From 088bf4a6302595d9462a68ea795121711a83212a Mon Sep 17 00:00:00 2001
From: James Bunton <jamesbunton@delx.net.au>
Date: Sun, 15 Nov 2020 21:52:02 +1100
Subject: [PATCH] lib-ext-backup: snapshot_convert_to_bookmarks

This is useful for Time Machine backups
---
 hacks/lib-ext-backup | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/hacks/lib-ext-backup b/hacks/lib-ext-backup
index bca5e44..c1d5d2e 100644
--- a/hacks/lib-ext-backup
+++ b/hacks/lib-ext-backup
@@ -101,6 +101,19 @@ function snapshot_cleanup {
         | xargs -rn1 zfs destroy -v
 }
 
+function snapshot_convert_to_bookmarks {
+    local fs
+    local snap
+
+    for fs in "$@"; do
+        for snap in $(zfs list -H -o name -t snapshot -r "$fs"); do
+            echo "> zfs bookmark $snap"
+            zfs bookmark "$snap" "${snap/@/#}"
+            zfs destroy "$snap"
+        done
+    done
+}
+
 function main {
     zfs get all -s local -H > /root/zfs-props.txt
     cryptsetup_open
-- 
2.39.2