commit cad2cd71b785c27789a55edc9a6450fc4503b01b
author Tonis Tiigi <tonistiigi@gmail.com> Thu Aug 15 17:40:33 2019 -0700
committer Tonis Tiigi <tonistiigi@gmail.com> Thu Aug 15 22:45:08 2019 -0700
tree b9acf2f9dfb208d41ac79ebdbed47d00d3424586
parent 96e086dc332d2532514d466605cdbfc5fbb042ce

builder-next: avoid double unmounting mountable

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
(cherry picked from commit 9ea2cf320ad2687a51aea1ed849f86f465cbc1d9)

builder/builder-next/adapters/snapshot/snapshot.go

diff --git a/builder/builder-next/adapters/snapshot/snapshot.go b/builder/builder-next/adapters/snapshot/snapshot.go
index 3a722e5..1e5402d 100644
--- a/builder/builder-next/adapters/snapshot/snapshot.go
+++ b/builder/builder-next/adapters/snapshot/snapshot.go
@@ -480,6 +480,9 @@
 	}
 
 	m.mounts = nil
+	defer func() {
+		m.release = nil
+	}()
 	return m.release()
 }