From 71336814fb0a459827ce3e47fa397ea51fab0590 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Sun, 16 Jun 2019 15:04:56 +0200
Subject: archbuild.in: umount -l left-over mounts inside the to-be-deleted
 chroot

---
 archbuild.in | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/archbuild.in b/archbuild.in
index 72d8005..a5eb9a0 100644
--- a/archbuild.in
+++ b/archbuild.in
@@ -77,6 +77,12 @@ if ${clean_first} || [[ ! -d "${chroots}/${repo}-${arch}" ]]; then
 		lock 9 "$copy.lock" "Locking chroot copy '%s'" "$copy"
 
 		subvolume_delete_recursive "${copy}"
+		find "${copy}" \
+			-mindepth 1 \
+			-type d \
+			-exec mountpoint -q {} \; \
+			-prune \
+			-exec umount -l {} \;
 		rm -rf --one-file-system "${copy}"
 	done
 	lock_close 9
-- 
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