild script
+#
+# original by 0atman: https://gist.github.com/0atman/1a5133b842f929ba4c1e195ee67599d5
+
+set -e
+
+pushd ~/nix-config
+
+nix flake update
+
+if git diff --quiet; then
+    echo "No changes detected, exiting."
+    popd
+    exit 0
+fi
+
+alejandra . &>/dev/null \
+    || ( alejandra . ; echo "formatting failed!" && exit 1)
+
+git diff -U0
+
+echo "NixOS rebuilding..."
+
+sudo nixos-rebuild switch --flake . &>nixos-switch.log \
+    || (cat nixos-switch.log | grep --color error && exit 1)
+
+current=$(nixos-rebuild list-generations | grep current)
+
+git commit -am "$current"
+
+popd
+
+notify-send -e "NixOS Rebuilt OK!" --icon=software-update-available