pkgs/grow-last-partition-and-filesystem: Automatically move GPT backup header to end of device

flake.lock

@@ -666,11 +666,11 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1758035966,
-        "narHash": "sha256-qqIJ3yxPiB0ZQTT9//nFGQYn8X/PBoJbofA7hRKZnmE=",
+        "lastModified": 1753549186,
+        "narHash": "sha256-Znl7rzuxKg/Mdm6AhimcKynM7V3YeNDIcLjBuoBcmNs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8d4ddb19d03c65a36ad8d189d001dc32ffb0306b",
+        "rev": "17f6bd177404d6d43017595c5264756764444ab8",
         "type": "github"
       },
       "original": {

pkgs/grow-last-partition-and-filesystem/default.nix

@@ -10,6 +10,7 @@ writeShellApplication {
   text = builtins.readFile ./grow-last-partition-and-filesystem.sh;
   runtimeInputs = [
     e2fsprogs
+    gptfdisk
     jq
     parted
   ];

pkgs/grow-last-partition-and-filesystem/grow-last-partition-and-filesystem.sh

@@ -11,6 +11,9 @@ fi
 
 DEVICE="$1"
 
+echo "Move GTP backup header to end of disk"
+sgdisk "${DEVICE}" --move-second-header
+
 PARTITIONDATA="$(parted --script --json --fix "${DEVICE}" print)"
 PARTNUMBER="$(echo "${PARTITIONDATA}" | jq -r '.disk.partitions | last | .number')"
 PARTNAME="$(echo "${PARTITIONDATA}" | jq -r '.disk.partitions | last | .name')"