2 files changed, 10 insertions, 10 deletions
diff --git a/README b/README
index 4384a3b..49ae434 100644
--- a/README
+++ b/README
@@ -57,7 +57,7 @@ nix-channel --add https://nixos.org/channels/nixos-unstable nixos
 nixos-rebuild switch --upgrade
 
 # later upgrades after flakes are enabled
-cd /etc/nixos && nix flake update && cd && nixos-rebuild switch --upgrade && echo && nixos-rebuild list-generations | cat && echo && nix store diff-closures $(find /nix/var/nix/profiles -iname system-\* -type l | sort | tail -2 | xargs)
+cd /etc/nixos && nix flake update && cd && nixos-rebuild switch --upgrade && echo && nixos-rebuild list-generations | cat && echo && res=$(find /nix/var/nix/profiles -iname system-\* -type l | sort | tail -2); if [[ $(echo -E "${res}" | wc -l) -eq 2 ]]; then echo "+ diff between $(echo -E "${res}" | xargs)\n"; nix store diff-closures $(echo -E "${res}" | xargs); fi
 
 # clean up all but the two most recent systems
 nixos-rebuild list-generations | cat
diff --git a/flake.lock b/flake.lock
index c89237a..56ff815 100644
--- a/flake.lock
+++ b/flake.lock
@@ -22,11 +22,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1711868868,
-        "narHash": "sha256-QpZanlbVu6Gb2K96u3vgu0F2BvZD74+fOsIFWcYEXoY=",
+        "lastModified": 1712093955,
+        "narHash": "sha256-94I0sXz6fiVBvUAk2tg6t3UpM5rOImj4JTSTNFbg64s=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "30f2ec39519f4f5a8a96af808c439e730c15aeab",
+        "rev": "80546b220e95a575c66c213af1b09fe255299438",
         "type": "github"
       },
       "original": {
@@ -37,11 +37,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1711873298,
-        "narHash": "sha256-m/zqoQqZDIdbBTfuyrzUrhK1rrnoe8x73V0bKK0jVKM=",
+        "lastModified": 1712168706,
+        "narHash": "sha256-XP24tOobf6GGElMd0ux90FEBalUtw6NkBSVh/RlA6ik=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "599937e03ee0306ee68ae6c1949b85aecfa6aaba",
+        "rev": "1487bdea619e4a7a53a4590c475deabb5a9d1bfb",
         "type": "github"
       },
       "original": {
@@ -53,11 +53,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1711703276,
-        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
+        "lastModified": 1712122226,
+        "narHash": "sha256-pmgwKs8Thu1WETMqCrWUm0CkN1nmCKX3b51+EXsAZyY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
+        "rev": "08b9151ed40350725eb40b1fe96b0b86304a654b",
         "type": "github"
       },
       "original": {