From 6505511f2e6b43a37570fc840f6d2851c7cc170c Mon Sep 17 00:00:00 2001
From: Craig Jennings <c@cjennings.net>
Date: Sun, 18 Jan 2026 10:55:18 -0600
Subject: Add grub-zfs-snap for ZFS snapshot boot entries

Add ability to boot into ZFS snapshots directly from GRUB menu:
- grub-zfs-snap: generates GRUB submenu entries for recent snapshots
- 40_zfs_snapshots: GRUB generator script installed to /etc/grub.d/
- zz-grub-zfs-snap.hook: pacman hook for automatic GRUB regeneration

The GRUB menu automatically updates after kernel/ZFS package changes.
Up to 10 most recent snapshots appear in a "ZFS Snapshots" submenu.
---
 custom/40_zfs_snapshots | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 custom/40_zfs_snapshots

(limited to 'custom/40_zfs_snapshots')

diff --git a/custom/40_zfs_snapshots b/custom/40_zfs_snapshots
new file mode 100644
index 0000000..5215289
--- /dev/null
+++ b/custom/40_zfs_snapshots
@@ -0,0 +1,13 @@
+#!/bin/bash
+# /etc/grub.d/40_zfs_snapshots
+# GRUB configuration generator for ZFS snapshot boot entries
+#
+# This script is called by grub-mkconfig to generate menu entries
+# for booting into ZFS snapshots.
+
+set -e
+
+# Only run if grub-zfs-snap is installed
+if [[ -x /usr/local/bin/grub-zfs-snap ]]; then
+    /usr/local/bin/grub-zfs-snap --generate
+fi
-- 
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