From f02124b9e6c05a225b079347255c09c62a8ae158 Mon Sep 17 00:00:00 2001
From: AM-SoFT Support <support@am-soft.de>
Date: Sun, 30 Oct 2022 15:37:08 +0100
Subject: [PATCH] Improve support for snap paths starting with .btrfs/... in
 case of having some BTRFS volume mounted and named / only.

---
 btrfs-auto-snapshot | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/btrfs-auto-snapshot b/btrfs-auto-snapshot
index 74eb74e..cfc18db 100755
--- a/btrfs-auto-snapshot
+++ b/btrfs-auto-snapshot
@@ -570,8 +570,8 @@ btrfs_snaps_rm_if()
         # it's somewhat safe to remove based on conventions.
         snaps="$(btrfs subvolume list -g -o -s --sort=gen "${i}")"
         paths="$(echo "${snaps}" | sort -r -n -k 4 | awk '{print $NF}')"
-        paths="$(echo "${paths}" | sed     "\#/${DEF_SNAPS_DIR}/#!d")"
-        paths="$(echo "${paths}" | sed  -r "s!^.+/${DEF_SNAPS_DIR}/!${i}/${DEF_SNAPS_DIR}/!")"
+        paths="$(echo "${paths}" | sed  -r "\#/?${DEF_SNAPS_DIR}/#!d")"
+        paths="$(echo "${paths}" | sed  -r "s!^(.+/)?${DEF_SNAPS_DIR}/!${i}/${DEF_SNAPS_DIR}/!")"
         paths="$(echo "${paths}" | sed  -r "s!^//${DEF_SNAPS_DIR}/!/${DEF_SNAPS_DIR}/!")"
         paths="$(echo "${paths}" | sed  -r "\#/${DEF_SNAPS_DIR}/${snap_patt}#!d")"
         paths="$(echo "${paths}" | tail -n "+$((keep + 1))")"